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Chevrolet TrailBlazer Start Stall and Idle Problems

72 messages,  Last post on Nov 13, 2009 at 8:21 AM

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#32 of 72 06 Trailblazer hard to start by dete5 Dec 22, 2007 (2:01 pm)
Replying to: tblazed (Nov 09, 2007 6:28 am) I bought an '06 TB in September of this year. Have had a problem with it ever since I got it in that it is hard to start and keep running until it warms up thoroughly. It almost seems like it is flooded, which is weird because it's injected. I have taken it to the stealership twice: the first time they said that I had alcohol in my gas. I agreed 100% since all gas has alcohol. They then said that it would cost $400 to clean the tank and that it was not covered by warranty. I called BS.   I took it back after talking with the manager and he thought it might be the fuel pump. That got exchanged for a new one, they cleaned the tank and also replaced the crankshaft sensor (all under warranty), which they said was leaking oil. After all that, it's worse now than it was, which makes me think that we weren't event close the first time. Also, sometimes the tach stops working whenever it is especially hard to start the vehicle. It starts working again whenever I shut it down for a while and restart. All of these problems occur on the first start of the day, typically when the car is shut off for 8 hours or so.   I have seen some posts about O2 sensors. Could that be it? Does anyone have any ideas?   Thanks. Replies to this message: tblazed (Dec 23, 2007 7:05 am) dete5 (Jan 03, 2008 4:14 pm)
#33 of 72 Re: 06 Trailblazer hard to start [dete5] by tblazed Dec 23, 2007 (7:05 am)
Replying to: dete5 (Dec 22, 2007 2:01 pm) If it is indeed a gasoline problem, maybe you got the dregs off the bottom of the storage tank that was mostly water and alcohol, or they just restocked the tank and the crud got stirred up, or the alcohol didn't get blended evenly and you got more than 10% blend, anyway some of the major retailers will guarantee no problems from their gasoline and will pay the related repairs. Of course you have to prove it. Replies to this message: dete5 (Jan 03, 2008 4:14 pm)
#34 of 72 Re: 06 Trailblazer hard to start [tblazed] by dete5 Jan 03, 2008 (4:14 pm)
Replying to: tblazed (Dec 23, 2007 7:05 am) That's not it. They changed the fuel pump so that they could clean the tank out under warranty. Still have the same problem. Thanks though.
#35 of 72 Re: spark plugs & rpm gauge,volt gauge [wheeler57] by pjsantospolo Jan 17, 2008 (2:49 pm)
Replying to: wheeler57 (Feb 05, 2007 7:10 pm) Hi:   If your Trailblazer is 2002 or over, you will not see a V6. You will see instead a L6 (6 in line). The spark plugs are path through the valve cover. They are not placed as a V6 have it (near manifold).   To reach spark plugs you need to remove the black housing over the motor (I am not sure is the name of the part is a resonator - it slow down the engine sounds). Then you will see 6 holes with something electronic over it - those are the ignition coils. You need to remove each ignition coil (each one have a plug) and then behind that is the spark plug. You will need to use a special wrench for spark plugs to remove them and place it again in the same order.   I hope this helps.
#36 of 72 Re: IGNITION PROBLEMS [tblazed] by mayer04 Jan 21, 2008 (6:55 pm)
Replying to: tblazed (Nov 09, 2007 6:28 am) Our TB was recently in a wreck. There was only damage to the rear where the tail gait is. Mostly cosmetic. Recently , the car would not start . We thought it was try battery and we replaced it. Later on we found out that we needed to put the car in full park. When we did that it started. When my wife and i got off work we went to start the car and it would not start. We did the same steps before and nothing happens. We did notice that the brake pedal was locked. Could this have something to do with the car not starting Replies to this message: pjsantospolo (Jan 23, 2008 7:53 am)
#37 of 72 Re: IGNITION PROBLEMS [mayer04] by pjsantospolo Jan 23, 2008 (7:53 am)
Replying to: mayer04 (Jan 21, 2008 6:55 pm) Thanks. I found that the transmission cable was broken. The lever was in Park but the transmission stayed where it was before broken (R - Reverse). I changed the cable and done!
#38 of 72 06 Trailblazer - a lemon? by senecio Jan 30, 2008 (5:23 pm)
I bought an 06 Trailblazer and had my one year anniversary Dec 6th of 2008. It has been a NIGHTMARE since I bought it and the dealership won't buy it back. I was hoping there were similar issues that someone could suggest that I have them look at at the dealership, they are ready to total it so they don't have to look at it anymore, I didn't think that was a good solution. Here are a few of the issues: -Sounds and feels like driving on rumble strips at 45-70mph LOUDLY. -Tranny intermitant shifting problems -Mild intermitant vibration at 35-70 mph in gas pedal -Diminished Eng Capacity Light comes on and off - Intermitant 12mph max speed -Speed/Power cuts out randomly (no more acceleration regardless of gas pedal pressure) -Trac light intermitantly on -Check engine light intermitatly on -Clock auto resets itself occasionally -CD randomly pops out on startup or shut down or while driving -Vehicle shakes and chugs worse than a disel pickup on start up occasionally -Cruise control sometimes quits on its own -Replaced transmission pump/ignition switch -Torque converter locking up (tech told me potential problem) -Starter sometimes has issues, turn key and nothing...no click, hard turnover, nothing then wait 10-15 seconds and without touching the ignition switch the truck starts. -Continually warping rotors -Clunk on occasion when shifting from "P" to "R" or "R" to "D" -After startup while idling sometimes there is a loud clunk from the passenger side sounds like someone is kicking the side of the truck -Windows intermitantly work powering up -Transmission "whistles" when rpm's going up to shift occasionally -Radio/CD sometimes just shuts off That's about all I can think of off the top of my head I have had it in the shop at least 50 times in the past year and they keep telling me their computer doesn't say anything.....last week it lit up like the 4th of July but they still couldn't figure out why all the problems. If anyone can help with ideas that would be great, I don't know what else to do. It is all still under warrenty thank goodness!!!
#40 of 72 Engine Cranking, but not starting by maudit87 Feb 16, 2008 (8:14 am)
Hi everyone, I have a 1999 Chevy Trialblazer, the engine cranks but wont start. It gets fuel and spark. I'm not that good with engine, what are the possible problems, or how could I go about trouble shooting it?
#41 of 72 03 trailblazer fuel gauge problem by jim1135 Feb 20, 2008 (6:02 pm)
With key off or ignition on needle is at full. With engine running needle moves clockwise to straight down position. Help. What is possible problem to check before i have to spend big dollars.

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