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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
04-22-2009, 06:25 PM
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98 cavalier
i have a 98 cavalier z24 2.4 engine. if i give it gas it chugs but if i feather the gas its ok. i tested the coil packs and ingnition control module, thats good. i changed the plugs (acdelco platiniums), plug wires and ignition coil cover. i also did a couple test with the egr, tps, and it showed no signs of it being that. i have done everthing to eliminate a spark issue and checked for vacuum leaks. could it possibly be a feul filter or injector?
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#2
04-22-2009, 07:35 PM
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Re: 98 cavalier
check the map sensor and the hose going to it. it is very common for the hose to deteriorate and crack which causes a vacuum leak and an incorrect reading at the pcm.
__________________
'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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