2004 Ford Taurus Idle Problem
Why won't my 2004 Ford Taurus 3. Measure the resistance of the solenoid in a Ford. Introduced in late 1985 for the 1986 model year, six generations were produced over 34 years; a brief hiatus was undertaken through 2006 to 2007. 2000 Ford Taurus with a rough idle and misfire. To identify a Ford motor, start by checking valve cover bolts on the top of the engine for Ford markings. It was originally designed to be the optional engine in the Ford Taurus and Mercury Sable. lifted the rug - just to find the under-padding is greenosh-black and there is a trail of leak. Anybody got any ideas of the problem? It is a 3. Find many great new & used options and get the best deals for 2004 Ford Taurus at the best online prices at eBay! The car did sit idle for about a year after it. not iac,any help-this seems to be a common problem. i have a 02 taurus 3. Fuse box located. My car won't turn on now unless I push a few times on the gas pedal and afterward it runs smoothly and all warning signs disappear (the engine attempts to start but sounds like a car without gas). If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our Order Status & Returns page. I purchased a used 2005 Ford Taurus several years ago. Research the 2004 Ford Taurus at cars. I also have strange idle problems were the idle drops to below 500 almost dies then jumps to above 1000 then goes back to a normal idle. after the idle drops. The Coil Pack Circuit Descriptions. Description of OBDII Drive Cycle The following procedure is designed to execute and complete the OBDII monitors and to clear the Ford P1000, I/M readiness code. It is causing me so much trouble, especially when I just intend to grab a quick meal fix from the convenience store and need to get going. 11 problems related to automatic transmission have been reported for the 2004 Ford Taurus. One of the most common problems is likely a rough running or poorly idling engine. i have a 02 taurus 3. To see how frequently Ford Taurus problems occur, check out our car reliability stats. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. When that happens chances are its a egr problem or an 02 problem. Ford Dealership check the engine/compression, etc. Engine Idle Sign in to 2004 Ford Taurus SEL; Engine I cleaned mine with throttle body cleaner and it fixed it's problem with a idle down and up problem. Most of the time it seems like the accessories are constantly falling off. Ford Taurus. Compare 2004 Ford Taurus Idler Pulley brands. Connect an Ohm meter to the two and measure the resistance between them. The worst complaints are transmission, electrical, and engine problems. We just replaced the fuel filter, and that's not it (but it did need to be replaced anyway, this car hasn't been properly serviced in at least four years). all tires at 3/4 tread. I purchased a used 2005 Ford Taurus several years ago. 0 Valve Clatter in Ford Explorer and Ranger Huge List of Maintenance Tips for the Ford Explorer Setting up Ford 8. Ford IAC valve replacement: Below are some pictures of the original idle air control valve from a 1998 ford crown victoria. After a while I noticed that the lights - interior & exterior, were flickering and that it kind of followed the change in idle. 2) after it starts, the engine cannot find an idle and can stall or rev up unex. In about last 6 months, one problem keeps happenning. View and Download Ford 2002 Taurus user manual online. Ford Taurus Idle Problems » this is images about ford taurus idle problems posted by Alice Ferreira in Ford category. In gear, with my foot on the brake, the idle would surge from 600-900, maybe a 2 second cycle. 5L AND MANUAL FORD: 1998-1999 TAURUS SHO. It might drop down to normal or just stay around 1500. By the way- my car has 245K highway miles and it is a 1998 Taurus LX. On top left here is the wiring diagram for 1968 Ford Mustang. My car won't turn on now unless I push a few times on the gas pedal and afterward it runs smoothly and all warning signs disappear (the engine attempts to start but sounds like a car without gas). View and Download Ford Taurus 2004 owner's manual online. Starting in early 2000's, many car makers including Ford started installing fly by wire electronic throttle bodies. My 2004 Ford Taurus accelerated on its own quite a few times. If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our Order Status & Returns page. The dealer who sold me the car said that it was delivered new to a car rental company in California, then later on sold to private owner. I purchased a used 2005 Ford Taurus several years ago. Ford taurus 2004. Please also check out the statistics and reliability analysis of the 2004 Ford Taurus based on all problems reported for the 2004 Taurus. Free 2-day shipping. Many of the consumers filed complaints with ford motor company, but ford refuses to admit that there is a defect in the parts, materials, or design. Ford Taurus Engine Problems. 