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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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post #1 of 2 (permalink) Old 08-18-2005, 06:16 PM Thread Starter
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Allright,, lets start with what been wrong with the car.

When i first turn my car on, the idle jumps from a little higher than normal idle, down to almost dieing, then bounces back up. It usually does this about 3 or 4 times. After that the idle becomes solid and remains somewhere between 700 and 800 rpms. On some occasions i have turned it on, and on the bounce the car never recovers and simply dies. This does not happen everyday though. used

Now, today when i turned it on, it went straight to dieing, i tried it again and it cranked but died again. Third time.. same thing. ghead What i ended up doing, since i needed to get home, was turning the car on, and holding the idle manually with my foot on the peddle to stop the engine from dieing. I had to maintain the idle the whole way home (home was only like 3-4 miles away though) Now, everything is fine, if i turn it on it will hold the idle itself.

So... i ran the codes, its a 1993 318i equiped w/ OBI Diagnostics, and i came up with the code:

1286 - Knock Control test Pulse

I have no idea what that is and thats the problem. What does this mean and what could be the problem. I had thought a while back that i might have a dirty idle control valve, cause i had read something on that.... but my fault code really has nothing to do with that, or does it.

I don't know but im frustrated. Please help, any help possilbe will be greatly appreciated.

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post #2 of 2 (permalink) Old 08-19-2005, 07:15 AM
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The manual says "check DME control module inputs and outputs. Control module may be faulty."

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