Question about 1993 Chevrolet C/K 3500
No spark at plugs wires what ohms reading is there coming out of coil
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Posted on Jan 02, 2017
SOURCE: 454 on chevy won't idle
Did you check your timing? You may have the timing to advanced to compensate for the clogged filter, change your timing and then see if it will idle.
Posted on Mar 26, 2009
SOURCE: chevy 350 no spark
Check the distributor module (ICM), it may have gone bad and needs to be replaced. It's around $40.00 and it's under the rotor in the distributor assembly. Check the red lead wire to the HEI for voltage, there should be 12 volts. It common for the ICM to fail on the HEI system and if you go to Auto Zone, they can give you the step by step instructions to replace the ICM. Good luck and keep me posted, be glad to help.
Posted on Jun 11, 2009
before you drop tank again, check fuses & relay.then disconnect fuel line @ filter turn key to on position should hear fuel pump run and get gas stream out of line. if no flow from line new pump faulty be sure & remove negative battery cable first good luck.
Posted on Jun 20, 2009
sounds like your egr valve is gummed up or bad. this is located behind the throttle body and has a single vaccum tube connected to it. if the diafram is still good you can remove it and clean it with WD 40 until the plunger works smooth
Posted on Nov 08, 2009
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