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fuel pump

  1. 05 GMC Envoy fuel problems

    The 02-09 "How-To" and DIY Section
    Hi! I have a 2005 GMC Envoy, SLT Elite 4x4 4200 series engine with 200,000 miles. I just bought my wife this vehicle a week ago. Drove fine for 4 days. Did the general inspection before I purchased it. I checked the oil stick first before doing an oil change. Was not...
  2. 05 GMC Envoy fuel problems

    The 02-09 "How-To" and DIY Section
    Hi! I have a 2005 GMC Envoy, SLT Elite 4x4 4200 series engine with 200,000 miles. I just bought my wife this vehicle a week ago. Drove fine for 4 days. Did the general inspection before I purchased it. I checked the oil stick first before doing an oil change. Was not...
  3. fuse 28 ( PCM1) keep blowing

    OEM Issues
    Hi all and Merry Xmas, just got a 2002 trailblazer 4.2 4 months ago i was driving 2 days ago and the engine just turned off all electrical works, the dashboard and all, but truck don't crank, so i checked my fuses and fuse 28 ( PCM1 ) was blown i replaced it, the truck cranked, turned on for...
  4. PCM1 keep blowing

    Engine Tunes/Mods
    DELETED Thread moved to OEM section
  5. 2005 Trailblazer no start/crank after running out of gas

    The 02-09 "How-To" and DIY Section
    I've been waiting for the weather to break here in Indiana before replacing the fuel pump. I pushed a little too far the other day and ran out of gas. I put some in, and it still refused to start. After a few minutes of trying to start, something weird happened. The chimes stopped working, it...
  6. Running out of options.. weird idle and loss of power

    OEM Issues
    Hey there, I have been putting some serious blood, sweat, and tears, (and money ), yet I am still having the same or similar issues happening. Recent repairs: Fan clutch and water pump installed Tension pulley replaced. camshaft position sensor replaced. both oxygen sensors cleaned Throttle...
  7. Melted wire inside fuel pump module

    General
    My 2004 Envoy would not start yesterday and realized the fuel pump was not running at start-up. After pulling the fuel pump, I realized there was a melted wire inside fuel pump module. It was the 2 wire connection that attaches to the fuel pump itself to the top inside part of the module. Fuel...
  8. 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...
  9. [SOLVED] Fuel Pump Filter Screen

    OEM Issues
    I need to replace my Fuel Pump Assembly (05 XUV) as the gauge sending unit finally failed, and I am outside the extended warranty. I read up on the sticky notes for the procedure and ordered BOSCH #67508 from Rockauto. Unit arrived with no filter screen, and instructions that "A new filter...
  10. P0455 and No power to Vent Valve

    General
    2005 Trailblazer 4.2L I6: Recently purchased this vehicle and had a new fuel pump installed since the fuel gauge was not working. Immediately afterwards, I was getting the P0455 code. Tried the new gas cap, then had them check their connections again, but still getting the code. Rather than...
  11. Replacing fuel pump

    General
    I just had my fuel pump replaced (80,000 miles). Just a shout out! You will probably need to replace all the fuel lines. The plastic clips that hold the fuel lines in place degrade over timeand they become difficult to remove.
  12. 2002 envoy apparent gas leak

    General
    Ok. So this is my problem with my Envoy. Every so often in the past 3-6 months I have had people say that they can smell gas when the ride in the vehicle, and one said it while walking past the vehicle. I have not had any Leaks on the ground as far as I can tell. I did notice the other day...
  13. Fuel pump no power

    OEM Issues
    Had trouble starting my trailblazer, I replaced the fuel filter and pump, checked the relays. For some reason the fuel pump is not kicking on, checked all the connectors and they are fine just not getting power. The relay however is getting power. its not the pump because the main power...
  14. Stranded out of town...PLEASE HELP!!

    General
    :bonk:I tuned up my TB this past weekend 165,000 miles on it. I drove from TN to Illinois yesterday and it did fine, even got about 24 MPG. Ran great, no trrouble what so ever. I got up this morning, started right up. I went back in the hotel, came out to start it to go somewhere, it started...
  15. Stranded out of town...PLEASE HELP!!

    General
    :bonk:I tuned up my TB this past weekend 165,000 miles on it. I drove from TN to Illinois yesterday and it did fine, even got about 24 MPG. Ran great, no trrouble what so ever. I got up this morning, started right up. I went back in the hotel, came out to start it to go somewhere, it started...
  16. Fuel pump

    General
    Okay so i got my 2002 Trailblazer LS 2WD engine in. and it turns out my fuel pump went because it sat for so long. I guess there are 2 different fuel pumps and they correspond with wheel base size and i dont know which one i need, any help appreciated thanks
  17. Envoy Starting Problems

    General
    Hi everyone, I have a 2003 Envoy that is experiencing some serious starting issues. Sometimes it starts, and sometimes it won't. When it doesn't start, it won't even crank or attempt to turn over. All of the lights and electrical systems seem to be working, so it doesn't seem like a battery...
  18. [SOLVED] Fuel pump unit replacement, not complete assemoply.

    OEM Issues
    Hi guys. a few days ago, had some problmes with my TB and the result was "bad fuel pump" i guess for driving on low fuel level. I live in SLP, Mexico so find a new fuel pump Assembly wasn't as easy as i tought. At last, the dealer (stealer) tried to sell it on about USD 1000!!! :( plus...
  19. [SOLVED] 2002 envoy died while driving, not turning over

    OEM Issues
    Hello everyone, I am new to this trailvoy Forum. I have used it many times before and im many cases it has helped with my problems. I recently just had a problem with my envoy last week that I think I should share with all of you. Last week I was driving along and out of nowhere my truck stoped...
  20. Three Major Issues in a Row - Please advise

    Engine Tunes/Mods
    I've had my 2006 Trailblazer for four years and never had a problem. This past October I noticed that my coolant gauge kept fluctuating and then started to go way over to high. I went right in to the shop and they said the coolant was low, filled it up and sent me on my way. About two weeks...
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