Questions & Answers for: check engine light 2004 ford

...check engine light is not on. I looked under the hood and the sound seems to be coming from the serpentine belt. The noise does seem to disapate when I accelerate, it is most loud at an idle. Any ...

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...check engine light is on. I took it for a tune up and they replaced the gasket to the manifold but it did not correct the problem. What else could it be? PLEASE HELP! check the EGR valve and all the ...

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check/service engine light. They will go off when the computer senses a fault such as bad sensor or bad electrical circuit. Most part stores will test the car by running an engine code diagnostic scan

...check engine light came on 2004 ford taurus had a friend the plugged one of those code readers in got two codes po 174 and po 171 what do they mean P174 means Oxygen sensor was slow in switching ...

...engine malfunction light will come on if there is a fault with the emissions if it runs ok and isn't misfiring it's probably a oxygen sensor fault or a catalyst fault. The light won't go out unless ...

Question about 2004 Taurus

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...CHECK ENGINE LIGHT WILL STAY ON.UNTIL YOU FIX PROBLEM. You can try disconnecting the battery for 30 minutes but more than likely this will not work. In almost all cases on OBD2 compliant vehicles you ...

for 100 miles for the system to reset. The check engine light went off, but I'm still showin 6 cylinder DOHC Taurus SES What does it say for that code? What sensor was replaced? Still showing what

check engine light came on. Car seems to heat up ever since replaced AC. What could be the problem? My 2004 Ford Taurus had a shot AC Compressor and i replaced it and now, ever since i got it replaced

...engine light is on in a ford taurus 2004 and when u turn on the car you hear a knocking sound could that be a broke spark plug No --it will be something else. Run the fault codes to determine why the ...

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