'idle problem' - 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 11-09-2007, 03:05 PM   #1
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Default 'idle problem'

I got this car with a new battery but it was only 550 cold cranking ampsand the volts light flickered off on intermittenly Of course too small of a battery I thoiught as the car is supose be at 770 cca okay so i bought one with 875 Cold Cranking Amps (CCA) and ithe auto parts dude says that battery was good for my bonny . Ok so after I re/re the battery the volts light flickers intermittenly as it did with the smaller battery ? Does have to do nmore with theidle as I notice it seems to do so as it is at a low start up idle like in am?
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Old 11-09-2007, 03:28 PM   #2
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1st let'* rule out a bad connection at the battery. Remove the bolts & rubber boots from the cable ends. Clean the ends of the cables with a wire brush or sandpaper. Coat with dielectric grease & reassemble. Let us know what you find & if necessary we'll continue from there.
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Old 11-09-2007, 03:32 PM   #3
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Ok well i did all that already the cables are just dandy my friend thanks for the quick reply jd
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Old 11-09-2007, 03:36 PM   #4
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How low is the idle when the light flickers?
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Old 11-10-2007, 01:24 AM   #5
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pretty low like wants to stall then it kicks up abit goes back then finally I give it abit of gas
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Old 11-10-2007, 10:58 AM   #6
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You have an idle problem, and at those idle speeds, the alternator can't put out enough voltage.

Please edit your topic title to say 'idle problem'.

I'll move this topic over to the 92-99 section for you.
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Old 11-10-2007, 12:35 PM   #7
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This question is begging to come out....


How low IS your idle? Numbers can tell us alot of things. Anything below 500 rpm things start to go awry.

Since you have an SSEi, you have no battery gauge on your dash. Do you have access to a DMM (digital multi-meter)? Standing voltage at the battery should be anywhere from 12.4-12.0. A battery under charge (engine running) should be at 14.4 volts if all is healthy. Note that there will be a small voltage drop from the alternator to the battery...usually less than .5 volts.

Amperage coming from the alternator should also be looked at. Easiest way to test that is to have the car tested at your local autoparts store.
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Old 11-10-2007, 01:14 PM   #8
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My new battery seems to be strong enough at 875 CCA other battery was new but only 550 CCA Bonneville at least 770 CCA to haven't seen this now for a day and my idle sits aroun800 1000 I believe
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Old 11-10-2007, 01:24 PM   #9
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800 would be pretty close to normal. Please describe the 'dip in rpm'* and nearly stall' a little more clearly.
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Old 11-10-2007, 01:30 PM   #10
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Default the Absolute best car I have owned better than 72 442

Well It seems to not do as much since I changed air filter and now trying to find PCV ? hidden or something I think I need to changwe fuel filter My problem no owners manual and I will have find a specific car book on my 1993 ssei
As for the idle it is what I would call choppy usually only in the am for abit I am going to film the car this am and upload to livevideo and place a link this way I think would be better in about an hour i should have it done Thanks very much by the way
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