O2 Sensor Problems of Chevrolet Trailblazer

The contact owns a 2005 Chevrolet Trailblazer. The contact stated that while driving at approximately 45 mph, the check engine warning indicator illuminated and the vehicle stalled afterwards. After approximately two minutes, the vehicle started normally. The vehicle was driven to the dealer and the diagnosis was that the abs sensor, the oxygen sensor, the brake pads, the cluster module and the fuel sender lever had to be replaced. The vehicle was being repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 178,000. The VIN was not available.

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Within a week's several items in my instrument cluster failed - including the O2 sensor & my oil sending sensor. . . Looking at the complaints listed on this sight, I see it is a huge issue for many Trailblazer owners. Very frustrating that nothing has been done to make gm fix these problems!.

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When I first purchased this vehicle I thought I had a great SUV. Little did I know that within the first month of owning it did I make a huge mistake. I am a single mother of 2 kids. I checked out the crash ratings and they were great!! I liked everything about my tb. Looking back, after the 4th problem within that first month. I should have ran away screaming from it, as I do now daily. The lights flicker when you drive at night. The headlights constantly go out. The check gauges light is constantly coming on. The oil pressure gauge drops for no apparent reason. The tach goes crazy. The "bell" for the lights (when you have the keys out and the lights are still on, or when you have the keys in and the drivers door open) works when it wants to. The battery guage works when it feels like it. The gas guage hasn't had a problem lately. I am wondering. . . Doesn't all of that constitue as a safety problem?? I have had the lights looked at and am told there isn't anything that can be done. . Really?? I am going to have to have the guages looked at now and from what I see it will cost about $600-$800. Where other chevy vehicles have had this covered under a recall. There are many other problems I've had, the O2 sensor, temp guage, other lighing issues that I have taken care of but this is getting to be a bit much. I see many others have had this problem. It can't be from normal wear on the vehicle. Please do something about this before someones family really gets hurt, if they haven't already.

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On November 26 2007 took my chevy Trailblazer 04 4 wheel dr. In for steering wheel shimmy. Could not duplicate. Also c. D. Changer will not eject cd's and low beams on headlights not working. Repaired headlights and c. D. Changer. Did not fix steering problem. On June 07 took in for major service with 33,000 miles. On Dec. 8 2008 took in for stalling when coming to a stop. Could not duplicate the problem. This is my main complaint, the stalling on Jan. . 10 2009 took in for erratic speedometer which was happening for about 3 months off and on. Rebuilt the speedometer. On June 11 2009 took car in for stalling, ses lamp comes on when driving and hvac fan does not blow on the #5 position. There is alot of grinding and whining when vehicle shifts to second gear. And turning at low speeds there is a whining coming from the front end. Removed and replaced 02 sensor. For the stalling they could not verify concern. Recommended throttle body DE-carb and injection system cleaning. For the #5 fan not working removed and replaced speed control resistor. Transmission they could not feel any unusual shifting. For the steering prob. Replaced power steering pump and power steering gear. Car still stalling on 6-19 -09. Took in. Did another decarb service and replace fuel filter. Still stalls. 7-01-09 when car starts there is a loud clutch fan noise like a jet taking off. Feels like the trans is overworking, veryloud not right. Fix,was fancontrol set im properly trouble code p0483 . Bulletin 05-06-02-004 reprogram pcm. Claim code1013b. July 8 took car for stalling issue July 9 took car for stalling issue July 10 took car for stalling issues no paper work for these 3 days they were trying to recreate the stalling issue. July 20 2009 in shop for 16 days for stalling issue they finally confirmed . Replaced pcm. They called in tech assistance case #10971267 he said to perform top engine cleaning. Outcome is cannot guarantee repairs at this time due to how random this prob occurs.

Back hatch and window will only open occasionally if I'm lucky. Tail lights went out once and I was able to get the hatch open to fix it. They are out again and I can't get the hatch to open now. I have been replacing head lamps about every 8 to 10 months. Head lights are now going off for no apparent reason while I'm driving at night. I can flip on the brights and then wait a few minutes and flip back to low beams, sometimes this works sometimes it doesn't. The dome lights will not come on and stay on after I turn it off. Half of the dash lights for the radio are out, sometimes they will come on if I tap them. The feature that lets you turn the vehicle off and the radio will continue to play and the windows will still roll down as long as you don't open the door, is not working. Both O2 sensors are out and have been for a long time. I purchased this SUV brand new from a chevy dealer. I have paid it off and kept up all of the general maintenance on it. When I took it in to get these issues fixed I was told it would be over $2500. 00 to fix and that did not include labor. This SUV is a lemon, if I was in a position to trade it in or buy a new one I would, and I would not be getting another chevy. I have never been notified of any recalls. I only found out about the electrical recalls on the turn signals and tail lights because a friend had heard about them and suggested a website to check. I'm calling the dealer today to see if I can get these issues taken care of. Another reason I will not be buying chevy again.

I bought a 2005 Trailblazer in 2006. There was alot of hissing from the speakers, which they replaced but it never fixed the problem. I already fixed the oxygen sensor and now I notice the lights go dim and bright and it seems to lose power. It only has 36,000 miles on it. Everytime I bring it in it doesn't happen so no one knows what it is. I have 2 small kids and it's cold in wisconsin so if it ever dies in the middle of the country who knows what could happen.

Electronic exterior rearview mirrors and power seat engage and operate by themselves. Dealership cannot fix the problem. The memory for the mirrors and seat would not keep their position. When the consumer entered or exited the vehicle the systems would reset to a new position. Occasionally they moved while the vehicle was in motion. The dealer has replaced many components but the problem still exist. The check engine light illuminated. The dealer replaced the oxygen sensor. The a/c control mode button became stuck and was noisy. The dealer replaced the a/c module head. The left windshield wiper chattered and skipped. The dealer replaced the wiper insert. The 4wd switch fluctuated between 4wh and a4wh. The dealer inspected the vehicle and replaced the transfer case select switch.

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The brake light went out multiple times without warning. The dealer was aware of the problem. There were no incidents to report at this time. The consumer stated when the vehicle was warm, the was a noise in the front end, the dealer replaced the axle seal and bearing, the O2 oxygen sensor was replaced. The 4-wheel drive was inoperative.