Mechanics

FORD F-250 SENSOR PROBLEM

1989 Ford F-250 • 200,000 miles

After im idling in an intersection I start out seems to jerk as if im not getting fuel, I have to press gas hard to keep it moving and going ive replaced lots of sensors, distributor, starter.
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Kitsune2701
March 6, 2013.



You have a OBD 1, you can always get a flash code, the disadvantage is you cant get a key on engine running code. When you say you did the distributor the whole distributor which has the hall effect, which is the magnetic pick up, because this can do it The MAP sensor is the next candidate, The TPS sensor can do this and so can fuel pressure. These are component that can cause what you describe. Check the vacuum hose to the MAP sensor make sure its not rupture, and the MAP sensor itself, which does gel

Tiny
Randico
Mar 6, 2013.
Clean the throttle plate onboth sides as well as iac and check yoru fuel pressure it's probably loww

Hmac300
Mar 6, 2013.