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89 chevy 5.7 idle good when it warms hear air in tbi runs
89 chevy 5.7 idle good when it warms hear air in tbi runs rough … read more
Tim's Auto Repair
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mechanic
High School or GED
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Idles a little rough. Gas pedal response is fine after it
Idles a little rough. Gas pedal response is fine after it warms up a little. But in drive poor pedal response and shifts hard. Sometimes as high as five grand before it shifts … read more
BOBBYSS
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1995 chevy 1500 pick up. cranks, wont start. no fuel from injectors.
1995 chevy 1500 pick up. cranks, wont start. no fuel from injectors. i add fuel to tbi and it starts injectors work but idle is around 1500 rps. iac valve is open. new aic valve, oil press switch, ect… read more
Gary
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Chevrolet V20 4x4: I have a 1987 chevy truck with a TBI 350.
I have a 1987 chevy truck with a TBI 350. Engine runs rough at start up, but runs great once truck goes in to closed loop. I have replaced basically every sensor and component except for the MAP senso… read more
VirtualWrench (L J)
VirtualWrench (L J)
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Chevrolet C2500 4x2: i have an 1988 chevy c2500 350 tbi (365,000
i have an 1988 chevy c2500 350 tbi (365,000 miles on original engine) was running fine started running rough and stalled at idle, determined the fuel injectors went out, replaced fuel injectors and re… read more
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cheverolet silverado c10 2wd: I have a 1987 cheverolet
I have a 1987 cheverolet Silverado c 10 with a 5.0 lt 305 c.i motor 2 wheel drive automatic trans at our shop ... in neutral or park runs great at normal operating temperature ... as soon as you put i… read more
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Chevrolet K1500 4x4: hello, I have a 94 chevy 1500 5.7 tbi
hello, I have a 94 chevy 1500 5.7 tbi and cant get it to start, it use to start fine when cold but not warm unless I floored it. I replaced the plugs, cap, rotor, coil, fuel tank and pump assembly, co… read more
Tim's Auto Repair
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Chevrolet k15000: Hi i have a 94 chev k1500 350 tbi. Rough
Hi i have a 94 chev k1500 350 tbi. Rough idle, the problems started in the fall when the temp droped and as it gets colder the rougher the idle is and have to give it gas just to keep it running. The … read more
jazzmaster
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special: ecm..tps map and iac sensors are replaced on a tbi 350 engine
is there a special procedure to reset the ecm when the tps map and iac sensors are replaced on a tbi 350 engine?… read more
zzdaryl
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93 Chevy: Silverado..V8..stalls..(Truck runs great when its cold) I
93 Chevy K1500 Silverado V8 350 motor..truck gets sluggish to the point to where it stalls after reaching operating temp (especially from a stop) found a damaged vaccuum line from a diaphram behind th… read more
kalamykid
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89 Camaro: Ran great..parked..black smoke and very rough engine
Have an 89 Camaro with TBI. Ran great until today. I parked it for about 4 hours and when I tried to start it I got black smoke and very rough engine. The injectors spray OK but too rich. No trouble c… read more
Tim's Auto Repair
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fuel pump and filter, plugs, wires, coil, cap, rotor, egr, map..gasket
Im having a major surging idle problem with my 90 burban. Heres the parts ive replaced; tps, iac, fuel pressure regulator, fuel pump and filter, plugs, wires, coil, cap, rotor, egr, map, and tbi gaske… read more
shane
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Associate Degree
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1993 Chevy: a 350 v-8 and tbi injector..idling..smooth..rough
Here goes. I have a 1993 Chevy Silverado with a 350 v-8 and tbi injector. After replacing the fuel pump, filter and ignition moduel, I still have a problem with it idling very low rpms and(but runs ve… read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
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89 chevy: ac..runs great..oxygen sensor, egr valve, engine temp
I have an 89 chevy k2500 silverado 4x4, 350 engine, auto trans, ac, ps, pb with 180 thousand miles. It runs great down the road but idles rough. To date I have replaced oxygen sensor, egr valve, engin… read more
supermechanic
supermechanic
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Vocational, Technical or Trade Scho
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90 Chevy Blazer: engine only runs..accelerator paddle..rough
90 Chevy Blazer (5.7 TBI)cold start problem . Starting up the cold engine, engine only runs by pressing accelerator paddle. Idle is very rough, sawing. If engine is warm, engine starts without pressin… read more
msarles1
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89 chev pu, 350 tbi, idles..dies..iac..fuel pump..000 miles
89 chev pu, 350 tbi, idles fine when cold, when in closed loop and you put in gear, engine slowly idles slower and finally dies, iac wrking fine, new fuel pump, coolant temp sensor, engine is a goodwr… read more
diagman
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1994 chevy truck: it warms up it runs fine..cap..rotor
1994 chevy truck with a TBI 350 runs rough and rich for first few minutes in morning. After it warms up it runs fine. Has new plugs, wires, cap and rotor. Fuel pressure is 13p.s.i.… read more
Davo
Davo
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Vocational, Technical or Trade Scho
1,644 satisfied customers
89 chevy blazer: cap,rotor,o2 sensor,wires,injectors..gasket..manifold
i have a 89 chevy blazer with the tbi 350 and i have a problem at idle she wont stay running seems to be running rich i put new plugs,cap,rotor,o2 sensor,wires,injectors,changed the oil,new gasket at … read more
AMEDEE
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GM Tech (Cam)

GM Tech (Cam)

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Gary

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Ron Z.

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