Code PO507 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-28-2005, 05:47 PM   #1
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Default Code PO507

im getting a code of po507 dose any one know what is going on and how to fix it

i have a 97 bonneville se l36 eng. k i have 104,000 mi on the car

thank you robert
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Old 11-28-2005, 05:58 PM   #2
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PO507 Idle control system RPM higher than expected

sounds like a dirty IAC to me. (Idle air control)
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Old 11-28-2005, 06:14 PM   #3
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So that'* what you needed the code for CC. Yea, check what he has suggested. I'm sure someone can come up with a procedure to help you out.
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Old 11-28-2005, 06:15 PM   #4
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Quote:
Originally Posted by JimmyFloyd
So that'* what you needed the code for CC. Yea, check what he has suggested. I'm sure someone can come up with a procedure to help you out.
I could have given him that too...FSM is right here.

check the connects to the PCM, and IAC.

If those look good, clean/replace it.
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Old 11-28-2005, 07:19 PM   #5
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what if that dont help what sould i do
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Old 11-28-2005, 09:59 PM   #6
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I'd do it first, and worry about 'what if' later.

The best suggestion at this point is to get a new TB gasket, and actually remove it from the car for a good cleaning. Remove the MAF sensor before cleaning. Pay close attention to the IAC passage and IAC itself.

If that doesn't work, we'll discuss it at that time.
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Old 12-04-2005, 10:50 PM   #7
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ok here is the update i replace the IAC with a new one and clean the TB out the old one was bad the ses light is now off i hope ill be ok now

thank every one with your help

robert
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Old 12-04-2005, 10:58 PM   #8
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Quote:
Originally Posted by robert76
ok here is the update i replace the IAC with a new one and clean the TB out the old one was bad the ses light is now off i hope ill be ok now

thank every one with your help

robert
I'm glad it worked.
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Old 12-05-2005, 12:26 AM   #9
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The next thing we'd have told you to do was go after a vacuum leak, but it didn't come to that.

Glad you got it on the first try.
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Old 12-05-2005, 09:34 AM   #10
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Now that your issue is fixed...maybe I can go a little off topic!

Robert...nice color on that Bonnie! It'* not a common color, I'm sure as you know...
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