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Originally Posted by GTBarton  I own an 89 Bronco, 351 Winsor. I recently, in the past several months, have replaced the air-intake valve, new plugs & wires, air and crank filters, starter & relay, and the fuel filter and pump. After I had the plugs, wires and air-intake valve replaced, I did notice an improvement in the engine performance. Shortly after that my Bronco started to stall or completely shut off when I slowed down to stop or make a turn. I have to wait about 3-5 minutes to start it again, as it seems to drag if I try to do so immediately. I was told this was vapor lock and since I do smell gas after it does start, that would seem to be true. But I didn't think vapor lock was a problem with EFI. Any thoughts? |
I have the same thing with an 89 Bronco and 351 Windsor. I thought I had found the problem when I pulled off the whole manifold and found a snapped EGR line that was blasting hot exhaust ont he fuel distribution log...but once it got hot (Arizona) it did it again..... did you finally fix your problem? One of the posts I saw makes sense...sugggests venting the sealed cap..as I note that it does pressurize (negatively) when I open the cap.