2004 Ford Taurus will start, but will not stay running. I had that on my 2003 Taurus, it turned out to be the idle control valve. i have a 02 taurus 3. Order Idle Air Control Valve/Motor for your 2004 Ford Taurus and pick it up in store—make your purchase, find a store near you, and get directions. Other complaints on the 2005-2006 Ford Taurus/Mercury. Found that the gear/transmission handle was extremely hard to shift from park to drive and reverse. Car all of a sudden won't go in any gear - Gear level moves cable moves tranny fluid fine won't go in any gear like it's in nuetral. Choose top quality brands API, Forecast, Hitachi, Motorcraft, Replacement, Standard Motor Products, Walker. I also have strange idle problems were the idle drops to below 500 almost dies then jumps to above 1000 then goes back to a normal idle. SEPTEMBER 2016-- Ford Motor Company (Ford) is recalling certain model year 2013-2015 Ford Taurus, Ford Flex, Lincoln MKS and Lincoln MKT vehicles equipped with 3. Ford has agreed to fix sticky throttles on nearly 468,000 Ford Taurus and Mercury Sable sedans. I have a 2004 Ford Taurus and have a problem(s) with the instrument panel. After goggling the problem I saw that there had been a recall. Buy SCITOO Idle Air Control Valve Fuel Injection, idle Control Kits 4J1038 Compatible with 2002-2008 Ford Ranger, 2001-2007 Ford Taurus, 2001-2007 Mazda B3000, 2001-2005 Mercury Sable: Idle Air Control Valves - Amazon. Oct 13, 2015Rating. The 2004 Ford Taurus has 5 problems reported for stalls while driving. General Automotive Discussion - Taurus idle problem - I have a '97 Taurus 3. The parts and labor required for this service are. The idle air control, or IAC, is an electric valve which regulates the flow of air into the Ford Taurus' engine during idle. How do I fix a 2004 Ford Taurus that hesitates and surges when slowly accelerating I had this problem and this will solve it. My 2004 taurus was in an accident-while checking the ford website and reading previous recalls on the taurus model 2 or 3 recalls sounded very similar to the problem-brakes failed, there was a fire. By the way- my car has 245K highway miles and it is a 1998 Taurus LX. Purge valve problems. New 11/19/2004. 2004 · 1 Posts. After over 34-years of near-continuous production, Ford is no longer building the Taurus. Find the best used 2004 Ford Taurus near you. The Contact Owns A 2004 ford taurus. 2004 ford taurus ffv. Page 2 of 7: How to Test the Coil Pack (Ford 3. Online shopping from a great selection at Automotive Store. this has been problem since the day i purchased the car. If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our Order Status & Returns page. The vehicle was not taken to the dealer for a diagnostic test. Ford reserves the right to change product specifications, pricing and equipment at any time without incurring obligations. Search for the latest Ford Taurus technical service bulletins here. See your Ford or Lincoln Dealer for complete details and qualifications. Choose top quality brands API, Forecast, Hitachi, Motorcraft, Replacement, Standard Motor Products, Walker. 70605 stamped under it. It also started hesitates on acceleration. The Fix according to Ford. Typically, when you are just guessing, you fix the cheapest thing first. I've had both sizes of engines and both of them have plenty of power for normal driving. Ford Taurus Car is getting worse gas mileage Inspection costs between $80 and $90 on average. Ford Dealership check the engine/compression, etc. While checking the fuel pressure Alldata listed the pressure as 30-55 psi key on engine off and 26-45 psi engine on. What model year Taurus? 1991-2007 Tauruses with the 3. When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system). Find the best used 2004 Ford Taurus near you. Connect an Ohm meter to the two and measure the resistance between them. This device is responsible for maintaining a steady RPM by monitoring and adjusting the airflow within the engine. the car seems to run better. 0 dohc that surges during idle,worse with a/c on. A Nissan TSB for Nissan Maxima dated March 2004 mentions replacing an air/fuel sensor as a solution for the code P0171. Posted to Ford Driveability on 2/2/2009 8 Replies. I have been having problems with my Ford Taurus since the start of the spring season. IT has a new coil pack and new plugs. The vehicle was not repaired. Intermittent Stalling. That's all parts have been changed to my car. When You First Start It Up When The Engine Is Cool It Will Go To A Very High Idle And When It Starts Warming Up It Idles Down Some. Posted to Ford Driveability on 8/12/2011 5 Replies. After a while I noticed that the lights - interior & exterior, were flickering and that it kind of followed the change in idle. 0 when you start it up in the morning it'll misfire like something fierce. Ford Motor Company Driving Cycle. Sold this car to regular customer. A/X/Z Plan pricing, including A/X/Z Plan option pricing, is exclusively for eligible Ford Motor Company employees, friends and family members of eligible employees, and Ford Motor Company eligible partners. could someone tell me some tests I could do to eliminate some possible causes. Automobile Ford Taurus 2004 Owner's Manual 189 idle speed. Take it off and clean the off of it and make sure the pintle will open and close because it should be closed when the engine is at idle speed. 70605 stamped under it. You can also find other images like ford taurus shifting problems,ford taurus abs problems,ford taurus idle control,ford model t idle problems,ford taurus sensor problems,ford taurus electrical problems,honda cr-v idle problems,ford taurus transmission problems,ford taurus. 2004 Ford Taurus Idling Issues - Auto-Facts. … read more. With the 180 mount position, I disconnected the battery overnight and upon attempt to start it today, it will crank but not start, so it seems I need to check a fuel pump fuse and. Because of the company's decision, U. Oct 13, 2015Rating. We have 84 2004 Ford Taurus vehicles for sale that are reported accident free, 16 1-Owner cars, and 64 personal use cars. Ford Taurus owners have reported 29 problems related to engine stall (under the engine and engine cooling category). not iac,any help-this seems to be a common problem. Controls & Parts for 2004 Ford Taurus from the largest online selection at eBay. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse that has blown out. Now, it won't shift into any gear except neutral, no reverse, not first, nothing. Ford Motor Company OBDII Driving Cycle. How to do a Ford throttle body relearn procedure. FORD TAURUS 2004 problem was reported in BEDFORD HEIGHTS, OH. 5L GTDI Ecoboost engines and 2013-2015 Ford Taurus Police Interceptor vehicles. Get reliability information for the 2000 Ford Taurus from Consumer Reports, which combines extensive survey data and expert technical knowledge. Compare 2004 Ford Taurus Idler Pulley brands. 0 Liter Ohv Ford Taurus Ses 2004, When the Weather 3. 0 when you start it up in the morning it'll misfire like something fierce. The Contact Owns A 2004 ford taurus. Numbers 1 and 2 are for fuel or air metering problems, 3 is for ignition problems or engine misfire, 4 is for auxiliary emission controls, 5 relates to idle speed control problems, 6 is for computer or output circuit faults, and 7 and 8 relate to transmission problems. been having the same issues. The 2004 Ford Taurus has 5 problems reported for stalls while driving. I have a 2004 Ford Taurus (automatic transmission) which has sat idle for the last couple of years with some occaisional startings, but not driven. I have been having problems with my Ford Taurus since the start of the spring season. it surges real bad when driving at a constant pace. Ford Taurus Enthusiast Site car will start now and idle fine in park but once I put it in reverse or drive the rpms drop and the engine starts. The problem is with the egr putting the crud from the exhaust into the intake right next to the throttle body the throttle body gets all gounked up. 05 Ford Taurus , 3. I searched yahoo for "2004 ford taurus transmission problems" and discovered an overwhelming amount of consumer complaints involving the same manufacturer defect. If you're looking to upgrade or repair your Ford Taurus with a Idle Control Valve Auto Parts Warehouse is here for you. was created by jaguares6969 When in drive or neutral or reverse but at a standstill the rpms go up or down by a few hundred. … read more. Cleaning your throttle body and IAC for a smoother Idle. Starting in early 2000's, many car makers including Ford started installing fly by wire electronic throttle bodies. If the bolts are unmarked, look for an ID tag for manufacturer information. View our consumer ratings and reviews of the 2004 Taurus, and see what other people are saying about the vehicle in our. May 14th 2014 CBC NEWS Nova Scotia: " Ford truck's unintended acceleration unsafe"says