Car stutters up hills and the engine cuts off when stopped

Asked by mason01 May 13, 2013 at 12:08 AM about the 2002 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

The code indicates that it is a MAF problem but I just bought a new MAF sensor

operator_13 answered 10 years ago

any problems with your EGR? these are switched off or on based partially on the instructions from the MAF, so take a look at it's function, if it's clobbered up with carbon deposits and has free travel...clean off the carbon with some brake cleaner, put it back together and assemble it back into place~

Mark helpful

345

Brandon answered 10 years ago

it might not be the sensor. sounds really dumb but i had this happen to me. there was a small hole in the part the maf connects to and it was sending all kinds of weird signals and i was doing the same thing just it was everywhere and not just up hills.

Mark helpful

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Car stutters up hills and the engine cuts off when stopped

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