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2001 Chevrolet Silverado 2500 6.0L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 4/28/2006 16 Replies

cutomer customer changed plugs and wires him self , truck seems to run fine until you get on freeway going about 60 and the check engine lite starts flashing, check for codes and it has code p0300 it says random missfire. checked missfire data and shows cylind...

16 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Silverado 2500

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500

VIN 1GCHK29U71
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursOn Freeway at 60Mph

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500

VIN 1GCHK29U71
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursOn Freeway at 60Mph

Trouble Codes

P0300Multiple Misfire Detected