Halifax man -'Halifax man says there's a "ghost" in the vehicle's electrical system'. The computer on a Ford Taurus regulates how much air comes into the engine via the throttle body. The problem was fixed in the 2004 models. o V6 with a strange idle problem. Engine Stalling Due to Failed Crankshaft and/or Camshaft Sensor The engine may stall when the engine is warmed up. 2004 · 1 Posts. Nothing else is on that fuse. But vehicle performance goes downhill if you have a faulty idle air control valve, which controls the air going into the engine, allowing your Taurus' computer to match it with the correct amount of fuel. During the road test the car developed a high idle and idle surge. That fixed my idle problem, my check engine light was still on - it was reporting o2 sensor problem, but it was really the idle control valve. However, things go as they are if I let my car sit for at least 30 minutes. I have a 1989 Ford Taurus GL with a 3. Ford has issued a service bulletin #10-21-6 to address a problem a low idle or fluctuating idle on the vehicles listed below. This applies to any vehicle. The dealership had my car for 5 days and could not find a problem. Connect an Ohm meter to the two and measure the resistance between them. Ford reserves the right to change product specifications, pricing and equipment at any time without incurring obligations. Customer returned and I found a va. It would not restart once I've already run it. Once the the car starts to reach operating temprature it starts to spit and sputter, as if is ready to stall. 2005 Taurus stalls at idle/low RPM I was able to put it into park and it fired right back up without a problem, but I'm having trouble identifying what may be the. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying. Compare 2004 Ford Taurus Idler Pulley brands. Also please check out the statistics and reliability analysis of Ford Taurus based on all problems reported for the Taurus. Engine Idle Sign in to 2004 Ford Taurus SEL; Engine I cleaned mine with throttle body cleaner and it fixed it's problem with a idle down and up problem. Check engine light is on. Find the best used 2004 Ford Taurus near you. Ran great, good economy. I've had both sizes of engines and both of them have plenty of power for normal driving. Another Ford TSB for a number of late 90-s Ford vehicles describes a problem with MAF sensor contamination where both codes, P0171 and P0174 would appear together. I have a Ford Taurus 3. vehicle is running e85 only. i slowed the car down to 45 then after about a mile it started to misfire. Introduced in late 1985 for the 1986 model year, six generations were produced over 34 years; a brief hiatus was undertaken through 2006 to 2007. There was no tag but on the front is the number 6-2228, on the side is a big 4 with 02395 under it. Replace the alternator. After a while I noticed that the lights - interior & exterior, were flickering and that it kind of followed the change in idle. Ran great, good economy. Once the the car starts to reach operating temprature it starts to spit and sputter, as if is ready to stall. Free shipping on orders over $50 always makes purchasing a little easier. The torque converter fails and causes internal damage to the rest of the transmission. This sounds very much like problems Im having. Restrictions apply. 2002 Ford Taurus. “Purchased Dec 2004 (new 2005) brake problem. Get the best deal for Motorcraft Fuel Inject. " The problem; I started noticing it at red lights or stop signs. Ford Taurus. Finally, money well spent. when going up a hill, or when you hit the gas hard, today 3/19/18 i drove it punched it down ran fine. 0 L Taurus at his shop. Many of the consumers filed complaints with ford motor company, but ford refuses to admit that there is a defect in the parts, materials, or design. We just replaced the fuel filter, and that's not it (but it did need to be replaced anyway, this car hasn't been properly serviced in at least four years). Below is a list of complaints & problems filed against the 2004 FORD TAURUS. com … com Guide to Auto Repair: Ford Taurus Has An Erratic Idle idle will remain high. com 2002 FORD TAURUS Technical Service Bulletins 12-27-2004 Component: 110000. The 2004 Ford Taurus has 636 problems & defects reported by Taurus owners. 