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Re: Help! won't start (archive)

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Posted by Angus on October 07, 2000 at 22:11:32:

In Reply to: Help! won't start posted by C hris on October 07, 2000 at 13:07:36:

remove the distributor cap and look inside if there is any moisture in there dry it out with a hair dryer ,also have someone crank the motor over and see if the distributor rotor spins(this will tell you if the t-chain is broken)
by the way the motor will still have spark with a broken t-chain as the spark is triggered by a crank position sensor(there is nothing in the distributor but a rotor to direct the spark to the right plug wire) so as long as the crank spins it will have spark out of the coil.
how many mile are on your motor?
also ive heard of an instance where the distributor rotor disintegrated inside the cap due to moisture getting in there after washing the engine!
hope this helps

I have an '89 M3. When I tryed to start it the other day it fired for an instant, then quit. After a second attempt the tone of the starter changed. It sounded like the motor was spinning without any compression, as if someone had removed the sparkplugs and there was no longer any compression. I've listened for the fuel pump and it's operating. I also pulled a plug and spun the motor to see if it's getting spark which it is. My mechanic said that maybe the timing chain broke, but if this were the case then the distributer could not turn to provide a spark. There has been no noise or ocurring problems prior to this. My only other concern is that I rinsed off the engine on Sunday and drove it in the garage. I didn't try to start it again until Thursday. I know this is long winded, but I've tried to be thorough. I'm puzzled and don't want to have it towed to my mechanic if it's a relay or something I can repair.

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