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1994 gmc Jimmy wont start , have.replaced everything to make it start. I went threw a mud hole with the driver wheel well off , could my conputar be.fryed

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  • Cars & Trucks Master
  • 3,679 Answers

A few basic checks to help you 1.is there a spark to the plugs ? 2.are the air intake pipe and vacuum pipes in good condition ie no splits ,cracks etc ? 3.is there fuel getting to the cylinders , remove a plug turn engine over on the starter a see and smell if there is fuel to the cylinder with plug removed ? 4.that age of vehicle may have a mono port injection system or even a carburetter ,either way remove the air intake pipe from the fuel injection/carb throttle body and try to start, if wont fire up cover this opening , where the air inlet pipe went on ,with your hand to feel if there is suction ,if not there is no compression from the cylinders , this would indicate head gasket or piston ring failure. keep me posted as to the outcome of these checks before spending money on a ECU that may or may not be the problem

Posted on May 12, 2014

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Posted on Jan 02, 2017

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Nitrotrike
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SOURCE: 1994 gmc jimmy steering wheel removal

Gently pop off the horn cap / cover.

There will be a short wire attached, so be careful not to pull it too hard.

You will see the wire going into the metal frame of the steering wheel.

The wire will go into a "sleeve". Push the sleeve in, and turn slightly counter-clockwise to unlock the connector. The horn will beep a few times as you pull the wire out, just to warn you :)

You will now need a steering wheel puller. These can be bought for about $10 at any auto parts store.

Once the wheel itself is off, you will see a black plastic disk. remove it. Now you will see a metal disk with notches in it (this is what locks the steering wheel when you turn the key off). You may want to get someone for assistance for this one, as there is a pretty stiff spring behind the disc, so use caution. You will need to push the disc towards the dash and remove the retainer clip.

Once that is off, you will see the white turn signal switch. Remove the hazard switch button first, then the turn signal lever retaing screw (be careful if it has cruise control, as the wires are thin and delicate), then remove the 3 phillips head screws holding the actual switch on. Let the switch hang out of the way.

Now, you'll see the lock cylinder retaining screw. This is where you may have a problem if you don't have a key.

After removing the screw, you MUST turn the ignition switch to the "run" position and pull out the assembly.


Posted on Jun 19, 2008

  • 1118 Answers

SOURCE: 1994 GMC Jimmy hard to start and runs rough when first started

did you do a fuel pressure test? if you havent do it its cheep an at least you can elimanate that. if thats not an issue, then there is only two other things crank sensor, and if there is one cam sensor.

Posted on Feb 02, 2009

  • 366 Answers

SOURCE: remove steering wheel on 95 gmc jimmy

u will need a steering wheel puller,u will have to disharm and take airbag off if equip.,i would suggest to get manual it explains step by step procedure!

Posted on Apr 25, 2009

haider_alhar
  • 90 Answers

SOURCE: 1994 GMC Jimmy hard to start and runs rough when first started

i think if you checked the sparking plugs and map sensors then check your distributer its maybe not delivering the current nedded to perform the spark to some of the cylinders

Posted on May 30, 2009

  • 1 Answer

SOURCE: 2000 GMC Jimmy won't start

i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ

Posted on Jul 13, 2009

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