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1994 Cadillac Seville no fire

Tiny
MRGAINES
  • MEMBER
  • 1994 CADILLAC SEVILLE
  • 158,000 MILES
I have a 1994 cadillac seville sls. Iam not getting any fire to the plugs. It was showing code p 041, witch is camshaft position sensor. Found it was the pigtail on it that came loose. Started fine the day I repaired it. But now its not starting. I wanna check the icm, and crankshaft position sensor. But iam not getting any codes. Need to know what to look for. Thank you.
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Monday, July 29th, 2013 AT 4:15 PM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See if you are getting spark first then check fuel pressure.
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Tuesday, July 30th, 2013 AT 6:52 AM
Tiny
MRGAINES
  • MEMBER
  • 4 POSTS
Iam not gettin any spark to my plugs. Gettin plenty of fuel.
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Tuesday, July 30th, 2013 AT 10:46 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See pics for diagnosis also check for loose connections as well and have ignition module checked if still not starting.
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Tuesday, July 30th, 2013 AT 12:03 PM
Tiny
MRGAINES
  • MEMBER
  • 4 POSTS
When I unpluged the connector for the camshaft sensor, my check engine light did not come on. When I checked the connectors at the icm, I didn't get a reading over 100omh. Could the problem be my pcm is bad?
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Thursday, August 1st, 2013 AT 11:16 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Yes but have the cam sensor checked for resistance I dont' have any specs on it however. Crank sensor too
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Thursday, August 1st, 2013 AT 1:20 PM
Tiny
MRGAINES
  • MEMBER
  • 4 POSTS
Crank sensor is bad. What is the best and easy way to replace it?
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Saturday, August 3rd, 2013 AT 7:40 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Shoot penetrating oil around it unbolt it and twist gently to see if it will move upwards then let oil soak and try to remove with a pliers. The placstic is brittle and will break easily.
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Sunday, August 4th, 2013 AT 5:14 AM

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