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1998 Chevrolet K1500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 11/2/2004 13 Replies

This truck has a rough idle all the time. The o2 sensor B2S1 seems to be stuck at 0.35v. LT fuel trim on Bank 2 is 25%. The truck had Bosch wires and uknown cap and rotor on it so we replaced it with AC Delco parts along with a new set of AC Delco plugs. The f...

13 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet K1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19RXW
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways, on Accel, Idle
Misc.4 X 4

Trouble Codes

P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19RXW
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways, on Accel, Idle
Misc.4 X 4

Trouble Codes

P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected