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Old 06-21-2003, 10:24 PM
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2phast 2phast is offline
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Join Date: Jul 2001
Posts: 613
I hear ya, no vacuum leaks, like I mentioned, all the lines have been traced and replaced. Of course I have not ruled out the possibility of the ecu being bad, just trying to narrow down the possibilites first.

If it was a vacuum leak, would it be correct to assume that disconnecting the eha and running it in FOM mode would have no effect on the hesitation? Seems to me that a device somewhere is malfunctioning and senind an incorrect signal to the ecu which in turn is telling the eha to cut delivery of fuel
1993 500E
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