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2004 Chevrolet Impala 3.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on
Posted to GM Driveability on 2/3/2010 10 Replies

hi guys 04 impala keeps setting maf code when this acts up i during warm up prosses found coolant and air temps read ok but when it acts up fuel trim goes to -41 and o2 goes rich but maf is reading accordingly this one has me stumped when it acts up idle jumps...

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  Related Documents & Media  2004 Chevrolet Impala

 
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car Vehicle Data

2004 Chevrolet Impala

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multi port
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, MIL Lamp On
OccursCold, Idle
Misc.3.8 Super Charged
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Impala

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multi port
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, MIL Lamp On
OccursCold, Idle
Misc.3.8 Super Charged