Question about 1994 GMC Suburban

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Car is holding back on power

The suburban is a GMC 1994. it seems like it is not getting power as we are driving, almost like t is holding back.

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  • GMC Master
  • 76,691 Answers

Has the fuel filter ever been replaced?

Posted on Feb 20, 2012

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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leetamara
  • 702 Answers

SOURCE: 1994 GMC Suburban front hub / bearing removal

Knock the wheel studs through the assy.

Posted on Jun 09, 2008

sledge1863
  • 149 Answers

SOURCE: car dies while driving and will not start up

Does it start after cooling down? If so then you have a bad ignition module located in the bottom of the distributor.

Posted on Mar 03, 2009

  • 599 Answers

SOURCE: gmc suburban 1500 4 wheel drive 1994 is sending a

code 28 is transmission range pressure switch, check the fluid level and get back to me, hope this helps. Please rate my fix as i strive to be the best Thanks Ray

Posted on Dec 10, 2009

moparownr
  • 667 Answers

SOURCE: on a 1994 gmc suburban recieving code 78

Code 78 refers to the secondary fan relay circuit, I would start there, you might have a short in that circuit, or an open, or bad relay. Hope this helps, let me know

Posted on Dec 10, 2009

  • 538 Answers

SOURCE: 99 GMC Suburban -- While driving engine cut

Does it tick then a bit later tick again? If so that's most likely an automatic circuit breaker that you hear. If you have a short in the wiring the circuit breaker kicks out (tick) and shuts that circuit down, after a minute or so the circuit breaker cools enough to reset itself (tick again). That would explain the truck shuting down. The circuit breaker will continue to reset itself until the battery goes dead, I would suggest disconnecting the battery until you can get it to a shop. You have a short in the wiring somewhere. Good Luck!

Posted on Jan 02, 2010

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is it fuel injected? seems like your distributer cap maybe going bad.

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Dec 25, 2009 | 1994 GMC Suburban

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Gmc suburban 1500 4 wheel drive 1994 is sending a


code 28 is transmission range pressure switch, check the fluid level and get back to me, hope this helps. Please rate my fix as i strive to be the best Thanks Ray

Dec 10, 2009 | 1994 GMC Suburban

1 Answer

On a 1994 gmc suburban recieving code 78


Code 78 refers to the secondary fan relay circuit, I would start there, you might have a short in that circuit, or an open, or bad relay. Hope this helps, let me know

Dec 10, 2009 | 1994 GMC Suburban

1 Answer

How do I replace the wiper motor on my 94 GMC suburban?


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Nov 21, 2009 | 1994 GMC Suburban

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May 24, 2009 | 1994 GMC Suburban

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I'll tell ya what a diesel mechanic told me..."fuel injector pump". It seems that the new low sulfur diesel being sold now wears the seals out on the older pumps. I changed the fuel sending unit and that seemed to help a little, but now while driving it will shut down, and it's hard to start. Going to have the job done now. Part is very expensive! Hope this helps.

Apr 11, 2009 | 1994 GMC Suburban

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