I hate it when willwren is always right. P0507 code - 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 12-17-2006, 07:39 PM   #1
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Default I hate it when willwren is always right. P0507 code

I've had a lingering P0507 code after doing my wifes UIM/LIM replacement on her '98 Bonneville(high idle). Not enough time to really get at it until tonight.

After checking for vacuum leaks, I tried Will'* suggestion of pulling the oil fill cap with the engine running. Hey, won't come off! Then I tried really hard--finally came off with huge suck.

Then went to check PCV valve as he suggested. Not only no bad seals, but no PCV valve! Did same thing as Bigfoot (by the way Bigfoot, I wear a size 15 boot). I never put the valve in either
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All our cars and trucks have the PCV valve in a different place, is my lame excuse.

Anyway, found the old one and cleaned it up and stuck it back in until I can get a fresh GM on. Yep, idle dropped back to normal (1300 down to 800 or 900 or so). Can't remember if the engine light will reset or maybe I'll have to do it manually.

Anyway, I relate this to encourage fellow newbies to bring problems to the forum no matter how dumb you think you might look. I'm a retired Old Fart, so I don't even care any more, but no one will razz you anyway(unless you're a newbie AND an old fart, in which case willwren will inevitably think up something(I imagine even before midnight )).

Cheers
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Old 12-17-2006, 09:13 PM   #2
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Pull the battery cable off for 10 min to reset.
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Old 12-17-2006, 09:21 PM   #3
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goes to show how bad a $5 part can screw things up
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Old 12-17-2006, 09:39 PM   #4
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It'* experience. The Admins/Mods and Gearheads have seen a bunch of these.

When we suggest something it'* safe, and typically on the right track due to the experience.
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Old 12-17-2006, 10:41 PM   #5
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Thanks, guys, for your comments.

I meant to add in my original post that although doing dumb and stupid stuff is what we all do from time to time and is OK, attitude is not OK.

The administrators, moderators and gearheads in these forums spend too many hours, days, and weeks helping people with their car problems to put up with any crap. I was a little rankled too, Bill, when I read one of the posts tonight.

So be sure all of us with problems to be solved remain humble and respectful.

Slug
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Old 12-18-2006, 11:33 AM   #6
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Hear, hear, I second that. I appreciate all the help that I get on this forum. Did you get your light to reset?
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Old 12-20-2006, 04:14 PM   #7
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Quote:
Originally Posted by jshelton54
Did you get your light to reset?
Yes, I did finally.

It seems that only one half hour with battery disconnected does not seem to do the job on this '98. I remember having to leave it disconnected overnight one time before, and that did the job this time too. Maybe a capacitor holding a charge extra long.

Thanks!
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Old 12-20-2006, 11:21 PM   #8
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Quote:
Originally Posted by Slug
Thanks, guys, for your comments.

I meant to add in my original post that although doing dumb and stupid stuff is what we all do from time to time and is OK, attitude is not OK.

The administrators, moderators and gearheads in these forums spend too many hours, days, and weeks helping people with their car problems to put up with any crap. I was a little rankled too, Bill, when I read one of the posts tonight.

So be sure all of us with problems to be solved remain humble and respectful.

Slug
Excellent post!!! Well said.
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Old 12-21-2006, 08:14 AM   #9
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Actually guys, the light on an OBDII vehicle doesn't automatically reset with a battery disconnection.

For example a code P0171 Lean Bank One will only reset with a scan tool capable of clearing codes, or by seeing 3 consecutive tests passing. Then the light goes off...but the code will still be stored.
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Old 12-21-2006, 08:42 AM   #10
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Slug, thanks for posting up your resolution for all to see. It really helps when others can not only see what problems were occurring, but what the final solution was.

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