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1993 Ford E-Series Van transmission

Tiny
BIGFLUFF1992
  • MEMBER
  • 1993 FORD E-SERIES VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
This is a Ford e 350 motor home with a 351 Windsor but I was having to drive it to work while I was rebuilding the engine for my truck it ran great but after a few days it would only run about 30 miles per hour when you give it more gas it downshifts but it loses speed even going downhill it Will not go above 35 and I could barely make it over a single story overpass I don't know if it is the maf or a vacuum issue I'm not real fond of fords I have changed the oil air filter spark plugs just a normal tune up pretty much and I've cleaned the maf sensor but I've never had any luck with that before in the past and it shows no codes so I'm just lost on it unless I drop money on random things it might not be any suggestions are appreciated
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Monday, July 14th, 2014 AT 8:01 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you performed a back pressure test on the exhaust yet?
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Monday, July 14th, 2014 AT 9:12 PM
Tiny
BIGFLUFF1992
  • MEMBER
  • 8 POSTS
No I have not how exactly would I go about that?
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Monday, July 14th, 2014 AT 9:25 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The easiest way would be to take it to a exhaust and have them do it. Otherwise you would have to buy a back pressure tester and do the test yourself.
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Monday, July 14th, 2014 AT 9:45 PM

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