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International Automotive Technicians Network
2002 Chevrolet Impala 3.8L Poor Idle Quality
Posted to GM Driveability on 7/28/2013 32 Replies

Wow do I need help with this one. IATN knowledge base has been great over the years, but nothing in there on this nightmare.

Used engine installed, ran fine, had slight knock. Got another engine, installed, very noticeable vibration at idle, vibration slight ...

32 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Impala

VIN 2G1WF55K52
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0463Fuel Level Sensor Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Impala

VIN 2G1WF55K52
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0463Fuel Level Sensor Circuit High Voltage