A common problem with that vehicle not starting is low fuel pressure. You can test the pressure with the correct tool. If the pressure is only 3-5 psi less than the required it will not start.
SOURCE: engine stopped while driving
Check your Fuel Pump Relay and Fuel Pump + Change the Fuel Filter. Should get you going again. Please Rate My Response! Thanks!
SOURCE: 1996 JIMMY / 4 WHEEL DR DOESN'T ENGAGE but LIGHT TURNS ON
The problem is in the transfer case. My mechanic said there is a pin that engages the 4x4. My pin sheared off. He replaced it. It works fine now.
SOURCE: 1996 gmc jimmy won`t shift from 1st to 2nd
IF the abs dash light is on and if the speedometer is sluggish or not working at all, it is probably a bad speed sensor on the transmission. and easy fix under $40 for the part. Mine was stuck in second gear for a while then worked then it stuck in first gear and i had the CHECK ENGINE light on.
SOURCE: wath P1406 Code means on a GMC jimmy 1996,
It's an egr valve problem (exhaust gas return) egr position sensor.
Take off the egr valve and turn it over and see if there is carbon build up in the ports, if there is clean it out with a pipe cleaner and a little carbon cleaner, just spray a little into the ports and clean it out. If that doesn't cure the problem, then either the sensor needs replacing, and or the egr valve.
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