Shuts off while driving

Tiny
ALFLORES
  • 2005 CHEVROLET TRAILBLAZER

Engine Performance problem 6 cyl Two Wheel Drive Automatic 75000 miles

hi. My trailblazer shut off when I turn the a/c or heater, as soon I hit the a/c or heater rpm go down and engine shut off, please any help will be appreciate it, alflores thanks

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Sunday, March 16th, 2008 AT 1:52 AM

29 Replies

Tiny
RASMATAZ
  • MEMBER

Could be a problem with an idle up solenoid or the computer is not getting the signal that an extra electrical load is being use therefore not increasing the idle thru the IACV to maintain the idle-

Check the idle air control valve-

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Sunday, March 16th, 2008 AT 2:39 AM
Tiny
BRIAN 1
  • EXPERT
  • 1,066 POSTS

Actually you could try this first. Here is a bulletin. This is a common problem. Subject: Engine Stalls When Air Conditioning Is Turned On at Idle

Models: 2004-2007 Buick Rainier

2002-2007 Chevrolet Trailblazer and Trailblazer EXT

2002-2007 GMC Envoy, Envoy XL and Envoy XUV

2002-2004 Oldsmobile Bravada

2005-2007 Saab 97x

Engine may stall with the air-conditioner on and or while adding additional loads to the engine at idle. An example of an addition load would be turning the steering wheel left or right with the air-conditioning on. This type of stall usually occurs during idle or slow parking lot maneuvers. This concern may not set any diagnostic trouble codes.

Clean the throttle body bore and the throttle valve plate using a clean shop towel with GM top engine cleaner, GM P/N 1052626 (Canadian P/N 993026) or AC-Delco Carburetor Tune-Up Conditioner, P/N X66-P, or an equivalent product.

This might help.

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Sunday, March 16th, 2008 AT 12:47 PM
Tiny
ALFLORES
  • MEMBER

Thanks, I will do that on thursday that I have a day off, by the way where is located the idle air control valve solenoid on my trailblazer, thanks

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Sunday, March 16th, 2008 AT 6:06 PM
Tiny
SAN FRAN
  • 2005 CHEVROLET TRAILBLAZER
  • 150,000 MILES

The car is not idling right and choking its self out and cutting off.

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Wednesday, April 12th, 2017 AT 12:25 PM (Merged)
Tiny
2CARPROS KEN
  • ADMIN
  • 8,686 POSTS

Hello,

It sounds like you have a vacuum leak or a mass air flow sensor that has gone bad. Is there any codes?
Here are a few guides that will help you get the problem fixed.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please let us know what happens.

Best, Ken

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Wednesday, April 12th, 2017 AT 12:25 PM (Merged)
Tiny
BRITTANYGREEN_21
  • 2005 CHEVROLET TRAILBLAZER
  • V8
  • AUTOMATIC
  • 130,000 MILES

Today my car cut off when I pressed on the brakes but allowed me to cut it back on and it did the same thing. One mechanic told me it could be my fuel pump because my gas hand also doesn't work correctly. What do you think?

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Wednesday, April 12th, 2017 AT 12:25 PM (Merged)
Tiny
WRENCHTECH
  • EXPERT
  • 20,814 POSTS

The only way you are going to know is to monitor a fuel pressure gauge while the problem occurs.

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Wednesday, April 12th, 2017 AT 12:25 PM (Merged)
Tiny
JPRESNO
  • 2005 CHEVROLET TRAILBLAZER
  • 150,000 MILES

I was driving down the interstate after about 6 or 7 miles I couldn't get up to speed. Then the car started to sputter and wouldn't shift properly. Eventually I couldn't get the car past 50 miles an hour. The car idols fine and starts. It is not leaking anything. It ran fine in the morning going down the interstate shifted fine and ran perfectly normal. The day before it kind of did the same thing as this specific time. It was around 100 degrees out at the time. Could this be vapor lock or maybe a fuel pump or fuel filter?

