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1991 chevy s10 2.8 90000 miles
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jdavis91
New User
Aug 21, 2013, 5:15 PM
Post #1 of 2
(1107 views)
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1991 chevy s10 2.8 90000 miles
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The truck won't stay running. It will suck air on the gas and pick up when I let off. Idles up and down. I have changed tbps, O2 sensor, air idle control value, and map sensor. Vacum leaks don't seem to be the problem. I can unplug the map sensor vacum line and it will idle up and accelerate fine for just a few seconds. Will stall if I don't put the line back in and then stall if I don't pull it back off. Fuel pressure is ok, changed fuel fillter too and spark plugs. Also the distributer cap is only a few years old and if I try to turn it, it shocks me. Any suggestions would be greatly appreciated.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 21, 2013, 7:02 PM
Post #2 of 2
(1096 views)
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Re: 1991 chevy s10 2.8 90000 miles
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Please don't create duplicate questions
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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