Help with SES code. - Page 2 - 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 08-01-2006, 10:23 PM   #11
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Well unfortunately the light came back on after driving for about 40mins. So I am at a loss here. I don't know wether to see if Advance willl exchange it for another one or what. Let me know if you have any more advice I hate having the light on. Thanks for the help so far I do appreciate it.
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Old 08-01-2006, 11:16 PM   #12
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Try cleaning and lubing the individual pintles and see if that helps. You should be able to do it right on the car.
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Old 08-02-2006, 12:53 PM   #13
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With all this focus on the EGR valve, could we be missing other possibilities?

Is it possible that he has a weak FPR and that is causing the SES?

If you read his first post, three out of five possibilities are fuel pump or relay related. Perhaps he should check voltage readings for the fuel pump and relay. Remember that with A/C on, there is a heavier load, possibly causing a strain on a weak fuel system.

Just an idea.
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Old 08-02-2006, 01:32 PM   #14
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His PCM doesn't monitor relays for the fuel pump or the fuel pressure. That'* false information from a service manual.
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Old 08-02-2006, 03:10 PM   #15
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So should I stick with what Archon said and pull it off to check it out, and clean the tube? I am going to the Pick N Pull in IL tomorrow to tear that 92 SSE SC apart that Eric showed me. I will get the EGR from that one and see if that helps. I hope that car is still in the shape it was when Eric took the pics cause thats an hour or more drive. I would hate to go there for nothing.
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Old 08-02-2006, 03:54 PM   #16
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Quote:
Originally Posted by Blownville
So should I stick with what Archon said and pull it off to check it out, and clean the tube? I am going to the Pick N Pull in IL tomorrow to tear that 92 SSE SC apart that Eric showed me. I will get the EGR from that one and see if that helps. I hope that car is still in the shape it was when Eric took the pics cause thats an hour or more drive. I would hate to go there for nothing.
I wish I had other ideas about the EGR valve, if that'* causing the error code, but I can't think of anything else at the moment.

I do have a favor request, though: if you find the EGR valve intact on the '92 sse */c, and if the EGR tube is still intact, I'd be interested in buying the EGR tube from you. If that'* a possibility, please send me a PM and let me know if we can make arrangements to do that. I've been looning for one for quite a while now.
Thanks.
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Old 08-02-2006, 06:19 PM   #17
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Before going through all of that, have you cleaned the individual solenoid pintles? If not, try that first. Spray them with a good solvent (the springs too), scrub them with a brush, and make sure that the move freely. If that doesn't clear things up, then you can move on to the EGR tube.
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Old 08-02-2006, 06:27 PM   #18
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Ok I will try that, but I can't understand why it could need to be cleaned when its only 3-4 weeks old and still looks like new on the outside. I won't be able to work on it till maybe Friday. I have to use it tomorrow to go to the Pick N Pull yard.
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Old 08-02-2006, 06:29 PM   #19
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Blownville said the EGR valve was replaced 3 weeks ago, so I can't imagine it needing cleaning. Or maybe the new EGR valve failed already, but it seems unlikely.
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Old 08-02-2006, 06:48 PM   #20
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On the 93 can you monitor the actuation of the Digital EGR Solenoids?

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