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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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#70 of 72 Odd Start by kbt Jun 25, 2009 (1:32 pm)
Our TB recently started not starting. No amount of waiting in between solves the problem. Radio, lights, displays all work, key turns but nothing happens, no click. Just doesn't start.   However, without fail, if you make a call on your cell phone while turning the key, it starts right up. We haven't needed it lately, so I haven't taken it to the dealer yet, but I'm trying to get a sense of what it could be before I go in.   Any clues why the cell phone does the trick? Replies to this message: burdawg (Jun 26, 2009 9:13 am)
#71 of 72 Re: Odd Start [kbt] by burdawg Jun 26, 2009 (9:13 am)
Replying to: kbt (Jun 25, 2009 1:32 pm) Is it at all possible that while your holding your phone you put different pressure on the key, such as holding at a different angle while turning it to start, than you do when you try starting it without using the phone? I ask because it may be possible the ignition switch is getting worn. Do you have a lot of weight hanging on the key?
#72 of 72 Re: loss of power when I turn on the defrost [burdawg] by amyjo13 Nov 13, 2009 (8:21 am)
Replying to: burdawg (Dec 11, 2008 6:41 am) I own a 2003 Trailblazer. Last night it started to idle funny. The rpms are normal then they slowly start to go way down the lights dim and just before it almost dies it gets a burst of power and the rpm's go back up to normal. I don't think it has anything to do with the defrost because I haven't had a problem with that until last night and I live up north and have been using my defrost for a month already. It stalled 2 times on the way to work this morning once when I was stopped at a stop light and teh second time when I slowed down to pull into my parking ramp at work. Any advice would be greatly appreciated. I have been told it maybe the fuel injections, oxygen sensor or fuel pump.

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