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Hot start issue with 2000 Silverado 1500
Hello! I’m back again! I am having a problem with my 2000 Silverado 1500 with the 4.8l. Whenever I hot start the engine, it will drop down to ~300rpm for a few seconds then jump back up to its normal idle of ~550. Almost stalls but the engine doesn't vibrate horribly like you'd expect it to for...- DarkNinjaSG
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- 4.8 hot start idle
- Replies: 23
- Forum: Engine & Performance
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Strange idle issues with 4.8 (SOLVED)
Hello! I have a 2000 Silverado 1500 with the 4.8 that has 140,000 miles on the engine. It’s been acting strange recently. If I drive it for over an hour at highway speeds or for over 30 minutes in stop and go traffic, the engine will start to idle at 1,000 RPM. If I shut the engine off and then...- DarkNinjaSG
- Thread
- 4.8 high idle iac vortec
- Replies: 24
- Forum: Engine & Performance
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1999 extended cab Silverado 4.8/4l60e
So I recently purchased a 1999 Silverado extended cab with the 4.8/4l60e. The truck runs and drives good for the most part and sounds healthy but it’s got some minor issues, one being that when in Drive the Rpms will not exceed 2500rpms even if I put the pedal to the floor. In neutral the engine...- Ethan.jones01
- Thread
- 4.8 4l60e silverado
- Replies: 20
- Forum: Engine & Performance
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