1998 buick le sabre

1998 BUICK LESABRE
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LARRYWW
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  • 1 POST
I have 140,000 miles on the car. I just changed the plastic intake manifold and now I keep getting the engine light that has a code PO507. It means the Idle speed control motor needs work. How can I clean it or replace it?
Feb 22, 2007 at 11:06 AM
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CHEVY22
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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what engine please???
Feb 22, 2007 at 11:41 AM
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CHEVY22
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 1,375 POSTS
the code is for iac system rpm high , there are many resons for this code ,since you replaced the intake check for vacuum leaks and also the iat sensor harness pulgged in ,it is on the air intake , it has two wiresand it is before before maf , check the intake for leaks since it was just replaced ,and after that we can work on the iac it is located on rge t/b
Feb 22, 2007 at 12:01 PM