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2001 Chevrolet Silverado 2500 HD LS 6.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 6/18/2003 4 Replies

runs rough intremitently & mil comes on. misfire history shows #2 at 2705 & #7 at6870 .sounds like a vacum leak in rear half of intake. are this noted for intake leaks like the [...] is the first of this motor i have had in shop and i am puzzeled. thnks in adv...

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  Related Documents & Media  2001 Chevrolet Silverado 2500 HD LS

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500 HD LS

VIN 1GCHK23U01
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / muti-point
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500 HD LS

VIN 1GCHK23U01
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / muti-point
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected