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I have a high idle, just over 1K RPM. I get a check engine light and code 507. Iac idle higher then expected.
So is there a way to test the iac valve beffore I sped $100 for a new one? Could there be something else that may set off this code? Any vacuum lines that are prone to break? I heard something about the throttle body gaskets being prone to leaking?
With the cost of gas, I'd really like to have her running as best as possible.
PS: 5.7L Vortec 97 Suburban.
Thanks!
Eric
So is there a way to test the iac valve beffore I sped $100 for a new one? Could there be something else that may set off this code? Any vacuum lines that are prone to break? I heard something about the throttle body gaskets being prone to leaking?
With the cost of gas, I'd really like to have her running as best as possible.
PS: 5.7L Vortec 97 Suburban.
Thanks!
Eric