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I have a 2010 Hummer h3 and ive been having issues with

Customer Question
Hello goodmorning. I have...

Hello goodmorning. I have a 2010 Hummer h3 and ive been having issues with reduced power stab system after maybe 15mins of car running, specially while in park or at a light. It drives but doesnt accelerate past 30-40 miles an hr, and i have to turn car off and on

Mechanic's Assistant: Huh?

Yes hello goodmorning. I have a 2010 Hummer h3 and ive been having issues with reduced power stab system after maybe 15mins of car running, specially while in park or at a light. It drives but doesnt accelerate past 30-40 miles an hr, and i have to turn car off and on

Mechanic's Assistant: Huh?

Am i speaking to a robot?

Mechanic's Assistant: Nice car. The GMC Mechanic can help you with your '10 h3 . Are you hoping to fix this yourself?

Yes how do i resolve this issue

Mechanic's Assistant: Great! What have you tried so far? Are you ready to speak with the GMC Mechanic now?

Ive replaced the spark plugs which temporarily fixed the issue for a week and the issue came right back. What can normlly fix this issue?

Submitted: 2 years ago.Category: GMC
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Answered in 11 minutes by:
2/24/2016
GMC Mechanic: Greg Jensen,
 replied 2 years ago
Greg Jensen
Category: GMC
Satisfied Customers: 16
Experience: Master Automotive Technician at Blade Chevrolet
Verified

Hello My name Is***** will try and help.

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GMC Mechanic: Greg Jensen,
 replied 2 years ago

Typically this issue is caused by either the throttle body, the wiring or the pedal inside. I would start by replacing the throttle body. is there a check engine light? possible code p2135?

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