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Old 07-12-2012, 11:48 PM   #1
Laser145
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Join Date: Oct 2011
Location: Brooklyn, New York
Posts: 137
Engine runs better with MAP sensor unplugged?

Spent my first day with my new truck fishing through a few issues...

Details: 87 350 TBI

The truck idles very well. If you're extremely gentle on the accelerator then it drive fine... If you apply much gas at all, the truck bogs down hard.

Noticed the map sensor was unplugged, strange... plugged it in and it made the idle loopy and made the truck run much worse. I had a new map sensor...plugged it in, same thing.

I haven't replaced the fuel filter yet, but I will be Saturday.

Any ideas on the MAP sensor making things worse?

Cheers
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1987 R10
1976 K10
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