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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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I hv a po172 bank 1 code replaced mass air flow sensor would

Customer Question

I hv a po172 bank 1 rich code replaced mass air flow sensor would not go into closed loop now it does short trim fuel is - 20 cant figure out why bank one is rich
JA: Thanks. Can you give me any more details about your issue?
Customer: Cked for vacume leaks none detected
JA: OK got it. Last thing — Chevy Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 7 months ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 7 months ago.

Hi there, I am Cam.
Can I get your first name please?
I am not sure if you have used our service before or not. The experts here are third party contractors. Myself, I am a GM technician in a Gm dealership. I will be happy to help you. Please understand that my only compensation for the time spent helping you is by your rating of my service in a positive way. The more information you provide, the better the chances of getting your issue resolved. Also please reply if you have any followup questions.
So about your vehicle,

what is the make, model and year please?

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