I was having the same issue on my 93 caravan, when about 2 wks ago
she ran fine on Tuesday but Wednesday morning wouldnt start AT
ALL, just cranked. Ive tried to start her a couple more times since then
but I have to press the gas pedal to the floor to get her to go enough to
let go of the key but as SOON as i let off the gas pedal she dies. My
brother, also my mechanic, finally had time to come by and diagnose
the problem today and weve concluded the issue is the: fuel pressure
regulator, which runs between 85-100 for my year at my closest
autozone.
my brother also forwarded a article link: 7 symptoms of a bad fuel
pressure regulator, i believe will help you figure out if its the regulator or
not. My car scored 6 out of 7, so mine will get replace when my bro
has time, but hopefully SOON!
hope this helps and good luck!
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