1994 chevy pickup

1994 CHEVROLET TRUCK
V8 • 4WD • AUTOMATIC
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KEVIN CARMAN
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i have a 1994 chevy 1\2 ton v8 4weel drive pickup. i cant get it to run right. wheen i have it in park it runs great but wheen i put it in gear and go to take off it acts like its running out of gas just untell i get up to about 10mph. i have changed the thortal position senser air intake senser o2 senser fuel filters plugs wires cap and roater.
Nov 24, 2010 at 7:48 PM
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HMAC300
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check your fuel pressure. it shold be 9-11psi. Run a scan on your engine and see if there are any codes. you might have something else screwing up causing your problem instead of randomly changing parts. Also with a tbi unit, check for avacuumleak under the unit and a soft hose going to the map sensor onthe firewall. if it's soft replace it as it may be effecting your map sensor.
Nov 24, 2010 at 8:02 PM