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MSD ignition problem
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http://www.clubcobra.com/forums/all-cobra-talk/121644-msd-ignition-problem.html)
| Marc Wulf |
08-01-2013 10:08 AM |
MSD ignition problem
I have a MSD 6 AL ignition system,2 blaster coil and MSD distributor.Im having intermittent spark problems.I drive the car for 10-15 minutes and it quits.I wait 5 minutes and vroom off I go for another 10 or 15 minutes and the same thing happens.All opinions suggestions and advice would be greatly appreciated.
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| Learjockey1 |
08-01-2013 11:04 AM |
Marc not trying to be too short, but Google MSD and look for their trouble shoot section and give the tech reps a call. May help to have a volt meter to check the simle things first then go to the more comlex. Always check for "great" grounds.
R/
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| Frank Messina |
08-01-2013 11:58 AM |
It's also possible that the pickup coil in the distributor is dropping out when it gets hot. Just another thing to check.
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| Rick Parker |
08-01-2013 07:49 PM |
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| Rick Parker |
08-01-2013 07:51 PM |
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| Legless |
08-02-2013 06:27 AM |
Hi Marc,
If your coil is mounted on the engine or close to a heat source I would suspect the coil has been damaged by heat. I doubt it would be an intermitant earth as this probably wouldn't improve with cooling of the components.
Good luck, finding the problem but I strongly suggest changing the coil.
cheers
Legless
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Do a resistance check of the coil. Check the MSD website for directions and specs. Any oil residue coming from the coil body? What position is the coil mounted in? Letting the car sit in the driveway and run or driving it will produce the problem? I assume you have checked all the connections and wire crimps. If you can reproduce the problem in the driveway, test the coil again (above) when the engine dies. You will need to do the same with the box, test again when engine is dead. You might also consider checking the ignition switch (if you tap power to the MSD's small red wire there. Is the small red wire still "hot" when the key is on and the car has stalled? Could be a internal issue with the ignition switch.
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| grego |
08-02-2013 10:18 AM |
Check your coil. I've had 2 Blasters fail on me this year, and mine is located far from any heat source. Roush told me they have a number of them that have failed and correctly steered me in that direction. New coil, and voila, runs perfect both times.
I also had a problem with the magnetic pickup in the distributor and had to change that out last year.
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FYI: Many of the reported problems people have with MSD units are related to power surges, high resistance because of poor or corroded wire connectors, etc. Always good to check all these items from time to time.
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| DanEC |
08-02-2013 11:22 AM |
Jeezzz - MSD seems to have become our own Lucas Prince of Darkness. %/
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