Search results

Thanks Kenny Ray for the reply about the plenum gasket. I forgot to mention that I had also replaced it using dowel studs to prevent slippage/distortion. My problem appears to be a vacuum leak that I am still searching for. The truck only has 105k miles on it and sat up due to original owners...

1990 f250 4x4, 5.0, 5 speed, revs to 2500 and stays during shifting. I have to turn engine off to stop it. On cranking, engine revs to about 1500 for 10-15 seconds, then drops to about 650 and will idle all day at that speed. Top mechanic at national name tire and auto service center ( a friend...