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Bucking Bimmer (archive)
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Posted by Tom on February 11, 2001 at 16:03:00:

Folks, My 84 528e just started bucking intermittently on the highway yesterday. I checked the archieves and the fuel pressure regulator and pump issues didn't seem to match my probs and I'm stumped.

Starts great. Idles fine. Has power. Outside temp ~ 40 degrees f, no rain.

Bucking occures at all speeds, cruise or no-cruise and all fuel tank levels.

Just one or two (maybe three) bucks, then runs fine for 5 mins, then another buck or two, then 10 mins more, etc.

I could duplicate the bucking by tapping/punching the accelerator and quickly letting off.

Seems like a split second loss of fuel.

Any takers?

Thanks in advance


Tom
84 528e 197k

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