NO FIRE; WONT 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 08-11-2007, 02:38 PM   #1
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Default NO FIRE; WONT START!

Last week I had my water pump replaced; it ran fine the rest of the day. The very next day I was driving it, and all of a sudden, power went out, and car wouldn't start. Waited 20 mins. it then started up I made it home and. I left it until I had my mechanic look at it.

We ran the car for about 30 mins & it ran fine; didn't cut-off, one time & no codes were found. I took nthe car out the next morning to have the alternator & battery tested and they tested GOOD.

On the way back it went out again, this time it wouldn't start. Had a mobile mechanic come out & change the crank position sensor. Still wont start. Then we switched out the ICM with a used one I had & it started right up. I thought this was the end of the problem, but last night it cut-off again & wouldn't start again.

So we changed the ICM with a new one & guess what? Won't start. Ended up having it towed to auto-clinic who is charging me $85/hr to diagnose. It'* been an hour so far & they still haven't a clue. Please HELP!
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Old 08-11-2007, 02:48 PM   #2
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Are you getting any Service Engine light? Maybe a security light? Anything abnormal happening on the dash or is it totally random?
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Old 08-11-2007, 03:06 PM   #3
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Ignore the security light above. That'* not possible, as the VATS system won't kill a running car.

Pull the protective boots off the battery cables and tell us what you find.

(by the way, that'* not cocaine you found in there, that'* corrosion you can't see until you pull the boots).
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Old 08-11-2007, 04:48 PM   #4
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Default NO FIRE; WONT START!

Checked the battery cable terminals; no, no cocaine there. I changed the connectors a couple of months ago too. It does however turnover, but it doesn't crank. Would cocaine stop it from getting fire?
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Old 08-11-2007, 05:25 PM   #5
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You're using the wrong terms, which is what steered me towards the cables.

The engine is cranking/turning over, but not FIRING, right? Check your fuel pressure and check for codes.
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Old 08-11-2007, 10:44 PM   #6
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Did they figure out anything during this hour?
1-Is it sparking from all three front cylinders?
2-How much fuel pressure is there at the injector rail?
3- Any trouble codes?
4-Is it getting fuel injector pulse?

If they can't answer any of these 4 questions then I'd be more than a little pissed.
Corrosion of the driver'* side ground bus can disable the fuel pump. Read this techinfo article if it doesn't have fuel pressure at the rail.
http://www.bonnevilleclub.com/forum/...=article&k=102
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Old 08-11-2007, 11:59 PM   #7
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Default NO FIRE; WONT START!

They had my car all day and couldn't diagnose it. No codes. No sparks & goes NOWHERE!
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Old 08-12-2007, 12:03 AM   #8
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No spark? Check the crank sensor, ICM, and the wiring harness in between.

The ICM provides the spark reference signal until the engine reaches a certain RPM, then hands off control to the PCM.
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Old 08-12-2007, 03:10 PM   #9
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Ya dude I got the same problem pretty much exactly like yours. Every mechanic I had this car taken to gave me the same response "I don't know." Im thinking what it might be is Vapor lock or bad Ignition coil.
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