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2001 Chevrolet Impala 3.8L Misfire, no power spark knock
Posted to GM Driveability on 10/11/2004 4 Replies

When it starts this problem is at part throttle in 3rd gear [...] 48mph Maf 85.31g/s TP 1.78v Load 73% Map 4.13v O2 .56 spark adv.-1 knock retard 14 Also will drop #6 clyinder I have switched plugs and coil with no effect. Ran a injector flow test 52psi to 35o...

4 Replies Received (View Replies)

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car Vehicle Data

2001 Chevrolet Impala

VIN 2G1WF55K01
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, No Power Spark Knock
OccursHot, Under Load, on Accel
Misc.Police Car
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN 2G1WF55K01
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, No Power Spark Knock
OccursHot, Under Load, on Accel
Misc.Police Car