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2001 Chevrolet Impala LS 3.8L Misfire
Posted to GM Driveability on 5/22/2014 5 Replies

2001 impala, 3.8, only a p0300 misfire code, engine loses power and back fires threw intake under load at about [...] rpm. Allready checked, maf, tps, map, plugs wires and coils. Air intake clear, fuel pressure in range! what else is there? ign moduel?

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car Vehicle Data

2001 Chevrolet Impala LS

VIN 2G1WH55K51
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala LS

VIN 2G1WH55K51
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load