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Problem Starting when Warm

96 GMC with 5.7 Vortec (250k). When the engine is cold it starts normally, idles and drives fine. When it's warm, the engine turns over fine. I hold the key to crank the engine a couple seconds and when I let go of the key the engine kinda slowly sputters to life. Gains rpm until it is at...
- PJones96
- Thread
- Jan 3, 2024
- Replies: 12
- Forum: Engine Performance + Maintenance
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Truck tries to drive through the brakes

I've got a 96 C1500 with a 5.7vortec with 250k on the odometer. It seems like I have a ghost in the machine here. I need some help diagnosing an idle issue. The idle flutters intermittently. I wouldn't call it a surge because it's a very quick blip of 50-100rpm then it goes back to normal...
- PJones96
- Thread
- Jul 2, 2023
- idle problems
- Replies: 66
- Forum: Engine Performance + Maintenance