49 problems related to speed control cable have been reported for the 2004 Ford Taurus. However, things go as they are if I let my car sit for at least 30 minutes. I just purchased it on April 7th with 52193 miles on it, and it started out with problems. After a while I noticed that the lights - interior & exterior, were flickering and that it kind of followed the change in idle. Engine mechanical problem 1998 ford taurus 6 cyl two … Ford Taurus Has An Erratic Idle, Stalls - About. It is causing me so much trouble, especially when I just intend to grab a quick meal fix from the convenience store and need to get going. Vehicle Speed Control Problem on the 2004 FORD TAURUS. We cleaned the throttle body, no dice there. The stalling typically occurs while decelerating at speeds below 40 miles per hour. 0L OHV VIN "U" it has a sharp surge while driving, from idle through the power band. When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system). Engine mechanical problem 1998 ford taurus 6 cyl two … Ford Taurus Has An Erratic Idle, Stalls - About. Ford Taurus owners have reported 29 problems related to engine stall (under the engine and engine cooling category). RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Locate the idle control motor in your Ford vehicle and identify the two electrical pins on the solenoid. Get reliability information for the 2010 Ford Taurus from Consumer Reports, which combines extensive survey data and expert technical knowledge. com FREE DELIVERY possible on eligible purchases. Once the the car starts to reach operating temprature it starts to spit and sputter, as if is ready to stall. You can also check out the following Ford vehicles, recommended based on your interest in the Taurus. How do I fix a 2004 Ford Taurus that hesitates and surges when slowly accelerating I had this problem and this will solve it. all tires at 3/4 tread. General Automotive Discussion - Taurus idle problem - I have a '97 Taurus 3. See your Ford or Lincoln Dealer for complete details and qualifications. A check engine light can indicate a broad spectrum of problems with your 2004 Ford Taurus. VEHICLE SPEED: 50 mph. I have a 2004 Ford Taurus (automatic transmission) which has sat idle for the last couple of years with some occaisional startings, but not driven. 2005 Taurus stalls at idle/low RPM I was able to put it into park and it fired right back up without a problem, but I'm having trouble identifying what may be the. Oct 13, 2015Rating. Did you manage to solve the problem? I also have a 2003 Ford Focus (Ford calls it the IAC valve, stands for idle air control. Technical Service Bulletins (TSBs) are recommended steps and procedures for repairing vehicles. Swapped it out in about 5 minutes - costs about $40. Ford taurus oil dipstick problem; 1996 taurus gt misfire; Idle Tracking Switch; Which CV joint is the right one; Popping noise at idle coming from air box. Re: 2004 Taurus problems, WTF Ford? October 29th, 2012, 12:33 am One of the reasons it was done is , probably, because people never open the hoods on their cars and if the ac stopped working, few would notice and just keep on driving. 0 L Taurus at his shop. Ranger & B-Series - Everyone with High Idle Please Read!! - I came across this TSB while searching for more information on the Ranger High Idle Problem. I was warned about bad transmissions in Ford Taurus, but I bought this car anyway, as the transmission worked perfectly during test drive. The vehicle was not repaired. 0L idle? Sounds like the EGR valve is stuck in the open position. just about. I called Ford & was told my car wasn't included in the recall. Help with 2004 Ford Taurus "Low oil level/low oil pressure" My other engine/oil lights don't turn on and this only happens at the start of the car. I have a 2001 Ford Taurus which when I start it up in the morning stumbles and idles rough until it warms up and then it runs great. o V6 with a strange idle problem. Is this a bad problem with my transmission, or could the speed sensor be causing this? Problem seems to be worse the warmer the car is. If there is a vacuum leak, air is entering the engine through another source, which will cause the car to idle at a higher RPM than normal. If the bolts are unmarked, look for an ID tag for manufacturer information. I recently replaced the IAC and a few days ago my idle issues started. Since replacing the IAC all shift problems and idle problems have vanished. High or Surging Idle Problem / Dying at Low RPM. fordproblem November 7, 2014 0 Comments If you are driving a 2004 Ford TAURUS , or if you are planning to purchase one, then it is important that you review reported Vehicle Speed Control problems and defects. Edmunds has a detailed expert review of the 2004 Ford Taurus SEL. We cleaned the throttle body, no dice there. Ford Taurus. The torque converter fails and causes internal damage to the rest of the transmission. Customer complaint was originally misdiagnosed and an IAC valve was replaced. 