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Low engine power have replaced all 3 parts associated with…

Customer Question
Low engine power have...

Low engine power have replaced all 3 parts associated with this problem and it is still not working

Mechanic's Assistant: How many miles are on the car? Is it an automatic or a manual transmission?

230000 automatic

Mechanic's Assistant: What is the model/year of your GM?

2003 Yukon 5liter

Mechanic's Assistant: Are you fixing your Yukon yourself? What have you tried so far?

REPLACED THE SENSOR ON THE GAS PEDAL, REMOVED THROTTLE BODY AND CLEANED REPLACED THE PCM AND THEECM.NEW MASS AIR FLOW SENSOR CHECKED ALL GROUNDS AND BATTERY VOLTAGE AND CONNECTIONSREPLACED THE TAC MODULE ALSO, STILL REDUCED ENGINE POWER

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

NO THATS IT AND YES I BROUGHT IT TO 2 TECHNICIANS THAT DID ALL THAT WORK AND IT IS STILL BROKEN

Submitted: 7 months ago.Category: GM
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Answered in 2 minutes by:
12/17/2017
GM Mechanic: Gary, GMC Technician replied 7 months ago
Gary
Gary, GMC Technician
Category: GM
Satisfied Customers: 18,019
Experience: 15 years gm master tech/15 years ASE master tech
Verified

Welcome! My name is ***** ***** I will do my best to assist you with this problem.

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GM Mechanic: Gary, GMC Technician replied 7 months ago

can you tell me what code or codes it is setting ?

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GM Mechanic: Gary, GMC Technician replied 7 months ago

let me know

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