I just thought back about my 1987 F.I. S-10 pickup. When I first got it, it wouldn't accelerate. It would idle fine but when I tried to rev it up, it would pop and carry on like it had a F.I. problem. I tried different parts to no avail. Finally someone told me to pull the oxygen sensor out and see if it would rev up. I did, and it did. Turned out the catalytic converter was plugged up. Replaced it and all was fine.
Does your's have a catalytic converter?
You can start it and with it idling, see how much exhaust pressure is coming out the tail pipe. If you can't feel it puffing on your hand, you may have a plugged cat converter on your hands.
__________________
Paul Carter
Carter Cryogenics
www.cartercryo.com
520-409-7236
Koerner Racing Engines
You killed it, We build it!
520-294-5758
64 GTO, under re-construction, 412 CID, also under construction.
87 S-10 Pickup, 321,000 miles
99Monte Carlo, 293,000 miles
86 Bronco, 218,000 miles
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