1997 SE. Starter Issues. - Page 3 - 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 03-09-2010, 08:25 AM   #21
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Please don't put stuff in 3 different threads. That will make it harder for us to keep your stuff stright.

At 30psi, you found your issue. You need a minimum of 25-30psi to start and running at idle you should have low 40'*.
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Old 03-09-2010, 08:37 AM   #22
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If there is DTC history you need to find out what the code is and try to take care of that first.
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Old 03-10-2010, 09:46 PM   #23
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Update.

Can't check codes, no scan tool and car will not start.
Last time I checked fuel pressure, it was 50 psi.
I checked wires yesterday, twice.
I took off the ICM and cleaned it, that didn't help.
Plugs are good, smelled of fuel when I pulled them.
Tested plug wires, they are good.

I still think I either need a new ICM or Crank Sensor.

Any other possible ideas?
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Old 03-11-2010, 12:34 AM   #24
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Check for spark. Pull a plug and plug it in to the wire. lay the plug on a ground and crank the engine. If no spark then start inspecting the ignition wiring harness. If that looks good your left with a bad ICM, bad crank sensor, or bad cam sensor. I'm leaning more towards ICM or crank sensor.
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Old 03-11-2010, 04:41 PM   #25
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before changing ICM make sure you have IGN voltage at ICM harness connector

1. Turn OFF the ignition switch.
2. Disconnect the ignition control module harness connector.
3. Turn ON the ignition switch.
4. Probe the ignition control module ignition positive voltage circuit at the harness connector with a test light to ground. (pink wire)
Light should be on
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Old 03-11-2010, 10:30 PM   #26
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try taking the ignition module off its bracket. look for corrosion under it . that will break ground and the car wont start . had a few of them like that at the dealership .
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Old 03-24-2010, 08:01 PM   #27
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Crank but no spark.


Okay so I got it fixed.
It was the Crankshaft Position Sensor.

So if anyone has this problem
It was the CRANKSHAFT POSITION SENSOR.

What I did to trouble shoot:

Checked fuel pressure, it was fine.
Checked sparkplug wires and plugs, they were fine.
Checked ignition coils, they were fine.
Checked Ignition module, pulled it off, cleaned it, wasn't very much corrosion, but I cleaned it anyway.
Ignition module was fine.
Checked all wires, including battery cables, cleaned them, they were fine.

Finally had a friend come and scan it, it registered two errors,
Said that one signal from the crankshaft position sensor was not being read by the ICM, so we checked the ICM again, it was fine.

I replaced the crank position sensor, car started right up.
Drove it around for a little while, on hwy.
Did a couple of restarts to make sure it was fixed.

That is everything I did to fix this problem with my car.
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Old 03-24-2010, 11:41 PM   #28
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I had a bad crankshaft position sensor, too. Mine didn't get to the point where it wouldn't start, but mine used to die at inopportune times… like 70 mph on the highway, full throttle.

You'd be surprised what a bad sensor can do. Glad to hear it'* fixed!

Last edited by SignOfZeta; 03-24-2010 at 11:42 PM. Reason: Posted too soon.
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Old 03-25-2010, 06:25 AM   #29
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Good deal. Glad to hear you got it fixed.
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