Question about 1990 Ford F150
We have a 1996 f150 with a 4.9 6 cyl. it takes ether to start it then will idle but when you accelerate at all it dies. weve tuned it up, mapp sensor ok, throttle position sensor ok, what can it be?
Yes checked fuel pressure and replaced the fuel filter, checked the mapp sensor,tested throttle position sensor, has strong spark, 50psi fuel pressure, fresh tune up, runs real rich and rough idle but wont rev up like fuel injectors arent speeding up, also checked exhaust. thanks julius
Posted on Oct 10, 2008
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