Bandit's Surging/Poor Idle - Page 8 - 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 11-13-2006, 10:33 PM   #71
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Quote:
Originally Posted by bandit
The problem has always been and still is...

1: Stopped, Holding the brake, Give a Just a bit of gas, and it chuggles/sputters while holding the gas steady.

2: At Speed and while the TR converter is locked around 48-55 you can feel it the most because of where the RPMs are at. You hold the gas study or hold it a bit for going up a hill and ir will chug / sputter.
That is when the EGR opens.
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Old 11-13-2006, 10:38 PM   #72
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Quote:
Originally Posted by motorhead
Well fine then, don't do such a simple test as driving the car with the EGR valve electrical connector unplugged. I hope you can get the problem fixed.

I seriously do look forward to finding out what the cause of this is, not for the sake of who'* right and who'* wrong, I just realy would like to know as this one has truely stumped me.
That sounds like a reasonable test ...but then again, I don't have the car knowledge... can it hurt anything to run a car without it plugged in?
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Old 11-13-2006, 10:43 PM   #73
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It will set a code, but it will not hurt anything. And it sounds like Bandit has the tools to easily clear a code so I did not think this would be a big deal as far as a test of the EGR system.
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Old 11-13-2006, 10:47 PM   #74
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Quote:
Originally Posted by motorhead
It will set a code, but it will not hurt anything. And it sounds like Bandit has the tools to easily clear a code so I did not think this would be a big deal as far as a test of the EGR system.
well for some reason my dads Tool doesn't want to clear any of my codes. so i really don't want any more in there for now.

If the TPS doesn't fix the problem, then ill move on to other things.. or just shoot the car
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Old 11-13-2006, 11:30 PM   #75
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motorhead makes a good point, and this needs to be adressed
The EGR test is valid.
Eventually you will get to the bottom of it
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Old 11-14-2006, 03:55 AM   #76
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Alright, let me poke my nose in here: :P

We have the values from the scanner that were posted, do we have a chart that shows what the values are supposed to be? Like maybe a chart in the factory service manual?
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Old 11-15-2006, 08:21 PM   #77
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********* UPDATE ***********


Ok.. I did the EGR test.
Yup as far as one of my problems it fixed.
The problem where I hold the brake in Drive, Give it a little gas and chug / sputter.. That went away.

But my other problem at speed when it sifts in to OD and TR converter locks, That problem is still there with the Chug / sputter, But i think thats mt TPS, if you look at the second Chart.

And i confirmed that unplugging the EGR fixed the Low speed/idle problem by plugging it right back in and starting it up and it did the Chug again.

So looks like i might have two problems, EGR and TPS.
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Old 11-15-2006, 08:32 PM   #78
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Bandit, I'm having the same 2 problems as you are. How did you test and fix the egr problem? Keep in mind that I don't have a scanner or what ever Meter you used.
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Old 11-15-2006, 08:55 PM   #79
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Quote:
Originally Posted by Maymybonneliveforever
Bandit, I'm having the same 2 problems as you are. How did you test and fix the egr problem? Keep in mind that I don't have a scanner or what ever Meter you used.
there is a Plug that plugs in to the Top side of the EGR, Unplug it,Drive around, see if the problem goes away. If so.. You can try cleaning it. But that didn't work on mine.
So go to the Yard and get a New used one of Pay the $100+ for a new one.
Or i know someone will chime in on i forget his name that has rebuilt ones.

I haven't "fixed" my problem yet, i just know how to fix it
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Old 11-15-2006, 09:05 PM   #80
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Quote:
Originally Posted by bandit
Quote:
Originally Posted by Maymybonneliveforever
Bandit, I'm having the same 2 problems as you are. How did you test and fix the egr problem? Keep in mind that I don't have a scanner or what ever Meter you used.
there is a Plug that plugs in to the Top side of the EGR, Unplug it,Drive around, see if the problem goes away. If so.. You can try cleaning it. But that didn't work on mine.
So go to the Yard and get a New used one of Pay the $100+ for a new one.
Or i know someone will chime in on i forget his name that has rebuilt ones.

I haven't "fixed" my problem yet, i just know how to fix it
Didn't you say you fixed the problem when you take off from idle?
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