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6.5 Detroit 1994 GMC Sierra runs smooth then gets a little rough then smoothes out again
Hi there guys I finally got the truck goin, it runs good, but then it will run a bit rough acts like it wants to die. Has had some bad fuel in it for some time I filled it up and added some cleaner could it be a low pressure lift pump? Still runnin the stock pump. Thank you- Drak101
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- Replies: 2
- Forum: 6.9L IH & 7.3L IDI Diesels
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1994 gmc k3500 6.5 turbo diesel hard to start
Hey guys just picked up a 1994 GMC Sierra k3500 6.5 turbo diesel. I got the truck running ran good and smooth. Now I can’t get it started acts like it’s not getting fuel pmd was relocated already as well.- Drak101
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- Replies: 1
- Forum: Site comments and suggestions
