Re: 1991 ford explorer
> i have a explorer whenever i put in drive or reverse it stalls what could
> the problem be
> neutral safety switch, modulator valve , i am lost any info would be great
Check for a vacuum leak first, also have your O2 sensor checked out. I
had the same problem and found vacuum caused mine.
BTW, the problem has cost me $400.00 so, it would be worth checking