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Old 09-08-2019, 04:48 PM   #1
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Default Chasing a phantom

1990 turbo wagon likes to die. Tow it home and it starts. Poke around and can not find any thing. Next time it died in the car port. Pushed it out for better access and it started . Any ideas?
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Old 09-08-2019, 04:57 PM   #2
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I'd start at the crank sensor.
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Old 09-08-2019, 04:59 PM   #3
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I'd start at the crank sensor.
+1

Also RSR wiring, and fuel pump relay.
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Old 09-08-2019, 06:35 PM   #4
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Do you have a test lamp?
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Old 09-09-2019, 08:03 PM   #5
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Do you have a test lamp?
3 or 4 incandescent 2 led. Digital vom analog vom.
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Old 09-09-2019, 08:05 PM   #6
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Quote:
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I'd start at the crank sensor.
It was changed years back but I donít remember the vendor. Good thought
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Old 09-09-2019, 08:09 PM   #7
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Good thought on cps.it was changed years ago but don’t remember the vendor
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Old 09-09-2019, 08:13 PM   #8
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Ignition amp in the left front fender is another cause of random stalling.

You aren't low on fuel are you? A low tank and a bad intank pump also causes this symptom.

Last edited by dl242gt; 09-09-2019 at 08:14 PM.. Reason: add comment
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Old 09-09-2019, 08:58 PM   #9
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Incandescent lamp between coil negative and ground. Blink?


LED lamp to powerstage "input" wire. Blink?
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Old 09-10-2019, 12:26 PM   #10
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When no starting, have ye spark?
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Old 09-14-2019, 08:52 PM   #11
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Maybe found it.it looks like one of the pins on the cps got pushed back. This was on the body harness connected.
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Old 09-14-2019, 11:32 PM   #12
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Good find. I hope that sorted it out.
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Old 09-17-2019, 06:36 AM   #13
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Quote:
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Maybe found it.it looks like one of the pins on the cps got pushed back. This was on the body harness connected.
These connectors on LH2.4 under hood have bit me several times...... anything that is touched needs confirmation, as they certainly weren't designed for 50 on/off cycles like the GM Weatherpack parts.
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