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  #1  
Old 06-08-2008, 03:53 PM
BIG SHOOTER BIG SHOOTER is offline
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AC on engine races

97 S10 Blazer 4x4 4.3 Idle jumps to 1200 rpm when AC is turned on. How can i fix this.
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Old 06-08-2008, 11:48 PM
tempfixit tempfixit is offline
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Re: AC on engine races

Quote:
Originally Posted by BIG SHOOTER
97 S10 Blazer 4x4 4.3 Idle jumps to 1200 rpm when AC is turned on. How can i fix this.
Check for a vacuum leak.
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Old 06-09-2008, 07:09 AM
BIG SHOOTER BIG SHOOTER is offline
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Re: AC on engine races

Checked for vacume leaks. Everything check ok no leaks. Is there a some type of switch to raise the rpms for the ac when it is turned on.
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Old 06-10-2008, 05:16 PM
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Re: AC on engine races

Still broken. Does anyone have a idea?
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Old 06-11-2008, 10:25 AM
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MT-2500 MT-2500 is offline
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Re: AC on engine races

You might try cleaning TBI and IAC valve.

And get a engine capable scanner on it and check out and test actual idle and desires idle iac and rpm readings.
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Old 06-12-2008, 07:16 AM
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Re: AC on engine races

Thank You , MT-2500 I will plug in a scanner this weekend.
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Old 06-12-2008, 10:08 AM
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Re: AC on engine races

You are welcome and let us know what you find.
Good luck
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