20 Most Recent 1988 Chevrolet Silverado 2500 Questions & Answers

A wiring problem.

1988 Chevrolet... | Answered on Apr 02, 2019

disconnect the wire from the switch and screw the switch body out if brake lights are NOT coming on , screw the switch in if lights Stay on , only turn 360 degrees then attach wire and test

1988 Chevrolet... | Answered on Sep 06, 2015

Hey Glenda, the belt slipping , low fluid level , air in system , pump getting bad.with motor running open cap and look in if it looks like a cherry milk shake that's could be cavitation (air) or water,

1988 Chevrolet... | Answered on Oct 08, 2014

Does it shudder when it dies ?

1988 Chevrolet... | Answered on Jul 29, 2014

Clean or replace the AIC Solenoid if you have one

1988 Chevrolet... | Answered on Jul 28, 2014

Is the check engine light on ? Have you checked the idle air control valve ?

1988 Chevrolet... | Answered on Jul 28, 2014

That truck should have a spark plug gap of 0.035 inch.

1988 Chevrolet... | Answered on Jul 17, 2014

i would start by checker your cat converter is not clogged. There are 3 way to do this you can have someone start the truck and rev it while you check the exhaust coming out of the tail pipe it should be a petty good flow coming out of the tail pipe, if no flow is coming from the pipe then yourcat conveters are clogged. The second way is to remove the o2 sensors in front of the cat converter and try driving it to see if it was accelerate, if you can accelerate then you know it's your converter if not then i would look athe the distributor and or timing.

1988 Chevrolet... | Answered on Jul 06, 2014

Sounds like you have an intermittent electrical problem somewhere in the ignition circuit. I would check all of the electrical plugs and connections for corrosion. I would start with the power wire to the ecm which should be a small red wire connected to the poss. terminale on the battery. Also check all ground connection. The ecm power wire might also be connected on the other end of the poss cable on the starter.

1988 Chevrolet... | Answered on May 05, 2014

Either you have a short to ground in the wiring harness or heater relay is bad. the relay I am referring to is generally located close to the blower motor and acts as a Potentiomiter to control fan speeds.

1988 Chevrolet... | Answered on Dec 15, 2013

What marks?

If you haven't moved the crank- stab the dist back in there,
until you like where #1 Points on the cap

If you moved the crank, bring it up #1 toTDC on compression

1988 Chevrolet... | Answered on Aug 28, 2013

more information and i can help....you changed the oil and now no spark?

1988 Chevrolet... | Answered on Feb 07, 2013

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