rumble

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Location
Houston
#1
my car is running like crap. it rumbles really bad at idle and during acceleration. the RPMs also fluctuate going high as ~1.5k and as low as ~500. what can be causing this?
 
Messages
4,917
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18
Location
Reading,PA
#2
Could be one of several thngs. Is the check engine light on at all? If not, a vacuum leak, bad gas, dirty injectors, or maybe the MAF (Mass Air Flow) sensor.
 


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