Question about 2005 Chevrolet TrailBlazer

1 Answer

Service engine soon light flashing on acceleration

2002 Chevrolet Trailblazer

Several days ago I was running around town and vehicle was running fine. About the third time UI startted it it was barely running. It appeared to me the choke had stuck.
I took it home and removed the air box and sprayed the throttle body down with a carb. cleanner startted it and it ran better than it had in a while.
Last night as I startted it to come home from a resturant it is missing and the "check engine soon" light flashes on aceleration. then goes off.
any ideas? This morning my 2005 Chevy Trailblazer was driving fine and then it felt as if it was sputtering (I felt it through the gas pedal) or missing, so I accelerated and it kept going but then my check engine light flashed on and off several times and I slowed down a little bit, then the light went off. I made it to work but am afraid of what may happen come lunchtime. Any ideas?

Posted by on

Ad

1 Answer

  • Level 1:

    An expert who has achieved level 1.

    Corporal:

    An expert that hasĀ over 10 points.

    Mayor:

    An expert whose answer gotĀ voted for 2 times.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 5 Answers

It sounds like u got a coil pack going out. Alot of times when your engine is cold or when you arn't putting a load on it the coils won't fail. How ever when the engine reaches operating temperatures and there is load on the coils that is when they are going to break down. my advice would be to get a scanner and see what cylinder the missfire is at then swwap that coil to another cylinder to verify that the coil is defective. If it is purchase another with a new spark plug put it in and let it rip.

Posted on May 16, 2009

Ad

2 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad
  • 4 Answers

SOURCE: Service engine soon light flashing on acceleration

When the service engine soon light is flashing there is a miss fire in the motor if you look in your owners manual it will tell you that.The same thing happend to me and it endid up to be the cat...

Posted on Mar 17, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Jump start trailblazer will run that day but next day it is dead there is a short some where


2006 Trailblazer won't start - Discussion on Topix

www.topix.com > Chevrolet TrailBlazer
Sep 6, 2012 - My 2006 Trailblazer will not start, bought a new battery, still will notstart, not even with a jump. ... i get a jump i drive it and charged the battery it seemed fine but then i went ... Then, next morning, when I turn key, all lights come on and radio... back a day and 360$ well that pos still will crank but will not start. 02 trailblazer a/c problem
Jul 21, 2011
2003 trailblazer key is stuck in ignition
Dec 21, 2009
2003 Chevy Trailblazer will not start
Jul 21, 2009
2002 trailblazers won't start
Aug 24, 2007
More results from www.topix.com

Oct 29, 2015 | 2005 Chevrolet TrailBlazer

1 Answer

Tries to start without key or anyone around, just parked


Do you have an aftermarket remote starter installed in the vehicle?

Oct 24, 2015 | 2006 Chevrolet Trailblazer

1 Answer

Service four wheel drive light on,cant shift into 4wd cold only ,below 45F,drive awahile resatrt the truck it works fine,warm days no problems .


Vehicles: 2002 Chevrolet Trailblazer 4WD 4.2L SFI DOHC 6-cylinder

Your front 4WD Transfer case is low on Gear Oil.
On warm days, the Gear Oil expands slightly, and is less viscous, so the "Service 4WD" light stays off. On colder days/mornings the story changes.

The following paragraph has info applying to the manual differential only:
The 2002 Trailblazer (the first year Chevy made the Trailblazer) has a Front Differential using 1.11 (that's 1 and 1/9th) Quarts Gear Oil, and a Rear Differential with a capacity of 2.29 (thats 2 and 2/7ths) Quarts Gear Oil.
The Gear Oil needed is GM Part No.12345349 or GM Part No.1052931 (they're identical), also known as "GM Synchromesh"(R), which is a type of GLS (Gear Lubricant, Special), also known as "Manual Synchromesh Transmission Fluid 5W30". A synthetic version of which sells for $12.70/qt (USD) at
http://www.amsoil.com/storefront/mtf.aspx

This is not to be confused with 5W30 motor oil (which can be had for $3.00/qt (USD)).

The 2002 Trailblazer 4WD Transfer Case (NV126 Transfer Case) capacity is 0.8 Liters of GM Part No.12378508 (US), also known as "GM Auto Trak II"(R).
Note that one Quart (US) = 0.946 Liter, so 0.8 Liter = 27.06 ounces.

