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well I have my car running great and the problem turned out to be clogged fuel injectors and alot of crud in the tank.
I filled up, drove around for 100 miles and filled it back up to get my mileage and it took 6 gallons of gas, thats 16.6 MPG, not good at all.
I am getting my "check engine light" every once in a while but it never stays on for more than a few seconds.
My O2 sensor is new so I know thats not the problem.
Any idea where to start? Coolant temp sensor maybe?
simple. how about all the recomended maintenance for the car. did u do all that?Quote:
Originally Posted by MaineGSX
Yeah, new plugs, wires, filter, pcv, fuel pump, fuel filter, cleaned gas tank, O2 sensor, clenaed injectors, changed oil, coolant system flush....
Could be possibly EGR related. You could replace the EGR valve..or just eliminate with a $14 blockoff plate. It could be a failing MAF sensor..but I haven't had one go bad on me or known anyone that has to be the cause of it. I am assuming it because the MAF sends signals to the ECU to help determine air/fuel mixture.