Question about 1988 Chevrolet C1500
Heard a light "popping" or ticking sound on starting already warmed-up truck (arcing?), drove 1/4 mile and it died. Restarted, but died immediately. Checking showed no spark. Fuse is good at ecm/ign pole. Replaced distributor cap, rotor and module; still no spark... Help?
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Posted on Jan 02, 2017
SOURCE: 93 chevy g20 van
More than likely it's the distributor. They have a tendency to build up corrosion and rust and have personally went through the same situation three weeks ago on a suburban. Check to see if you are getting spark from the distributor first. Have the ecm in the distributor checked at Oriellys for free. It's under the rotor and has two 8mm head bolts with wires plugged in at each end.
Posted on Jun 22, 2008
SOURCE: Cheverlet K1500 no spark
two more things related to spark one is the ignition module, two the distributor pickup assmbly, and last but not theh least check and make sure the distributor rotor is not burned up
check the pick up coi for continuity, using an omh meter you can use theh omh meter to test the distributor rotor also if they test out ok then replace the ignition module.
Posted on Nov 15, 2008
I have same problem. have volts at coil (new) tested module at autozone it was good. still no spark (testing using a screwdriver in distributor coil wire to ground. Voltage stays present when cranking although does fall to ~9.5 volts. New rotor and cap also.
Posted on Sep 06, 2009
First thing you need to know is which cylinders are missing. Then, don't forget there is an engine beneath the electronics. Do a quick test with a vacuum gauge and do a compression test. Check the distributor shaft for side play. If everything checks out good, then do electronic component testing. have a code check run (many parts stores do this free) and get a chiltons or haynes manual and follow test procedures in there.
I refrain from giving repair suggestions with problems like yours because people keep changing instead of testing parts. When I work on my vehicles or other peoples cars, I do testing to avoid buying expensive parts that most times won't correct the problem. At this point the most I'd suggest is to clean the mass air flow sensor wires with a Q-tip and carb cleaner...that often helps and is free. If you run into a problem with whatever you find, ask and I'll try to help.
Posted on Oct 05, 2009
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