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  1. OEM Issues
    It's throwing an occasional p0170 bank 1 running lean. It's had diagnostics 3xs with never new info. The code clears itself. I've cleaned throttle body and fuel injectors. Occasional idle issues where idols high (900ish) in colder weather and won't drop plus rough start/stops. Or in warm weather...
  2. The 02-09 "How-To" and DIY Section
    I want to start off by apologizing for the length of this post, but I believe it to be necessary in order to give all possibly important details. So, several weeks ago I noticed my mother's 07' Trailblazer I-6 had a tail light out and when I went to change it, I noticed the plastic housing...
  3. 02-09 General Tech Q&A
    Hello! I'm new here. I've searched the forums for my issue but haven't had any luck. So, here's my issue... When I fire it up, SOMETIMES, not all the time, the rpms fluctuate. It jumps back n forth between roughly 300-1000rpm. A few times it has even just died on me. If I give it a little gas...
  4. General
    Hi! My trailblazer has codes P0506, P0128, P0014. Main issues with it are it idles a bit rough/low. Sometimes I have to pump the gas to get the vehicle to start up. while I was driving the other day it all of a sudden just turned off? Hasn’t done it since. So far we’ve replaced the battery...
  5. OEM Issues
    hello all new to the forums today! i need your guys help today i changed my air filter, fuel filter oil, filter, spark plugs. and cleaned my throttle body i took it off and moved the plate a lot i held it open with my finger and cleaned all inside now i know that that is bad. i buttoned the car...
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