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
HMAC300
  • EXPERT
  • 49,728 POSTS

Scan for codes and check fuel pressure first.

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
NCABALLERO
  • 2005 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 121,000 MILES

While driving on the freeway, all the lights on the dash came on at once and the car shut off. It isnt the battery. Any Ideas?

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
RASMATAZ
  • MEMBER

Have the charging system checked out to rule out the alternator

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
TODDYORK
  • 2005 CHEVROLET TRAILBLAZER

Engine Performance problem
2005 Chevy Trailblazer 6 cyl Two Wheel Drive Automatic 90,000 miles

I have a 2005 Chevy Trailblazer and over the last month or so I have had problem with it stalling when I am backing up out of the driveway or parking spaces. This does not happen very often, probably about 5 times in the last 6 weeks but it is not something that I can pinpoint to a particular action other than backing out of somehwere. I really dont have any warning that it is about to stall but the Trailblazer idle does seem to be lower than it had been in the past. I am not sure if I should be looking at an electrical problem or a tranmission problem. There are no indicator lights on, it just stalls and then starts right back up with no problems. I also do not hear any noises when it stalls or when I start it back up. I am totally confused. Please help

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
BRIAN 1
  • EXPERT
  • 1,066 POSTS

Try cleaning the throttle body, have alot of problems with the T-blazers doing this. Post back with what you find.

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
CYNTHIA RODRIGUEZ
  • 2005 CHEVROLET TRAILBLAZER
  • 135,000 MILES

It keeps shutting off while driving. It's not battery or alternator. What could it be?

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
  • 25,509 POSTS

Fuel pump. Have the pressure checked while the stalling occurs

Roy

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
FREEMBA
  • EXPERT
  • 1,152 POSTS

Once it cuts off, what do you have to do to get it going again? Is there fuel present at the injectors when it cuts off? (I know this is a little involved, but these are some general questions which come to mind). Hopefully we can continue to communicate until we've narrowed it down significantly. And eventually cured!

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
KNIGHT2311
  • 2005 CHEVROLET TRAILBLAZER
  • 165,000 MILES

When I turn the switch it just clicks and I tried turning the motor and the motor want turn. What is the problem?The vehicle wants to start I have had someone to check they say it could be the motor or the starter. I do not know which one it is. It just shut down but the engine light was on a couple days before that happen.

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
SATURNTECH9
  • EXPERT
  • 30,939 POSTS

So you can hear the starter click or does it make a loud thunk noise?Also have you checked the oil level?Have you had the battery tested and made sure the battery cables are clean and tight?

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
JOEFERGUSON
  • 2005 CHEVROLET TRAILBLAZER

Engine Performance problem
2005 Chevy Trailblazer 6 cyl Two Wheel Drive Automatic 39000 miles

Hello, my 2005 chevy trailblazer has recently started to act up when driving it. Although, it does not happen all the time. Sometimes when you start from a stop, it will act as if it wants to die. For example, starting from a red light, pushing the gas pedal, it acts like it wants to die, but only for a sceond and then it goes back to normal. Also, when I made a turn, slowing down for the turn and then pushing the gas pedal down to make the turn, it acted the same way like it wanted to die. Does this sound like the fuel injectors need a real good cleaning, maybe replace the fuel filter and/or clean the throttle body? Does the O2 sensor have anything to do with this type of behavior? Or is it a totally different type of problem? I asked the same question to the just answer website and they were zero help, so please forgive me if I do not donate immediatley. Thanks.

Joe f.

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)
Tiny
DOCFIXIT
  • EXPERT
  • 18,993 POSTS

Possibilites are numerous the best way to find out is to have truck hooked up to a diagnostic scanner and check all the computer controled devices. Your symptoms do not give enough info for any definate repair.

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Wednesday, April 12th, 2017 AT 12:26 PM (Merged)

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