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Erratic Idling please help

This is a discussion on Erratic Idling please help within the GM Trucks forums, part of the Vehicle Specific category; I think theres something wrong my 2003 Suburban, when i am on a stop light or have it on parked ...

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    Erratic Idling please help

    I think theres something wrong my 2003 Suburban, when i am on a stop light or have it on parked with the engine running. It start idling funnly like if it wasnt to shut off, then when i accelrate it feels like its forcing itself. I am leaning towards the spark plug wires, but i wanted an opinion out of you guys first. what would your recomend? btw no egine light so it might be a minor problem.

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    Member Nitrous's Avatar
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    White
    97 GMC with 02 LS6 engine

    It's too hard to tell without a scan and log. Could be fuel related or spark, how many miles are on the 03?

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    Junior Member Not 2 Slow's Avatar
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    98 camaro z28 m6

    Quote Originally Posted by hurraquio View Post
    I think theres something wrong my 2003 Suburban, when i am on a stop light or have it on parked with the engine running. It start idling funnly like if it wasnt to shut off, then when i accelrate it feels like its forcing itself. I am leaning towards the spark plug wires, but i wanted an opinion out of you guys first. what would your recomend? btw no egine light so it might be a minor problem.
    Try cleaning your iac valve

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    thx, ill think ill look at the IAC first but since the check engine light doest come on then it might aslo be due for a tune up, 73000 miles on it.

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