cold start
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Help with rough startup, and randomly dies on a rare occasion from sputtering too much. 98 sierra 4x4 5.7l vortec
This one is a pretty wonky one but suits me and my luck being (atleast most likely) something with fuel. The truck honestly drives great 90% of the time and being on the edge of hitting 500,000km. But when I go to start it up every single time it will sit there trying to start and alot of the...- kingremy619
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- 1998 5.7l vortec cold start fast idle fuel gmc sierra rough startup sputtering
- Replies: 1
- Forum: Engine Performance + Maintenance
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T
98 5.7 vortec won't start in the cold, crank but no start.
When it's about 30 degrees F or lower my 5.7 will crank but not start, above 30 below 40 If I do get it to start it will pitter out for a few cranks, and then might finally grab on spit a little and then run perfect and super strong, no rough idle and no performance issues. Has new starter, new...- turnerg5
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- advice cold start crank no start trouble starting
- Replies: 5
- Forum: Engine Performance + Maintenance
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5.7 Vortec cold tap/knock HELP!
So about a year ago, my head gasket blew on my 99 Classic. Had the heads professionally redone and had the lifters, rockers etc out. Fixed it up nice. Since then I have had a real bad cold start tap/knock. Engine didnt exceed 100⁰C when the gaskets went. The truck has about 330,000km (about...- 99Classic
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- cold start knock vortec 350
- Replies: 37
- Forum: Engine Performance + Maintenance
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kennythewelderOfficially Retired, B31-3 (6-G) certified welder.