Diagnosis of P0174/P0200.
Thread Starter
Teching In
Joined: Jun 2006
Posts: 10
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From: Round Rock, Texas
Diagnosis of P0174/P0200. I bought my 00 Z28 from a friend who was the second owner. The original owner did all the work to the car or had it done at MTI. I know that it was tuned by MTI and so I'm guessing the full LS1 edit. That was about 4 years ago.
The SES light comes and goes. I was able to finally pull the codes and got this...
P0174 - System to Lean (Bank2)
P0200 - Injector Circuit Malfunction
It was suggested that might be an O2 sensor problem, but I obviously don't know for sure or I wouldn't be posting.
All .02 appreciated
The SES light comes and goes. I was able to finally pull the codes and got this...
P0174 - System to Lean (Bank2)
P0200 - Injector Circuit Malfunction
It was suggested that might be an O2 sensor problem, but I obviously don't know for sure or I wouldn't be posting.
All .02 appreciated
Thread Starter
Teching In
Joined: Jun 2006
Posts: 10
Likes: 0
From: Round Rock, Texas
The car hasn't been "touched" in over 2 1/2 years and in that time it has only had about 5, oooo miles put on it. Surely, hopefully, an injector isn't going bad?????? Occasionally it will want to idle at about 1100-1200 rpms, usual is 900...
sounds like an injector issue hence the p0200 code...the system lean code just backs that other one up...if an injector isnt firing correctly it could cause a lean condition on that bank.
Thread Starter
Teching In
Joined: Jun 2006
Posts: 10
Likes: 0
From: Round Rock, Texas
After pulling my head out of my *** with a little help, i think that the answer may have been the obvious. The car sat lots during winter, gas goes crappy which is no good for injectors. Sounds like it is time to blow the soot out!!!
