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Why does my truck stalls when I shift gears,from a stop

Customer Question
why does my truck stalls when I shift gears,from a stop
Submitted: 1 year ago.Category: GMC
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Answered in 4 minutes by:
6/6/2016
GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago
joeplow
joeplow, ASE Certified Technician
Category: GMC
Satisfied Customers: 1,354
Experience: Have extensive experience since 1974,engines,ac, & Transmissions since1978
Verified

Is THIS a Auto or Standard Shift ?

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Customer reply replied 1 year ago
auto
Customer reply replied 1 year ago
does not stalls all the time more after is warm
GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

Ok , So have you tried to hold the brake & slowly give it the gas ?

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GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

does it stall then ?

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Customer reply replied 1 year ago
I put it in parking and is fine if I shift to drive it wants to stall
Customer reply replied 1 year ago
If i give it more gas ill take off.like a lot of gas
GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

Ok , this could be the Torque convertor Clutch, mostly if it has the 4L80-E Transmission

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Customer reply replied 1 year ago
I do not think so when is cold it rans ok. feels like a fuel problem
GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

ell if it Kills the engine quick with a strong thump its the clutch, however if its just light it sounds like the throttle body should be cleaned.....look under the flaps or as we say butterflies on the throttle body.....has to be very clean to make gas a vapor

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GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

just spray with carb cleaner & use like a old tie shirt to clean

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GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

Also you should put 2 bottle of throttle body & injector clearer ,with High Grade gas like Sunoco High Test

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GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

got it ?

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Customer reply replied 1 year ago
it does not make any noise and when on hi speed it feel sometimes like is as cuts out but keeps running
GMC Mechanic: joeplow, ASE Certified Technician replied 1 year ago

exactly check & clean

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joeplow
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Category: GMC
Satisfied Customers: 1,354
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Experience: Have extensive experience since 1974,engines,ac, & Transmissions since1978

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