Red Line sells something that they say replaces both GM Synchromesh and GM Auto-Trak II for $12.14/Qt and $44.55/Gal (US) at
http://www.shopwiki.com/Red-Line-MTL-70W80-GL~4-Gear-Oil-%281-Quart%29

13 Manufacturer Recalls apply to the 2002 Chevrolet Trailblazer (model year 2002 was the first year Chevy offered the Trailblazer), and two recalls pertain to the 4WD Transfer Case. Note that one of the recalls applies to only 895 units, so your vehicle is unlikely to be affected by this Transfer Case recall.

2002 Trailblazer Recall ==========================
OCT 17, 2001 ' Recall ID# 54221

Recall Reason POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Recall Date OCT 17, 2001
Model Affected TRAILBLAZER
Potential Units Affected 78004

Recall Summary
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4-WHEEL DRIVE. THE CALIBRATION OF THE TRANSFER CASE CONTROL MODULE COULD CAUSE INSUFFICIENT HIGH SPEED GEAR ENGAGEMENT.

Consequence
IF THE GEAR IS NOT ENGAGED, THE VEHICLE CAN ROLL WHEN THE TRANSMISSION IS IN "PARK" AND A CRASH COULD RESULT WITHOUT WARNING.

Remedy
DEALERS WILL UPDATE THE TRANSFER CASE CONTROL MODULE CALIBRATION TO INCREASE GEAR ENGAGEMENT. OWNER NOTIFICATION BEGAN NOVEMBER 6, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

Notes
GENERAL MOTORS CORP. 01064/01065

2002 Trailblazer Recall ============================
SEP 05, 2001 ' Recall ID# 26006

Recall Reason POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Recall Date SEP 05, 2001
Model Affected TRAILBLAZER
Potential Units Affected 895

Recall Summary
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES (4 WHEEL-DRIVE). SOME OF THESE VEHICLES WERE BUILT WITH A RANGE SHIFT COLLAR IN THE TRANSMISSION TRANSFER CASE THAT CONTAINS CRACKS.

Consequence
THIS CONDITION COULD RESULT IN A COMPLETE FRACTURE OF THE RANGE SHIFT COLLAR AND SUBSEQUENT LOSS OF VEHICLE FORWARD AND REVERSE GEARS, AND THE INABILITY TO MAINTAIN "PARK" POSITION. THIS INCREASES THE RISK OF A VEHICLE CRASH RESULTING FROM UNINTENDED MOVEMENT OF A PARKED VEHICLE.

Remedy
DEALERS WILL REPLACE THE TRANSFER CASES AND UPDATE THE CONTROL MODULE CALIBRATION. OWNER NOTIFICATION BEGAN SEPTEMBER 6, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

Notes
GENERAL MOTORS CORP. 01061


Read about all (13) 2002 Chevy Trailblazer recalls at:
http://www.internetautoguide.com/10-12-2002-16-1287/2002-chevrolet-trailblazer-recalls.html

Dec 05, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

Not every time, but at least 3-4 times a week, I get in my 2002 Trailblazer and it will not start. All the lights come on, the radio and air conditioner work, but the vehicle will not start. No noise,...


Alot of the time the antitheft on GM vehicles can trigger when its not supposed to. When this happens, you get exactly what you have. Everything will work except the starter. Go to this link and compare the symptoms to the ones listed. This might be your problem.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Aug 07, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

My 2002 Trailblazer idles rough with the AC or defrost on when stopped. It rides fine while the car is moving. I changed my battery a couple of months ago and then the problem started. Thanks for your help


I would suggest having the Alternator checked for the proper amp output. Although it may be making enough power to keep the battery charged, it may not be making enough to power the vehicle and still be the reason the engine performs rough at low RPM's under accessory load.

Oct 29, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

My 2002 Trailblazer randomly won't start


fuel pump relay could be sticking, try touching it when the vehicle won't start, if it's overly hot try hanging it...

Jun 21, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Service engine soon light flashing on acceleration


When the service engine soon light is flashing there is a miss fire in the motor if you look in your owners manual it will tell you that.The same thing happend to me and it endid up to be the cat...

Mar 17, 2009 | 2002 Chevrolet TrailBlazer

2 Answers

2002 chevy trailblazer has rough idle


it could be an o2 sensor. it could also just need a tune up

Mar 15, 2009 | 2002 Chevrolet TrailBlazer

Not finding what you are looking for?
2005 Chevrolet TrailBlazer Logo

4,075 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

76109 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8270 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...