idle air control
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Z
Hard/No start then runs fine
I have been dealing with an issue that turned out to be a seized IAC valve causing it to bog down on decel or at a stoplight. It would bog down only for a few seconds, except at highway speed, then go right back to normal idle. It would almost sound as if it had a lopey cam in it. Since fixing...- zitkada
- Thread
- 350 tbi code 43 crank no start hard start iac valve idle air control knock sensor low idle poor idle rough idle
- Replies: 5
- Forum: Engine Performance + Maintenance
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IAC Issue? Rough idle in park & in drive. Please Help!
I have a 97 Sierra SLE 5.7L 157k miles. Just fired the truck up today after maybe a month of sitting. I took it for a drive and once I got to a stop light I noticed the truck was running rough while idling (I'm fully stopped pressing brake at traffic light). I almost thought it was about to...- zer0Limitz
- Thread
- iac iac valve idle air control idle air control valve idling issues rough idle
- Replies: 4
- Forum: Engine Performance + Maintenance
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