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Re: OT: Motronics FI Q's (fishing for advice) (archive)
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Posted by XBeteNoirX on February 25, 2001 at 14:46:40:

In Reply to: OT: Motronics FI Q's (fishing for advice) posted by Jonathan T. on February 25, 2001 at 14:37:38:

What most mechanics would do under your circumstances is to swap your box with another unit to see if the same symptoms persist. Getting another box may be a problem.

Another approach is to tee a volt meter into the oxygen sensor leads to see if fuel starvation is a problem and under what circumstances. You need not concern yourself with precision values, merely the gross abscence of fuel under your test conditions.

Lastly, take the car to a Bosch BSC and have them do a diagnosis of computer and system performance. While a BMW dealer may be reluctant to mess with it, a BSC would probably work with you. Remember, all you want is diagnostics, not repair.

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