Check engine light comes and goes, noticed it was running a bit rich sometimes. seems to run fine most of the time. fuel consumption seems to be quite bad. cheers
Check the reason for the engine light coming on as it is serious and not to be ignored. Run fault codes.
SOURCE: misfire codes
I have a similar problem, engine management shows code P0327, knock sensor 1 dont know what that is.
SOURCE: Hey. Over the past few
Most common problem with intermittent check engine light on these type of vehicle is 02 Oxygen sensors especially when it goes on and off. one a few occasions I've seen the need for a tune-up bad spark plugs wires/air filter etc. Best thing to do is to get it check by a some scan tool with odb 2. You can go to Auto-zone they do this check for free. Godd Luck
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: at oil temp light flashes
sending unit may be faulty replace with new unit also check for a loose ground and or alternator belt
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