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fuel pump problem

  1. Help! I6 Swap, no longer starts

    Engine Tunes/Mods
    I have an 06 TB with the 4.2. The engine was knocking so I bought a used engine. It is out of a 2005. Since the head design is different along with one of the sensor locations, I re-routed the wiring to the "new location". I swapped out the fuel rail because they were different. Once it was...
  2. Fuel Pump Issues 2004 Trailblazer

    OEM Issues
    Hello Trailvoy, So the other day my son was installing his subwoofers into his 2004 Trailblazer LS EXT. For some unknown reason, he drilled to close to the main set of wires traveling under the steering column. He immediately ran inside to tell me and as I looked closer, I noticed he had only...
  3. Trouble starting my tb every now and then

    OEM Issues
    hey my TB every now and then does not wanna start for me it will start after about 15 minutes of trying. this doesnt happen often ive realized that it only happens when i park and let it sit with around a quarter tank in gas and when its parked on a hill with the front facing up the hill (all...
  4. still stalling and dying trbl

    OEM Issues
    Hello All This is my first post but i have read and learned alot from you guys and gals. I have a 2004 GMC Envoy with around 75,000 miles. My problem started out with stalling and sometime dying. codes i have had p1133, p0133, p0132, p0171, p0172 i have replaced plugs, fuel filter, air filter...
  5. Intermitent fuel PO410 indicator

    Engine Tunes/Mods
    2005 TB, 4.2 75K About a month ago engine started dying, once at 70mph. Dealer could not find any problem. Car quit and would not start while out in the sticks, local shop replaced the fuel pump. Car still would not start at times, no problem other times. Had the ignition switch changed out...