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International Automotive Technicians Network
2005 Chevrolet Impala 3.8L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 2/7/2011 6 Replies

hey fellow techs, Got this brain teaser here. car came in with customer complaining of poor idle quality. Excellerates fine but at idle vehicle misfires from random [...] at idle jumps between 17.5 to 16 psi. Misfire tends to be random but when i look at misfi...

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  Related Documents & Media  2005 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Impala

VIN 2G1WH52K85
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Impala

VIN 2G1WH52K85
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected