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I have a 2001 GMC 3500 that jumps to full throttle as soon…

Customer Question
Hi I'm Rob and...

Hi I'm Rob and I have a 2001 GMC 3500 that jumps to full throttle as soon as I start it up. Any thoughts?

Mechanic's Assistant: Thanks. Can you give me any more details about your issue?

engine starts and goes right to full throttle and black smoke pours from the exhaust. it will shut down with the key. The PMD has been replaced previously and the lift pump is working.

Submitted: 2 years ago.Category: Chevy
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Answered in 44 minutes by:
2/24/2016
Chevy Mechanic: Tim's Auto Repair, mechanic replied 2 years ago
Tim's Auto Repair
Category: Chevy
Satisfied Customers: 16,246
Experience: Have owned a repair shop for 25 yrs.
Verified

Hi, My name is ***** ***** for the delay.

I will do my best to assist you.

what engine do you have?

does the engine light stay on?if so,can you give me the computer codes?

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Customer reply replied 2 years ago
I figured it out, thanks anyway.
Chevy Mechanic: Tim's Auto Repair, mechanic replied 2 years ago

GREAT,glad you got it

thanks

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