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International Automotive Technicians Network
2005 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality
Posted to GM Driveability on 2/23/2012 10 Replies

I have hit the wall with this one and am looking for suggestions of where to look next. The LTFT on both banks indicate a lean condition, more under acceleration(+20%)but also high at idle(+10%). A lot has already been done to this truck so bear with me as i t...

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  Related Documents & Media  2005 Chevrolet Silverado 2500 HD

 
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car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23U95
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursUnder Load, Idle
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23U95
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursUnder Load, Idle