Engine shuts off at 2000rpms on 1994 Ford F-350

I've tried the ford dealer and other mechanics and no one can fix it, it shuts after reaching 2000 rpms Help This is on a 1994 ford f350 extended cab

by in Norwood, NY on June 19, 2010
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1 answer
ANSWER by , May 13, 2011
if your truck has a 7.5l engine it probably is the psom (programmable spedo odomiter module)senser it is the chip directly behind the speedo needle. the only way to get one is to go to a junk yard