Question about 2001 Ford Explorer Sport

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01 ford eplorer sport start but stalls un till warmed up did code check it came up with po172 and po174 could the 02 censors cause this

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My 2001 did the same thing,same codes and all, after replacing $300 worth of parts, i replaced the iac valve even though it tested as good. problem fixed! i'd start with the iac valve. hope this saves someone some money.

Posted on Dec 12, 2012

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Posted on Jan 02, 2017

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SOURCE: 2003 ford eplorer sports trac

Your vehicle is fitted with an engine management system this is there to recognise any fault that accurse with in the engine or electric’s. As components start to wear or electric fitting become dry or corroded or filters become blocked. the management system will pick up on them. The fact that the light is only intermittent is usually a sign that a complete failure is imminent. This cold be something as simple as blocked air filter, by having a service with air and oil filter renewed should eliminate the problem.
As for the ABS light coming on this is an indication that one or more of your wheel sensors is failing. a wheel sensor is there to read the speed of each wheel so that if one or more wheels is going faster than the others say like in a skid then the anti lock breaking system will activate. The cost to have a wheel sensor replaced is around £260. Hope this helps,

Posted on Sep 27, 2008

Pops65Pony
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SOURCE: 2002 6 cylinder 3.o engine Ford Ranger. Cold start

Changed the air filter lately? Possibly defective O2 sensors, but I doubt it. If air filter and intake are clear, I'd check barometric pressure sensor and mass air flow sensors. Get a Haynes or Chilton's for $25 at Pep Boys for instructions on testing these componenets

Posted on Oct 14, 2009

  • 1 Answer

SOURCE: 01 ford explorer sport trac rear timing chain diagram

They will not loan you the tools.....how else will they continue to rip off the average garage junkie and make lots of money?

Posted on Nov 18, 2009

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SOURCE: 1996 Ford Explorer XLT V6 - will start but stalls after 5 mins.

This can be cause by many things, such as a fuel pump going bad / or is bad, fuel injectors need cleaned / replaced, fuel filter dirty just to name a few. Could also have a vapor lock where the fuel line is running to close to a heat source like the manifold or engine and the heat creates a vacum in the fuel line stopping the flow of fuel. Best bet have a garage repair shop look at it. To many hit and miss causes.

Posted on Mar 11, 2010

  • 10 Answers

SOURCE: What is code 171 and 174 on a 01 Ford Sport Trac

171 is system too lean (bank 1)
174 is system too lean (bank 2)
you might have a vacuum leak or bad injector o rings

Posted on Oct 09, 2010

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My 2004 3800 series pontiac bonneville will start up fine and idle fine but seems like when it gets warm it shuts off?


P0172 is a rich condition > I dough it would cause it to shut off after it warms up . If real rich , it would cause a no start at all . Fouled spark plugs , you can pull the spark plugs to see if they are black or wet with fuel . Starting and running till warm then shutting off is a classic sign of an electronic component starting to fail . Does it start right back up or do you need to wait till it cools down ? If it doesn't start right back up , pull the two plug wires off the same coil and have someone crank it over . Is there spark ? If not , probably ICM - ignition control module is bad . There are videos on youtube on how to test GM DIS ignition systems . (distributor less ignition systems )

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I have an 01 Ford ranger just changed the plugs and wires and checked the fuil pressure and it's good but my truck will cut off and want crank back until i spray either into the throttle body


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Nov 27, 2015 | Ford Cars & Trucks

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Code po172, po156


Have you had the O2 sensors checked ? Code 172 is for a rich signal from bank one sensor one and code 156 is for a problem with bank two sensor two which is after the catalytic converter.
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2003 spacewagon wont idle when engine is cold


It can be issue with IAC( idle air control valve) causing the problem.


There are many other possibilities causing these idle issues. Engine idles rough.

There are few help links with solutions to troubleshoot such idle issues.

I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

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http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

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Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

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Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

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Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

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GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

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http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

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http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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These details will help.

Thanks.

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1 Answer

1998 crown vic Im having random misfires code po300 on cold starts it idle high then low and will stall unless i rev engine till it warms up


Now you go to a repair shop, and have it diagnosed

You have other codes for the coils,forget the PO300

You will need someone good with ford ignition issues,
to resolve the misfires, and possible do some other
preventative maintenance work,as the stalling is
another problem

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1 Answer

1997 ford explorer stalls at red lights or at stop signs only after engine warms up


check for air in the fuel lines going to the rail. replace part of the fuel line with clear plastic hose for testing only, any bubbles in the fuel will cause your problem

Apr 13, 2010 | 2004 Ford Explorer Sport Trac

1 Answer

My chevy lumina starts but once it warms up it dies and wont start changed coils and module what else could it be?


you probably have a faulty temperature censor. if the car stalls when its hot and acts like its running out of gas than its the temp censor. what this censor does is it will tell the main computer what to make the air fuel mixture and if its telling the computer (ECM) that the car is too rich than it will lean the air fuel mixture so far that it will cause the car to stall.

Jan 10, 2010 | 1992 Chevrolet Lumina

1 Answer

P2195 CODE ON 2003 FORD EXPLORER SPORT TRAC 4.O SOHC. I CHANGED OUT ALL THREE OXYGEN SENSORS, AS ADVISED, AND STILL COMING UP WITH P0171, P0174, AND NOW P2195. HAVE ALSO CHECKED ELECTRICAL CONNECTIONS,...


Hello,
Very common concern with the Explorer, Explorer Sport Trac and Ranger with the 4.0l SOHC engine! The upper and lower intake manifold gaskets fail, causing vacuum leaks..It can be Extremely difficult to detect these leaks, because they only leak intermittently (usually in the AM after a cold soak)... As the engine warms up they seal back up! Sometimes the vehicle will idle rough, surge or stall after initial start up, then the symptoms will clear after it gets to operating temperature... Usually there will be no driveability symptoms at all, except the engine light coming on and setting lean codes.. The gaskets have been redesigned to correct this concern..


Bill Andrade Ford Master Technician/ASE Master Technician

Sep 22, 2009 | 2003 Ford Explorer Sport Trac

2 Answers

Cold start up


You have to check the computer for fault codes; the problem is likely caused by a faulty sensor. Take the car to autozone, they'll check the codes for free

Sep 20, 2009 | 2003 Ford Focus

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