0 when you start it up in the morning it'll misfire like something fierce. Nothing else is on that fuse. Driving in city street at 30 mph, the car all by itself suddenly started to accelerate (with my foot off the gas pedal) at speeds in excess of 75 mph. 1) the car takes two or more attempts to start the engine after sitting for 6+ hours ("cold" engine). Ford Taurus Enthusiast Site car will start now and idle fine in park but once I put it in reverse or drive the rpms drop and the engine starts. for the less informed, the Mercury Sable and Ford Taurus were essentially the same car, with a couple of different lights and, of course, a different name. "Purchased Dec 2004 (new 2005) brake problem. When the mass air flow sensor on your Ford car (pick up, van, mini-van or SUV) starts to get dirty, the dirt (technically called: contamination) starts to interfere with the way the MAF sensor measures the incoming air. That fixed my idle problem, my check engine light was still on - it was reporting o2 sensor problem, but it was really the idle control valve. Found that the gear/transmission handle was extremely hard to shift from park to drive and reverse. Since replacing the IAC all shift problems and idle problems have vanished. Connect an Ohm meter to the two and measure the resistance between them. just about. Below is a list of complaints & problems filed against the 2004 FORD TAURUS. Compare 2004 Ford Taurus Idler Pulley brands. Engine Stalling Due to Failed Crankshaft and/or Camshaft Sensor The engine may stall when the engine is warmed up. How to do a Ford throttle body relearn procedure. Ran great, good economy. Also please check out the statistics and reliability analysis of Ford Taurus based on all problems reported for the Taurus. 92 Taurus tranny issue; Check brake system message; airbag system; Sway Bar Advice; fuel pump Problems, 2001 ford taurus 3. I recently replaced the IAC and a few days ago my idle issues started. The torque converter fails and causes internal damage to the rest of the transmission. Because of the company's decision, U. Introduced in late 1985 for the 1986 model year, six generations were produced over 34 years; a brief hiatus was undertaken through 2006 to 2007. Restrictions apply. High idle by: Anonymous I have had 2 shops smoke test and many cans of starter fluid and replaced all gaskets and pcv valve hose new air box mass air flow sensor and iac and tps. “Purchased Dec 2004 (new 2005) brake problem. 0L idle? Sounds like the EGR valve is stuck in the open position. This applies to any vehicle. Ford Taurus Car is getting worse gas mileage Inspection costs between $80 and $90 on average. The 2004 Ford Taurus is reliable and makes me feel safe driving my boys around. We cleaned the throttle body, no dice there. Compare 2004 Ford Taurus Idle Air Parts brands. Ford has agreed to fix sticky throttles on nearly 468,000 Ford Taurus and Mercury Sable sedans. After goggling the problem I saw that there had been a recall. A/X/Z Plan pricing, including A/X/Z Plan option pricing, is exclusively for eligible Ford Motor Company employees, friends and family members of eligible employees, and Ford Motor Company eligible partners. 0 v6 ford taurus that will not idle. It also started hesitates on acceleration. The most recently reported issues are listed below. Edmunds has a detailed expert review of the 2004 Ford Taurus SE. 0L OHV VIN "U" it has a sharp surge while driving, from idle through the power band. I was warned about bad transmissions in Ford Taurus, but I bought this car anyway, as the transmission worked perfectly during test drive. In 1992, it became the standard engine for the Taurus, and was. however i wanted to ask you if yours is maybe doing some other things mine is. 0 liter ohv ford taurus ses 2004, when the weather changes from summer 1998 Ford Taurus High Idle. I also noted a slight burning smell rubber. If the crankshaft position sensor is having a problem, the vehicle may have intermittent starting issues or not start at all. this has been problem since the day i purchased the car. 0L Duratec Vin "S". The 2004 Ford Taurus has 636 problems & defects reported by Taurus owners. With the 180 mount position, I disconnected the battery overnight and upon attempt to start it today, it will crank but not start, so it seems I need to check a fuel pump fuse and. The idle air control, or IAC, is an electric valve which regulates the flow of air into the Ford Taurus' engine during idle. I purchased a used 2005 Ford Taurus several years ago. 2004 Ford TAURUS Vehicle Speed Control problems & defects. CarComplaints.