no fire to my spark plugs - Engine Troubleshooting


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randyeppers1980
New User

Nov 16, 2007, 12:01 PM

Post #1 of 4 (2014 views)

no fire to my spark plugs	Sign In

my vehicle is a 1983 oldsmobile delta 88. it has 136,000 miles on the odometer. engine is a 307 c.i.d. V8 with factory 4 barrel carb. i have no spark to my spark plugs. the following items are new...spark plugs, spark plug wires, distributor cap, rotor button, coil on top of the cap, ignition control module, and the pick up coil inside the distributor. i have a maintenance free distributor in that it just turns the fly wheel. unless the teeth are damaged(which theyre not) it should work if everything else works. all components are new. no crank shaft sensor on my vehicle( i've been told) what else is there? also when i removed the distributor, i marked the fly wheel and distributor so i didnt reinstall it 180' retarded or advanced. so tell me please what im missing!!!

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 16, 2007, 1:31 PM

Post #2 of 4 (2006 views)

Re: no fire to my spark plugs	Sign In

Is the rotor inside cap turning when the engine is cranking?

T

kathill73
New User

Nov 29, 2007, 12:50 PM

Post #3 of 4 (1979 views)

Re: no fire to my spark plugs	Sign In

did you find out what was wrong as im having same problem

Vinnysnismo
User

Nov 29, 2007, 12:54 PM

Post #4 of 4 (1978 views)

Re: no fire to my spark plugs	Sign In

Even if you put the distributor in 180 out it would still have spark, just not in the correct order(probably wouldn't run and if it did it would run very bad). Are you getting power into the plug that goes into your distributor? Start there. If no power your problem lies before the distributor. Also VERY IMPORTANT-- if it is a HEI ignition(coil on top of cap) you have to make sure they you install the SECONDARY NEGATIVE on the coil(it is actually for the pick-up coil)if this wire is not installed it will cause the coil wires to melt through causing "voltage punch through" destroying the coil cap n rotor. If this wire is not installed the motor will still run.... but make sure it has it. When i bought my truck (GMC w/ 350 HEI) the person that had it before me did not install the wire. My truck ran fine for a long time and one day the wires that go to the coil melted together causing all 8 cyl to ignite at the same time almost blowing the motor.(it backfired so loud a cop heard it 3 miles away) Check for power going to your dist when you turn your key on.. also make sure your rotor turns when the motor is cranked over..if not...you have serious problems.

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