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My service now light came on all of a sudden

Tiny
KBROOKINS
  • MEMBER
  • 1984 CADILLAC FLEETWOOD BROUGHAM
  • 51,400 MILES
My 84 Cadillac fleet wood just started cutting off and not wanting to stay running its a fuel injected HT4100 whats wrong and how much to fix it

Monday, March 26th, 2012 AT 1:15 AM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You need to check the fuel pressure to see the reading. You need to check spark too.

Have the codes checked and give us the numbers.

Roy
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Monday, March 26th, 2012 AT 1:17 AM
Tiny
KBROOKINS
  • MEMBER
  • 4 POSTS
I havent changed the spark plugs could it be that
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Monday, March 26th, 2012 AT 1:23 AM
Tiny
ASEMASTER6371
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That wont cause it to cut off.

Roy
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Monday, March 26th, 2012 AT 1:26 AM
Tiny
KBROOKINS
  • MEMBER
  • 4 POSTS
How do I check fuel pressure
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Monday, March 26th, 2012 AT 1:32 AM
Tiny
ASEMASTER6371
  • MECHANIC
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You need a gauge to connect into the fuel rail. You may need some help from a shop if you are not sure.

Roy
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Monday, March 26th, 2012 AT 1:35 AM
Tiny
KBROOKINS
  • MEMBER
  • 4 POSTS
Ok thank you will take tomorrow
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Monday, March 26th, 2012 AT 1:37 AM
Tiny
ASEMASTER6371
  • MECHANIC
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Good luck

Roiy
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Monday, March 26th, 2012 AT 1:40 AM

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