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2002 Chevrolet Gruman P30 6.5L Excessive Emissions, Poor Idle Quality, Hesitation, Surge
Posted to GM Driveability on 2/3/2005 8 Replies

I'm not sure where to start with this. I have no DTC's. The truck runs terrible. It's blowing black smoke...Running heavily rich and the idle continuously surges. Any Idea for a starting point?

8 Replies Received (View Replies)

 
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car Vehicle Data

2002 Chevrolet Gruman P30

VIN 5B4KP42Y42
Engine6.5 L / 8 cyl
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge
OccursCold, Hot, on Accel, Idle
Misc.6.5 Diesel Gruman Body P-30
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Gruman P30

VIN 5B4KP42Y42
Engine6.5 L / 8 cyl
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge
OccursCold, Hot, on Accel, Idle
Misc.6.5 Diesel Gruman Body P-30