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2004 GMC Sierra 2500 HD SLE 6.6L No Start
hey everyone i need help iam not much of a diesel mechanic. I have this duramax that wont start. Owner replaced his own fuel filter and after a couple hours driving he noticed lack of power and his fuel pressure was dropping down he could not remember to what ...
FIX posted 4/30/2012
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Message Closed w/FIX
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| VIN | 1GTHK29184 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | No Start |
| Occurs | Always |
Trouble Codes
| P1621 | Control Module Long Term Memory Performance |
Message Closed w/FIX
Vehicle Data
2004 GMC Sierra 2500 HD SLE
| VIN | 1GTHK29184 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | No Start |
| Occurs | Always |
Trouble Codes
| P1621 | Control Module Long Term Memory Performance |
16 Replies Received
16 Replies Received
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