Dont let trouble code p0171 or p0174 leave you without your ride and. Learn about this problem, why it occurs, and how to fix it. If the p0171 is combined with the p0174 code, its very likely that the problem is caused by an intake leak. Ford renamed the windstar freestar, and also introduced a mercury version of the minivan, the monterey. Ford windstar questions p0171, p0174 check engine codes. A ford p0171 is a lean code fpr cylinder bank 1, and p0174 is a lean code for cylinder bank 2. Ford windstar fixing po171 and po174 car forums at.
Only recently february 2009 did i realize the similarities between the windstar s p0171 p0174 and the v6 f150s p0171 p0174. Ford windstar p0171 p0174 upper intake manifold gasket. P0171 code, low power, hesitation during acceleration ford 1998 windstar question. Dtc p0174 definition, category, faulty system and component. The vehicle has no drivability concerns and was hard to diagnosis.
Ford windstar lean code p0171 or p0174 denlors auto blog. Windstar with codes p0171 and p0174 windstar car forums automotive forums. It is important to complete the entire diagnostic process when diagnosing p0171. Reprogram the pcm powertrain control module with the latest calibration, wds b26. These codes commonly occur on many ford vehicles, and are set when the powertrain control module pcm sees the airfuel mixture is running too lean too much air, not enough fuel. For the p0171 and p0174 lean codes you need a high end scan tool to watch the fuel trim. P0171 fuel trim system lean bank 1 p0171 ford obdii trouble codedescription. Some times i get erritic idling but other than that it runs. Ford windstar vacuum leaks from intake area causing lean condition 9 reports. About 23 weeks later, check engine light came on, coded p0171 p0174. P153738 are the intake manifold runner controls are stuck open. Automatic transmission problems of the 2003 ford windstar.
Please also check out the statistics and reliability analysis of the 2003 ford windstar based on all problems reported for the 2003 windstar. These codes are set by the cars computer when it sees too much oxygen in the exhaust. The infamous p0171 and p0174 codes troubleshooting ford. P0171 2003 ford windstar fuel injection system too lean. To solve my problem p0171 the manual references technical service.
Ford windstar p0174 diagnosis and meaning drivetrain. Learn what does p0171 ford fuel injection system too lean bank 1 means, location and how to repair. The code is often accompanied by the p0171 code, which has the same set of symptoms, but is for bank one p0174. My van will idle highin gear at a stop can be close to 1700 rpm. You may want to check a service manual for your specific model, but the regulator is most likely on the fi fuel injector rail. Where to download 2003 ford windstar owners manual 2003 ford windstar owners manual fuse box location and diagrams. P0171, p0174 check engine codes possible electrical problem.
Diagnosing trouble codes p0171 and p0174 axleaddict. Example of cracks in an air intake boot causing p0171 and p0174 codes. Purpose is to connect the engine and transmission together. Install a new lh valve cover if required, refer to workshop manual section 30301 valve coverlh. For any other codes, follow the normal diagnostic procedures found in the pced manual. I have a ford windstar sel, 1999, with around 64k mikes. Perform self test, if codes p0171, p0174 are the only codes stored in. Perform self test, if codes p0171, p0174 are the only codes stored in the pcm then continue with this article. This engine is known for vacuum leaks, so before you start throwing oxygen sensors at the problem, it pays to perform some diagnostics. I checked over the filter housing and discovered vacuum hose not attached.
Since my truck threw the p0174 code in august 2008, i have searched the ends of the internet for a fix. The p0171 is bank one of the engine is running lean,usually caused by a vacuum leak, p0420 is catalytic converter efficiency code. The tcm transmission control module is setting incorrect gear ration codes which means the transmission is slipping usually. Above it says that it is regarding both p0171 and p0174 19992001 only. A manual is connected to the clutch by a flywheel and automatic by a. One of the most common trouble codes with the ford windstar is the p0174 code. Symptoms sumptoms of obd code p0171 you will more than likely not notice any. My 2003 ford windstar is showing a p0171 and p0174 codes. This 2003 ford windstar came in with the service engine soon light on. Theres all kinds of threads out here for the p0171 p0174, and the tsb requiring replacement of. Check engine light on again 23 weeks later, same code.
P0171, p0174 i have read and heard from numerous sources that this has nothing to do with pcm, maf, or o2 sensors. A p0171 lean code for bank 1 is the cylinder bank on the right passenger side of the engine on ford vehicles with a v6 or v8 engine and rearwheel drive. I replaced the air filter on 02 ford windstar, in november. The auto repair labor rates vary by location, your vehicles make and model, and even your engine type. P0174 2003 ford windstar fuel injection system too lean. My 2003 ford windstar is s howing a p0171 and p0174 codes.
Ford windstar p0171 p0174 upper intake manifold gasket replacement by fordtechmakuloco. All of these p11 p1151 p0171 p0174 codes indicate a problem with a lean condition. This code number references a number that is given to you when you plug your truck into a obdii scanner. In addition to p0174, i am receiving p1518 imrc stuck open. If a car has a check engine light on and has p0171 and p0174 codes stored, the most likely cause is a vacuum leak. We had a 2006 ford freestyle come in with fault codes p0171 and p0174. Reprogram the pcm powertrain control module with the latest.
What does the codes p0171 and p0174 mean when your engine light is on on my 2003 ford windstar. Mass air flow sensor testing,p0171p0174 system lean. View and download ford windstar 2003 workshop manual online. The most recently reported issues are listed below. Automatic transaxle transmission 2003 windstar workshop manual removal procedure revision date. I have 2003 escalade esv that had p0171 and p0174, but the light automatically turned off after a few miles. The auto repair labor rates vary widely across the country, and even within the same city. Cost of diagnosing the p0174 2003 ford windstar code. Mass air flow sensor testing,p0171p0174 system lean mdh. Ford expedition lean codes could caused by a leaky pcv hose.
Sparkys answers 2003 ford windstar p0171 and p0174. My 2002 winstar has the same two faults p0171, p0174. The computer monitors the switch rate of the front 02 sensors and compares it. Ford code p0171 severity moderate it is okay to drive your ford with p0171 for a short period of time, but driving with this code for an extended period of time can overheat the engine and cause internal engine damage.
What causes trouble code p0171 on a 2003 ford ranger 4. Excessive oxygen readings in the exhaust will set lean codes. Windstar with codes p0171 and p0174 car forums and. I checked for vacuum leaks and none were found so i moved on to the mass air flow sensor. Start the engine and run at idle with all accessories off gear lever in neutralpark. Ford windstar radio removal 1994 to 2003 here is a fast easy way to remove a radio from a ford windstar 9303. Dorman kit for p0171 p0174 tsb valve cover and isolator bolts. Ford windstar p0171 p0174 upper intake manifold gasket replacement. Cost of diagnosing the p0171 2003 ford windstar code.
Checking code revealed codes p0171 and p0174, banks 1 and 2 lean. This dtc is very similar to p0174, and in fact your vehicle may show both codes at the same time. Ford windstar p0171 p0174 upper intake manifold gasket replacement the absolute best intake seal kit. The check engine light may illuminate with fault code p0171 andor p0174 stored. I went to a local shop that is ranked highest in our area. The infamous p0171 and p0174 codes troubleshooting the same codes show up. Ford windstar p0171 p0174 upper intake manifold gasket replacement the absolute best intake seal kit to fix this issuecheck fitment guide. The check engine light may illuminate with fault code p0171 andor p0174 stored, indicating a lean fuel mixture.
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