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I have a 1995 gmc yukon with TBI 5.7L the problem that i am
I have a 1995 gmc yukon with TBI 5.7L the problem that i am having is that the truck boggs down under heavy acceleration, if I press on the pedal lightly or normal use I won't bogg but as soon as i do… read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
5,524 satisfied customers
I have a 92 GMC yukon with a 5.7 TBi, The problem started
I have a 92 GMC yukon with a 5.7 TBi, The problem started with a hesitation or lag when at highway speed as well as "short shifting" or "under gearing". I have done a complete TBI rebuild (which it tu… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
2000 Jimmy 4.3 Starts, idles a bit rough, not bad. any
2000 Jimmy 4.3 Starts, idles a bit rough, not bad. any attempt to accelerate the engine bucks misfires, almost stalls...the scanner reads rich/lean at idle on both o2 sensors but when throttle is put … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
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95 5.7L with TBI. Idles erratically. will either idle fast
95 5.7L with TBI. Idles erratically. will either idle fast or drop rpm like its going to stall. … read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
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I had trouble with my 1994 GMC C2500 5.7l stalling when I
I had trouble with my 1994 GMC C2500 5.7l stalling when I put it into gear had no power miss firing no check engine light so I have replaced the IAC, TPS, Fuel pump, Mapp Sensor engine coolant temp Se… read more
Peter Bagley
Peter Bagley
master technition
Vocational, Technical or Trade School
1,468 satisfied customers
GMC sonoma 1993 4.3. Engine was rebuilt, all components were
GMC sonoma 1993 4.3. Engine was rebuilt, all components were replaced, fuel pump, pressure regulator, injectors, distributor, spark control, rotor, cap, wires, throttle position, knock sensors, idle c… read more
sprinkles08
sprinkles08
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GMC C3500 Sierra 4x2: i have a 1988gmc35007.4engine you can
i have a 1988gmc35007.4engine you can see the tbi dumpingfuel and fouling plugs how do you slow down the amount of fuel… read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,324 satisfied customers
GMC: Hi, I have a 1993 GMC Sierra K1500 that was running great.
Hi, I have a 1993 GMC Sierra K1500 that was running great. Two days ago while driving down the freeway my radiator hose was cut by the radiator shroud blowing coolant everywhere. I fixed it on the sid… read more
cory cooper
cory cooper
Charter Business
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136 satisfied customers
GMC K1500: I have a K1500 chevy 4x4 , I had to remove a 305,
I have a K1500 chevy 4x4 , I had to remove a 305, and install a TBI 350 back in the truck. I bought it with the 305 someone tried to make work--Wrong! I removed the 305 and it had on the drivers side … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC: I have a 92 gmc topkick with a 366 tbi it runs good up
I have a 92 gmc topkick with a 366 tbi it runs good up to 3000 rpm and then starts to cut out and back fire through the tbi like it's out of time also the overspeed light comes on in the dash it has n… read more
Tim\u0027s Auto Repair
Tim\u0027s Auto Repair
Mechanic
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14,754 satisfied customers
GMC Cabellero: What is preventing me from setting base timing
What is preventing me from setting base timing on 1987 4.3 TBI GMC Cabellero.Set #1 on tdc and set on #1 cylinder on cap,disconnected tan&black wire. Engine will not start.Connect tan &black wire and … read more
shawnrbaldwin
shawnrbaldwin
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GMC Sierra K1500 SLE, 5.7, TBI, 4x4: Vehicle: Just purchased
Vehicle: Just purchased a 1993 GMC Sierra, SLE K1500, 4x4, short bed, reg cab, 5.7L TBI, swapped in a Turbo 400 transmission. Truck has 120,000 miles on the body. At 100,000 miles the previous owner b… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,117 satisfied customers
I have a 1990 gmc sierra 5.7. I rebuilt the engine and it
I have a 1990 gmc sierra 5.7. I rebuilt the engine and it idles REALLY high. Here is what I got 383 stroker kit, Dart SHP aluminum heads. Holly pro-jection intake. TBI off a 454. I had to re-wire the … read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,117 satisfied customers
My GMC pickup has some issues with hesitation when accelerating,
My GMC pickup has some issues with hesitation when accelerating, coughing and backfiring. The fuel pressure is 9 psi. The plugs look good and are gaped properly. I haven't found any vacuum leaks. The … read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,324 satisfied customers
GMC Suburban K25/K2500 4x4: 1995 suburban with a 454. The engine
1995 suburban with a 454. The engine kicked back on start up and broke the nose off the starter Friday. The kick back on start up problem started about a month ago. Checked timing, replaced cap and ro… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC G3500 Van Vandura: I have a 1995 gmc/g3500/5.7 tbi van,
I have a 1995 gmc/g3500/5.7 tbi van, its a used ryder box van. The engine started pinging at first now its knocking real bad. Replaced the knock sensor but no help, the engine also has no power any id… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Seira 1500 PU: 1998 GMC, 1500, 5.0, code 300, 305, replaced
1998 GMC, 1500, 5.0, code 300, 305, replaced plugs,wires, cap, rotor. Fuel injection clnr. in tank. Still runs ruff, code 300 and 1351. Need a new coil? Need to replace injectors?… read more
Don Knight
Don Knight
Shop Manager/Technican
Associate Degree
1,471 satisfied customers
Gmc: 1996 yukOn 2 cylinder missing out Ive changed plugs,
1996 yukOn 2 cylinder missing out I've changed plugs, Plug wires, distributor cap, and rotor button or cap. Still has miss I'm at a lose can you help, what else should I check or try. Oxygen sensors c… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
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