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Ignition rotor under dist. Cap keeps goin out on 93 gmc kan some one help

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  • 49 Answers

Upgrade to a MSD ignition. Cap/rotor upgrades are well worth the small investment.

Posted on Nov 12, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: 2000 gmc jimmy dont start

do you have access to a scanner to check the computer , possibly the computer has gone bad .

Posted on Dec 09, 2008

  • 91 Answers

SOURCE: trouble shooting on chevy s-10 2.8 liter v6 pick up truck

sounds like the ground strap to me, it wouldn't be that the wires are in the wrong order that would still give you spark just to the wrong cylinder and believe me you'd know immediatly in that case.

No spark means no contact to the coil plain and simple..

Posted on Jan 08, 2009

bunnydawg
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SOURCE: rought idle

blown head gasket

Posted on Apr 25, 2009

  • 341 Answers

SOURCE: 94 GMC Yukon (No Spark)

You mentioned that it appeared that you were not getting spark but what process did you use to see if you were getting spark or not?

Posted on Jun 21, 2009

emissionwiz
  • 75814 Answers

SOURCE: Misfires 96 gmc sierra 5.0

I suggest you have the injectors tested by the dealer, the sludge buildup will not cause a miss fire. to clean the throttle body use carberator spray while holding the engine idle high.

Posted on Aug 05, 2009

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2 Answers

Hello, I have a 02 GMC Sierra 4.3L v6. The problem I'm having is that the truck cranks over but no spark. I've changed the ICM, ignition coil, have pulse on the wire from the crankshaft sensor an all other...


There will b a senser under cap.and one on coil u should be able to have tested at any auto parts store..if not ....u should have codes in memory have it scaned

Jan 04, 2015 | Cars & Trucks

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Why would my distribuator cap and rotor keep going bad on 1987 gmc v10 350 engine pickup truck


The dist. shaft may be loose or worn. Pull the dist. out and check for binding, sloppy movement, worn parts.

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I have a 93 lexus ls 400. With less than 100000 miles. Why would one plug keep fouling. Always the same plug. Thank you for your help. It is truely appreciated.


Look at the plug. Is it full of oil? If so you have an oil ring problrm on that cylinder. More likely though you have an ignition problem on that cylinder. Check dist cap, rotor, and plug wire. If that fails, check compression in affected cylinder.

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I want to replace spark plugs (8) and wires on my '84 GMC pickup


get a 20 dollar haynes or chiltons manuel and find the module and coil. always change the ignition module and coil every 4 no more than -5 years to be safe.

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1990 K5 Blazer DIED(Electrical?)?


There may be no injector pulse if the computor does not see a RPM signal.
There will be no spark if the ignition module does not see a dist pulse from the dist pickup.......a RPM signal.
Because you do not have both ......I would suggest to check/change the dist pick up.
Follow the wires from the ignition module inside the dist to the pickup which is also inside the dist.
If it is just a bad dist pickup....keep all your old parts as good spares.
Also...is the dist turning? to provide a RPM signal?
You will have to remove the dist to change the pick-up.....mark your timing locations......"rotor position" and "dist body location"before removal.
A quick test before installing the "repaired dist" .....plug it in the the truck wiring and turn on the key....DO NOT CRANK THE ENGINE OR YOU WILL LOSE YOUR DIST ROTOR CORRECT POSITION......as you spin the dist by hand .....the injectors should spray.

Aug 23, 2009 | 1989 Chevrolet S-10 Blazer

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