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2000 Chevrolet Tahoe LT 5.3L Misfire
Posted to GM Driveability on 12/6/2016 18 Replies

Group,

In my quest to rid this car of the MIL for a p0300, we have covered a lot of ground. In looking recently at my Freeze frame data for the 300 codes I see EGR command and position is almost always at highway speed, with EGR at or around 50%. My p0401 cod...

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  Related Documents & Media  2000 Chevrolet Tahoe LT

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Tahoe LT

VIN 1GNEK13T3Y
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Under Load, on Accel, Cruise, Intermittently

Trouble Codes

P0300Multiple Misfire Detected
P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Tahoe LT

VIN 1GNEK13T3Y
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Under Load, on Accel, Cruise, Intermittently

Trouble Codes

P0300Multiple Misfire Detected
P0401EGR System Insufficient Flow Detected