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Chris (aka-Moose)
Chris (aka-Moose), GMC Technician
Category: GMC
Satisfied Customers: 48365
Experience:  16 years of experience
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Throwing injector group code when under load for cylindars 2

Customer Question

throwing injector group code when under load for cylindars 2 and 5
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: yes I can reset it and it wont return until under a decent load, p2152
JA: What is the model/year of your GM?
Customer: have also seen p1227 at other times, I know that there are certain chaffing areas on the harness just not sure exactly where to look 07.5, LMM
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: pulled the #2 injector plug off to look for corrosion or browning, connector looked good, that's all I have done so far
JA: Anything else you want the mechanic to know before I connect you?
Customer: I suspect wire chaffing just don't know the specific areas to look
Submitted: 9 months ago.
Category: GMC
Expert:  Chris (aka-Moose) replied 9 months ago.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.

While running with the check engine light off, if you wiggle the wire harness can you make this fault occur?

Customer: replied 9 months ago.
No check engine light stays off whenever I've touched the harness so far.
Expert:  Chris (aka-Moose) replied 9 months ago.

Have you done the diagnostic steps for the codes you got and or do you need those steps?

Expert:  Chris (aka-Moose) replied 9 months ago.

Hello again Chris here,

  1. I have to assume you were not pleased with my help, because you have not replied or rated the post.
  2. What would you like to do regarding your question now?
  3. Do you still need help? Please reply I want you to get equal to or more than what you paid for.
  4. This post is coming up on the 7 day mark where it times out. That can prevent me from being able to post answers to your replies.

Thanks Chris