Just replaced the MAF 3000 miles ago and the check engine lights back on. Does running 87 octane gas have a negative impact on the engine? BTW, I don't have the engine code yet.
Thanks
01 Max - Check Engine Light/ 87 octane
May 17, 2006
5 Replies
It's not doing it any good, but running 87 won't turn on the CEL.
Check the codes (yourself, Autozone, etc.). and report back with your findings... the ECU has detected and stored a problem code - it should help identify/diagnose the problem.
Any driveability issues/symptoms?
Cheers, Nirav
The car is driving fine. How can I check the engine code myself?
Thanks,
John
With an OBD-II code reader - or you can go to autozone and they will retrieve the codes for you for free (except in CA).
Nirav
Before running 87 octane, compare fuel consumption between premium and regular gas. There is a good chance that you're not saving much by running 87, since your fuel consumption is up (that was the case with my maxima). Also, in the long term, 87 can have a negative impact on your engine.
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