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2002 Chevrolet Silverado 2500 HD 6.6L Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 3/7/2014 10 Replies

trying to find cause of a MIL [...] p1093 stting which is set during power enrichment. I have a genysis scan tool and recorded various data. Direct hit tells me to check vacumn at shredder valve and thus I did, there is 6 inches of vacumn inpark wot. 10 inches...

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  Related Documents & Media  2002 Chevrolet Silverado 2500 HD

 
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car Vehicle Data

2002 Chevrolet Silverado 2500 HD

VIN 1GCHC23172
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / deisel
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursIntermittently

Trouble Codes

P1093Fuel Rail Pressure Low During Power Enrichment
Message Closed

car Vehicle Data

2002 Chevrolet Silverado 2500 HD

VIN 1GCHC23172
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / deisel
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursIntermittently

Trouble Codes

P1093Fuel Rail Pressure Low During Power Enrichment