Re: 1991 Ford Explorer warm startup problems


"Cam" <cmcdougle@xxxxxxxxxxx> wrote in message
news:1137556976.948415.112400@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>I have a 1991 Ford Explorer V6 4.0L. When I start it up when it has
> been run for about 10 or more miles and has cooled for a few minutes,
> it has trouble starting up again. It will start up, get to about 1,000
> rpm and die. It usually runs at about 1,000 rpm. It will do that a few
> times, then it starts getting better, or if I wait for a minute it will
> get better. When it does, it runs around 600-700 rpm, like it is
> starving.
> I replaced the O2 sensor, and it seemed to get better for a week or so,
> but it started happening again gradually. I replaced the fuel filter,
> but it didn't help. Does anyone know why this would happen?

Did you do a diagnostic test on it that said you needed the O2 sensor?
If so, you may have more than one.....in mine, the check engine light came
on.... and brought it to a repair man who told me he needed to replace the
sensor.... it lasted about 2 weeks when the light came on again... brought
it back and he replaced the second one and that fixed the problem....
nothing since..

Fwed


.

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