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02-12-2015
2001 grand prix gtp 3800 II supercharged. i just replaced my LIM gastket and the upper plenium. Ive checked all my vacuum lines and did vacuum leak tests but cant figure out why my car is idling so rough. it throws a code for vacuum volume i believe and i noticed that there were black specks in the snow outside of garage when i run it which i am assuming is oil. checked my oil and it was 3 quarts low. please help!
02-12-2015
you replaced the supercharger? cause that's the upper plenum
Check the pcv
02-12-2015
well they call the gasket the plenium. so id have to pull the super charger again wont I?
02-12-2015
Not to check the pcv
02-12-2015
also.. please post the actual code and it's definition
02-12-2015
P0101
Mass or Volume Air Flow Circuit Range/Performance Problem
02-12-2015
i had a vacuum line that disconnected on my way back from a 25 mile trip which broke when i was working on it. i just drove it home and its sat there ever since if that matters at all.
02-12-2015
Unplug your maf..then start the car
02-12-2015
okay ill do that in a second. but might sound noobish but i have my pcv infront of me now. how do you tell if its bad or not?
02-12-2015
ive checked the pcv and its good. ive cleaned the MAF could it just be that the MAF is bad?
02-15-2015
If it runs better with the MAF unplugged then its bad. Try a junkyard for a cheap one. They usually run about 25 bucks
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