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Chevrolet Suburban K1500 4x4: also when i put start to take…

Customer Question
also when i put start...
also when i put start to take off it sputters then gets going
Submitted: 3 years ago.Category: Chevy
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Answered in 1 minute by:
6/10/2015
Chevy Mechanic: Tim's Auto Repair, mechanic replied 3 years ago
Tim's Auto Repair
Category: Chevy
Satisfied Customers: 16,247
Experience: Have owned a repair shop for 25 yrs.
Verified
Hi,My name is Tim,
I will do my best to assist you
what is the year model?
what all have you tried/replaced trying to fix this problem?
does the engine light stay on?if so,can you give me the computer codes?
tell me all you can
thanks
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Customer reply replied 3 years ago

1994 k1500 4x4 suburban

Chevy Mechanic: Tim's Auto Repair, mechanic replied 3 years ago
what all have you tried/replaced trying to fix this problem?
does the engine light stay on?if so,can you give me the computer codes?
tell me all you can
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Customer reply replied 3 years ago

fuel pump, fuel filter and coil new wires

Chevy Mechanic: Tim's Auto Repair, mechanic replied 3 years ago
does the engine light stay on?if so,can you give me the computer codes?
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Customer reply replied 3 years ago

no engine light on

Chevy Mechanic: Tim's Auto Repair, mechanic replied 3 years ago
ok
sense there is no engine light,,we need to check a couple of things here..
1-check the fuel pressure,these must have no less than 60psi at all times..i know you have already replaced the fuel pump,but it is common to get a bad new pump,,so,check the pressure
2-remove and clean the egr valve,sometimes the valve will get dirty with black soot and not close all the way thus causing a major vacuum leak from the exhaust.
3-the tps[throttle position sensor] i have seen these tps sensor go bad and not give a code for it
thanks
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