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2007 Chevrolet Impala LT 3.5L Poor Idle Quality, Stall, Misfire
Posted to GM Driveability on 2/20/2012 5 Replies

came in with 2 wk history of increasing difficulty just at startup. verfied fuel volume and quality, spark, wires, plugs, no vacuum leaks. On cold startup only, and lasting no more than 5 seconds sometimes less. Car will behave like wet plugs, a misfire that c...

FIX posted 4/3/2012

5 Replies Received (View Replies)

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car Vehicle Data

2007 Chevrolet Impala LT

VIN 2G1WT58K67
Engine3.5 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire
OccursCold