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2002 2003 2004 2006 2007 4.2 4wd 4x4 a/c abs actuator air conditioning air suspension alternator amp arnott audio battery black bose brakes check engine light clean coolant custom differential electrical engine envoy exhaust ext fan clutch fuel fuel pump fuse gas gmc grille headlight headlights hid hids hvac idle ignition ignition switch install interior introduction leak led lift lift kit lifted lights misfire mod mods no start noise oem offroad oil olds bravada oldsmobile bravada p0300 paint pcm power steering radio rear reduced engine power replace rims rough idle sensor shocks speakers ss stalling starter stereo struts subwoofer suspension swap switch tbss tccm throttle body tires trailblazer transfer case transmission transmission problems vibration water pump wheels wiring xuv
  1. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    Hello everyone. I have been having issues with my 2008 GMC Envoy SLE w/ 4.2L Vortec / Approx. 200,000 miles. Mechanically speaking, I am a lame man, but I've compiled a write up on the issues and what has been done or considered to fix the problem. All respectful input is welcomed and...
    bogs deadspot in throttle misfire reduce engine power self revving
  2. OEM Issues
    I have a 2002 Chevy Trailblazer. I have been having problems with losing power (reduce engine power light). Most the time I can Just pull over kill it and it will go away and then go on. Sometimes if I leave the A/C off when I stop at a stop sign or red light it will not do it but sometimes it...
    help help help please reduce engine power throttle body
  3. The 02-09 "How-To" and DIY Section
    I have a 2003 trailblazer and have been battling for months with a “reduced engine power” light. I have no throttle. I replaced the gas pedal, the ecm, and the throttle body. I spoke to a mechanic yesterday and he said that I need to erase all the codes to get the proper relearn. How can I erase...
    reduce engine power
  4. OEM Issues
    Always glad that I found this forum so long ago! Wife's '02 (148K on it) Tblzr LTZ had the 'Check Engine Light' AND the 'Reduce Engine Power' light at the same time. Checked code and it came out as P1484 (it also had an A after the number). The OIL was down as well, actually seems to have...
    check engine light fan clutch oil loss reduce engine power
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