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1992 GMC G2500 Vandura--have no injector fire/pulse

start by checking the control module in the distributor and then the pickup coil, start with these two first,

Jun 21, 2010 | 1992 GMC G2500

2 Answers

1992 gmc g2500-no fire to injectors--ckd pink wire to pwr connector--no pwr on that wire--swapped computers and still no pwr

The signal that the computer uses to fire the injectors actually comes from the ignition module inside of the distributor.

Some applications also use the oil pressure sending unit to shut down the fuel pump and injectors if there is not enough oil pressure to run the engine safely.

There might also be a burnt fusible link at the starter that controls part of the power to the computer, you will know a burnt fusible link wire when you find one because it will stretch like a rubber band.

Be sure that all of the ground wires are tight, especially the computer ground wires at the back of the cylinder heads, and the computer ground wire that should be grounded next to the thermostat housing.

May 10, 2010 | 1992 GMC G2500

1 Answer

91 GMC G2500 5.7L 350 Stalling when warm

You should try looking at the transmission fluide, it must be short. If it is, you should go buy a transmission fluid. And make sure you car pipes has no leak.

Jan 11, 2010 | GMC G2500 Cars & Trucks

1 Answer

Where is the fuel pump relay on a 1993 GMC Vandura?

either under the hood or under the dash

Mar 22, 2009 | 1993 GMC G2500

1 Answer

1983 GMC G2500 Alternator Belt Diagram

REMOVAL & INSTALLATION Fig. 1: A gauge is recommended, but you can check belt tension with thumb pressure 89771g18.gif
Fig. 2: Loosen the component's mounting and adjusting bolts slightly to remove or adjust the belt(s) 89771g19.gif
Fig. 3: Push the component toward the engine and slip off the belt 89771g21.gif
Fig. 4: Slip the new belt over the pulley 89771g22.gif
Fig. 5: Pull outward on the component and tighten the mounting bolts 89771g23.gif
Fig. 6: Accessory mountings found on 6.2L diesel engines 89771g24.gif
  1. Loosen the driven accessory's pivot and mounting bolts.
  2. Move the accessory toward or away from the engine until the tension is correct. You can use a wooden hammer handle, or broomstick, as a lever, but do not use anything metallic, such as a prybar.
  3. Tighten the bolts and recheck the tension. If new belts have been installed, run the engine for a few minutes, then recheck and readjust as necessary. It is better to have belts too loose than too tight, because overtight belts will lead to bearing failure, particularly in the water pump and alternator. However, loose belts place an extremely high impact load on the driven component due to the whipping action of the belt.

Mar 20, 2009 | 1986 GMC G2500

1 Answer

How to replace hub bearing?

Try “” or your local library for diagrams and step by step instructions and here is a place for the parts if needed: Schram auto and truck parts 1-800-292-1032 they sell only GM parts

Mar 08, 2009 | 1993 GMC G2500

1 Answer

My 1984 gmc vandura full size fan

Check to see that the vaccum hose is on from the carb to the cruise unit. Most common prob. Frankster016

Oct 22, 2008 | 1986 GMC G2500

1 Answer

Fuel not coming from throttle body dont have check engine light

distributor often go out on these. it controls the spark and injection good luck

Sep 21, 2008 | 1991 GMC G2500

1 Answer

No horn,no radio memory, no interior light

Sounds like a fuse is 'blown'. Fuse-box located quite awkwardly below the steering wheel - above the pedals. You may have to pull out the fuses to check their condition...

Aug 02, 2008 | 1987 GMC G2500

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