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PCM will not turn on Fuel Pump?
We replaced the fuel pump on a Yukon Denali that came in,
first Delphi pump was a dud, after installing the second we
tried to crank the vehicle over and got no fuel pressure.
Fuel pump did not kick on, relay didn't click at all. ![]()
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| Engine | 6.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2003 GMC Yukon XL 1500 Denali 6.0L
| Engine | 6.0 L |
| Trans | 4-speed Automatic (Electronic) |

22 Replies Received
22 Replies Received