1990 Cadillac El Dorado ECM?

1990 CADILLAC ELDORADO
130,000 MILES
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CKEEPERS
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  • 3 POSTS
After running for a few minutes the engine dies. If you immediately try to restart, I does not start. If you cycle the off and on and then it starts. I pulled many codes from a 1990 El Dorado and they seem random. Are these symptoms of a bad ECM?
Jan 15, 2014 at 5:52 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check battery first for condition including load test. autoparts do for free.
Jan 15, 2014 at 11:33 PM
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CKEEPERS
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The battery if fine. There is no cranking or power to ignition issue. The codes I pulled include E030, E049, E053, E062, B120, B121, B122, B447, R025, R026, etc. Some show current while show history.
Jan 16, 2014 at 4:26 AM
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HMAC300
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  • 48,601 POSTS
those arenot engine codes cross A&B at the aldl and count light blinks on dash for check engine.
Jan 16, 2014 at 4:29 AM
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CKEEPERS
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Cadillac code are pulled from info center/climate control.
E030- ISC Circuit Problem
E049- AIR System Malf
E053- Distributor Signal Interupt
E062- Vacuum Sol Circuit Problem
B codes are Body Control Module related and i am not sure what the "R" codes are.
Jan 16, 2014 at 5:08 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
clear all the codes by disconnecting the battery for about a minute and then start out fresh no sense looking up codes tha tare in history as they may not be correct anyhow.
Jan 16, 2014 at 9:54 AM
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