Might test the AFM
[Linked Image]
[Linked Image]
[Linked Image]

And the throttle position sensor,
[Linked Image]

Also check for vacuum leaks and cracks in the intake tubing.


More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed