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fuel injection problem

prerunexp

Active Member
Joined
December 26, 2001
Messages
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City, State
El Segundo CA
Year, Model & Trim Level
93 ranger
hey i have a 93 ford ranger 4.0, its the same deal as the early explorers.
so my check engine light comes on and right when i come out of a dead stop the truck like dumps and hesitates for a second then takes off and then its fine. i took it to a shop and the guy said it was pulling a MAF sensor code, so he replaced it and it didnt fix it, so he put my old one back on.
sometimes if i am lucky i cane come up to a stop and rev it like crazy and the light will go off for a while the come back on in a few weeks, and its driing me nuts, do any of you know anything this could be
 






Try cleaning your old MAS and also make sure your air filter is in good condition. It could also be your TPS (throttle position sensor) going out.
 






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