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04PONTIACGA · 07-12-2013, 08:54 PM

First thing, how did your mechanic determine it was the MAF, DTC's or just a guess?

May sound strange but try unplugging your abs module(drivers side above splash shield), this can cause this, as strange as it does sound. It does sound like something else is going on too though, make sure to check the wiring in the MAF plug. The signal wire in mine was broken inside the insulation causing similar symptoms and be sure to check for weak spots in the wiring.

I wouldn't think it's your CAT because they usually cause random no fires, but may still be likely. I don't think it's your torque converter either, I would think it would be more related the lock up solenoid, but it should only cause surging problems and no miss fires.

To me honestly it sounds like more than one thing is going on, hope you figure it out though, good luck.

07-12-2013, 08:54 PM	#10
04PONTIACGA GL Member Join Date: Dec 2012 Location: Illinois Posts: 276	First thing, how did your mechanic determine it was the MAF, DTC's or just a guess? May sound strange but try unplugging your abs module(drivers side above splash shield), this can cause this, as strange as it does sound. It does sound like something else is going on too though, make sure to check the wiring in the MAF plug. The signal wire in mine was broken inside the insulation causing similar symptoms and be sure to check for weak spots in the wiring. I wouldn't think it's your CAT because they usually cause random no fires, but may still be likely. I don't think it's your torque converter either, I would think it would be more related the lock up solenoid, but it should only cause surging problems and no miss fires. To me honestly it sounds like more than one thing is going on, hope you figure it out though, good luck. Last edited by 04PONTIACGA : 07-12-2013 at 08:57 PM.