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1998 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Misfire
Posted to GM Driveability on 6/2/2003 10 Replies

Help please. This 2500 is eating us up.

Miss at idle only and miss counts will count up to 150+ on scanner. Above 1000 RPMs miss will go away.

When this happens O2 on bank 1 will read lean and bank 2 will switch rich lean. Pulse width is the same on each ban...

10 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet K2500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K2500 Cheyenne

VIN 1GCGK29R0W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle
Misc.4X4, Cheyenne
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K2500 Cheyenne

VIN 1GCGK29R0W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle
Misc.4X4, Cheyenne