afterfire
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1997 K2500 454 Rough Idle, Loud Afterfire
I have a '97 K2500 with the 454. Simply put, it doesn't idle right. When I start it up cold, it revs up to 2000 RPM, slowly settles to idle, and then either abruptly dies or practically dies before roaring right back up and going through it again. In order to keep it on I hold the gas slightly...- Manmeyco
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- 1997 454 afterfire rough idle
- Replies: 24
- Forum: Engine Performance + Maintenance
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