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2004 Chevrolet Silverado 2500 HD 6.6L No Start, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 8/1/2008 3 Replies

So far I have not reproduced the problem. Thinking about my codes and their order of importance to me, I'm thinking that I'm losing my 5 volt reference voltage at or within the fuel press sensor. The reason being that is 2 codes are saying low voltage and 1 fo...

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  Related Documents & Media  2004 Chevrolet Silverado 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK242X4
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, Hesitation, Misfire, MIL Lamp On
OccursHot, Intermittently

Trouble Codes

P0193Fuel Rail Pressure Sensor Circuit High
P0405EGR Pintle Position Sensor Circuit Low Voltage
P0642Sensor Reference Voltage 1 Circuit Low
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK242X4
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, Hesitation, Misfire, MIL Lamp On
OccursHot, Intermittently

Trouble Codes

P0193Fuel Rail Pressure Sensor Circuit High
P0405EGR Pintle Position Sensor Circuit Low Voltage
P0642Sensor Reference Voltage 1 Circuit Low