92 Bonne, Hard Start - 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 04-09-2003, 12:50 AM   #1
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Default 92 Bonne, Hard Start

Ok guys this looks like a well informed site, so I will send this out to you and tell me what you think. 2 weeks ago I purchased my first Bonne 92 SE. Purchased from an older couple and for the most part this car is in great shape inside and out. There are a few flaws here and there that need to be done, but nothing that will keep this car off the road for any length of time. I don't have much history on this car as far as what has and has not been done. Here is my problem that needs to be dealt with first:
When I first picked up the car it started fine but after a couple days I started having problems trying to start it. It would crank over like it wanted to start but would not fire up on the first or second try. Third try she would turn over but for a couple seconds she would be some what hesitant. First thing that came to mind was a fuel problem possibly (fuel pump or fuel filter). Then I thought maybe just a trick will do, so I would turn the ignition on and wait for the fuel pump to kick in a couple seconds and boom she would fire up right nice. Well that since has changed. No matter if I turn it right away or wait a couple seconds she takes a couple turns of the key to start. When it starts it stays running, no hesitation, idles fine, no stalls of any kind, runs great after that. My only problem just seems to be starting it. Any ideas? I figure to change the fuel filter, run a couple tanks of premium with some injector cleaner in each fill up, see if that helps. I haven't tuned it up yet, so I figure to put in new plugs, wires etc. (by the way looking for some ideas on that, performance wise). I did take out the air box and sprayed some injection cleaner directly into the air intake a few times. Any help on this would be greatly appreciated. Thanks in advance.
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Old 04-09-2003, 01:46 AM   #2
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how about changing the oxygen sensor
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Old 04-09-2003, 09:29 AM   #3
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Old 04-09-2003, 12:49 PM   #4
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Maybe the throttle body needs to be cleaned, but in my experience, when the throttle body was dirty either the car would sometimes start and stall, or the throttle would stick a little.

I recently had the same hard start problem after I replaced the oxygen sensor (it wasn't hard to start before I replaced it, but fuel economy was low). The hard start problem went away on its own after a few weeks, and I'm guessing that it was because the system re-learned slowly over time because I didn't disconnect the battery to force it to relearn immediately after I replaced it.
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Old 04-09-2003, 02:06 PM   #5
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Does the Service Engine Soon light come on?
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Old 04-09-2003, 02:27 PM   #6
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No service light comes on, however I do get a couple chimes when this happens, but once it starts its fine. If I give it a shot of gas from the accelerator it starts up fine. It only happens starting it .. thats it. I have noticed that the fuel economy seems to be low, but then again I just got the car about 3 weeks ago.
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Old 04-09-2003, 02:39 PM   #7
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Even though you don't see a service engine soon light, you can get chime(*) if the RPMs are low (probably below 700 or so) and the oil pressure is low when the RPMs are low and it'* close to a stall condition.

Is the idle RPM low when you start it and you hear the chimes? It should idle at around 800 RPMs.
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Old 04-09-2003, 03:31 PM   #8
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Quote:
Originally Posted by dspman67
No service light comes on, however I do get a couple chimes when this happens, but once it starts its fine. If I give it a shot of gas from the accelerator it starts up fine. It only happens starting it .. thats it. I have noticed that the fuel economy seems to be low, but then again I just got the car about 3 weeks ago.
Does this occur first thing in the morning when the car is cold, or when you're doing a warm re-start, or does it not matter?

Reason I ask is that our '96 Trans Sport sprang an internal leak in its fuel pressure regulator (mounted on the end of the fuel rail) and gave these same symptoms whenever trying to restart a warm engine. (Overnight the flooded vacuum line would drain down and clear itself; it was only a warm restart where fuel pressure would force gas into the vacuum lines, and take several cranks of the starter to get going again).

In any event, take two minutes and pull the vacuum line off the fuel pressure regulator. If it pees gasoline at you, that'* your culprit.
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Old 04-09-2003, 03:37 PM   #9
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I do notice the RPM is low and the oil light does come on when the chimes are going, but it doesn't last for more than a couple seconds. You give it a little throttle and it idles fine. Oil light is off and the rpm is fine. This problem happens anytime. Cold or warm.
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Old 04-09-2003, 03:40 PM   #10
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I just started it to go to lunch and it started up on the first shot. But when I got back in to go back to work, first turn wouldn't start, I gave it a little throttle and it turned right over.
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