1990 f150 Surge start up. Gear slip
#1
1990 f150 Surge start up. Gear slip
Hey everyone.
I am trying to trouble shoot 2 problems. Maybe related and may not. First is when I start the truck it will jump to 2000 rpm or over, Then drop, recently is has dropped so low it stalls. I can get past this if I start it and quickly put it into gear. The second is when I come to a complete stop. It will occasionally slip out of gear. I can't find a rhyme or reason to it. It seems to be random. If I rev then engine it will jump back in gear. But it is making the truck very unreliable when I need to stop and go.
Thanks in advance.
1990 f150 Lariat 5.0
automatic
I am trying to trouble shoot 2 problems. Maybe related and may not. First is when I start the truck it will jump to 2000 rpm or over, Then drop, recently is has dropped so low it stalls. I can get past this if I start it and quickly put it into gear. The second is when I come to a complete stop. It will occasionally slip out of gear. I can't find a rhyme or reason to it. It seems to be random. If I rev then engine it will jump back in gear. But it is making the truck very unreliable when I need to stop and go.
Thanks in advance.
1990 f150 Lariat 5.0
automatic