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just replaced both oil coolant lines after I had one come off and spray oil everywhere. I had it towed home, replaced the lines, and when I went to start it it turned over very slowly like the battery...
Idles perfect, runs great at low speed but soon as it shifts or u give it gas it wants to choke out and almost die, let off the gas and it catches up and runs fine, if I punch it hard it goes, if ...
replaced fuel pump, filters,spark plugs, distriber cap, no catilac converter
2007 Chevy Suburban LS 1500 5.3 liter
I have jumped my 1999 GMC Suburban K1500 and sometimes it will start, but not always. The battery is maybe 18 months old.
Also does it when backing up a grade...
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