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9
03 yukon 5.3l no start
Well I got the new fuel pump in and tank put back under. I have the fuel filter unhooked to replace but leaving it unhooked for now. When I turn the key on I only get fuel for about 3 seconds then it stops flowing. Do I need to finish hooking everything up for it to pressurize corectly- 94cummins12v
- Post #9
- Forum: Engine & Drivetrain
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9
03 yukon 5.3l no start
Hoping thats the problem it's the factory pump with 165k been reading some people aren't getting the electrical signal to the pump- 94cummins12v
- Post #8
- Forum: Engine & Drivetrain
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9
03 yukon 5.3l no start
Wasn't getting any fuel to the rail swapped some of the relays around for the fuel pump and same. Un threaded the fuel filter and same nothin so I dropped the dank last night waiting on a new oem acdelco fuel pump and evap canister- 94cummins12v
- Post #6
- Forum: Engine & Drivetrain
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9
03 yukon 5.3l no start
Well I hooked the battery back up and now it's just the no start issue the flashing light and continous crank in the run position went away. I'm going to try the key relearn procedure and see if that works- 94cummins12v
- Post #4
- Forum: Engine & Drivetrain
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9
03 yukon 5.3l no start
Well we don't have either of the factory black head keys just the silver cheap key from the hardware store. I have the battery unhooked again at the moment to see if that makes it any different. I was going to check for spark and fuel pressure this morning but when I hooked the battery back up...- 94cummins12v
- Post #3
- Forum: Engine & Drivetrain
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9
03 yukon 5.3l no start
Hello everyone I have an 03 gmc yukon slt with the 5.3l with 160k miles. The yukon is a no start at the current moment. Yesterday it would just crank and not fire up at all. Didn't get time to mess with much last night as it was late so I just unhooked the battery to try and reset everything...- 94cummins12v
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- Replies: 10
- Forum: Engine & Drivetrain
