SOURCE: check engine light
It could be a few different things but most likely it is the Oxygen Sensor (O2 Sensor) The only way to really know is to go to your local autoparts store and use there loaner On board diagnostics tool...there is a plug in somewhere under the drivers side dash...turn the OBD reader on after is is pluged in and then it will instruct you to turn the vehicle on...after a few min, it will produce a "trouble code" Look in a Haynes repair manual and match the code to your code and it will reveal the problem...replace the faulty part and the check engine light should go away.
SOURCE: 2004 subaru forester, 99,000 miles. Check engine
Drop in to an Autozone, or Pep Boys, or similar big parts store & they will usually scan for codes free. This will hopefully eliminate all the guess work, or at least point everyone in right direction for better diagnosis. If not obvious from codes what the problem is, get back to us and we'll help you out.
Testimonial: "Thanks for the great suggestion . I'll have Autozone read the codes on Monday. Thanks again!"
SOURCE: 2004 GMC 2500, 6lt. V8. Reduced Engine Power Keeps
Have the codes checked first and go from there.
SOURCE: Check engine light on, code P2761
P2761=Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open
SOURCE: 6.5 litre diesel engine, blowing lots of black
my 1995, 6.5 diesel turbo just shuts off when running
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