Why does my Chevy Trailblazer not turn on?

The first and most common is when it won’t turn over. This just means that the engine doesn’t move when you turn the key. This just means that the engine doesn’t move when you turn the key. The second way that your Trailblazer won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own.

What was the problem with my TrailBlazer LT 4.2 L?

We’ve owned this TB for roughly 4 years now and never had any real problems with it other than a bad ignition coil and a failed secondary air injection pump and water pump. Three days ago, my wife drove it to work just fine but it would not crank over when she went to leave.

Why is the grounding cable on my trailblazer not working?

The Grounding Cable is one of the few things the engineers cannot dispense with from being made of Pure Copper Wire… subject to flex work hardening and, as the cable (s) bounce and move out of sync with the dynamic vibrations and motions of the Engine riding on top of the motor mounts.

Why does my Chevy Trailblazer engine not start?

There are a lot of issues that can cause your Trailblazer to crank, but not start. The engine needs air, fuel, and a spark in order to run. It is highly likely that if the engine is cranking, but not starting that it has thrown an OBDII code.

Why is the shift button not working on my TrailBlazer LT?

The shift button on the shifter could not be depressed with key in run and foot on brake pedal and the shifter could not be moved out of the park position.

When does the Check Engine light come on on a trailblazer?

The engine or check engine light will illuminate on the control panel of your TrailBlazer when the vehicle needs routine maintenance, if there is a problem with its emissions control system or if the computer detects a change in engine performance.

What to do if your Trailblazer is stalling?

Before troubleshooting any automotive issue, including stalling issues with the Trailblazer, make sure that you check the vehicles trouble codes with an OBD2 scanner. Trouble codes are always a great place to start diagnosing problems on today’s modern computer controlled vehicles. Without them, you are in the dark.

Where is the throttle position sensor on a Chevy Trailblazer?

Your Chevy Trailblazer uses a series of complex sensors to report what is going on to the ECU. The ECU then uses this information to adjust the timing, air fuel mixture, and more. When one of them goes wrong, it can lead to stalling for sure. Throttle Position Sensor – The throttle position sensor is typically located on the gas pedal.

How to replace batery and air in Chevrolet TrailBlazer?

Get into your car and turn the key to the on position, ( but do not start it). Let it sit like this for at least 2 mins. You will hear the actuators recalibrating themselves. After 2 minutes turn the key to off position then start the car and it should be working out of the correct vents.

What to do about a 2004 Chevy Trailblazer?

38 people found this helpful. Did exactly what was suggested by Daniel and ageary63 below for my 2004 Chevy Trailblazer. Removed the fuses (#36 and #39)and then re-inserted them after waiting about a minute. After re-insertion, turned ignition but did NOT start the engine.

How does the ignition work on a Chevy Trailblazer?

Ignition- This position activates your ignition system and the fuel pump. At this point fuel is pressurized at the fuel rails, and the engine is ready to fire the plugs when it turns over. Starter- This position cranks the starter. Your ignition “rests” in the ignition position when your Trailblazer is running.

Can a Chevy Trailblazer lose power on OnStar?

vbell, my information came from a news report that stated that OnStar can now reduce engine power to newer OnStar equipped cars. They do not “deactivate” a car, they reduce power to a safe level so the driver cannot speed away. I would pose the question directly to OnStar, not Chevy or GM.

When did I buy a 2002 Chevy Trailblazer?

We bought a 2002 Trailblazer from AutoRama about 4 months ago, if even that. But about 2 weeks ago I was driving and got lost on the highway and ended up 6 hours later home. But what would normally take me about 20 minutes up the highway from where I finally figured out where I was]

How often do you change oil on a Chevy Trailblazer?

I change oil myself every 3,500 (Castrol GTX 5w30 with AcDelco filter). Tranny oil is still from the factory. so one day it wouldn’t pull while going up a steep ramp and tried releasing and pushing the gas pedal as always but the engine just died.

Why does my car not start when I try to start it?

But if the battery doesn’t have enough juice to start the engine or repeatedly needs a jump start, the problem may originate elsewhere, and jumper cables or even a new battery won’t solve the problem. Here are eight possible reasons your car won’t start.

Why does my car not start after I drain the battery?

A broken timing belt, timing chain or timing gear means you can crank the engine until you drain the battery, and it still won’t start. Likewise, a bad crankshaft position sensor won’t send the right signals to the engine computer to allow the engine to start. 8. Smart Key Issue

How many miles do you put on a trailblazer?

He put 76k on it in 2.5 years with a 450 mile round trip weekly and commuting to work. Never any issues besides regular maitanence…fluids, spark plugs, and a coil pack. I bought it 6 months ago for $1,500 with 130k.

How often should you change the oil on a trailblazer?

22 people found this helpful. I have a 2006 trailblazer with 301000 miles on it. Replaced the transmission at 265000 miles , I put all the miles on it . Mostly country roads and highway, had oil changes done every 3000 miles . I am using synthetic oil now for about 150000 miles.

How long does a Chevrolet TrailBlazer engine last?

Engine is simple and meant to last. Great car for travel, ranches, tailgating, and daily driving. I really see this car lasting another 500k and heck if the engine breaks down again you can bet that youll find an engine replacement for 200 to 300 now a days.

What to do if your Chevy Blazer won’t start?

Unplug wire from coil to disturber and crank engine see spark at coil what is wrong please help When you try to start running the engine or press start, the vehicle won’t turn on. The engine simply turns but it does not work as it should. Check the ignition module, located in the distrbutor and check as well the sparking.

Why does my 93 K5 Blazer not start?

My 93 k5 blazer 5.7 will start and run fine when the engine is cold. After it warms up it dies. Try to start it again and it sounds like it tries to start then the starter will bog and sometimes it turns over fine but just won’t start until it cools down. I found broken ground wire. Turn over but won’t start…

Are there any recalls on the Chevy Trailblazer?

Following hundreds of complaints and a few accidents allegedly caused by the malfunction, the National Highway Traffic Safety Administration (NHTSA) opened an investigation into the issue in May 2011. Unfortunately for frustrated owners, no recall has been announced. Click on a category below for details.

What does the gas gauge say on a 2005 Chevy Trailblazer?

This gauge flip-flops more than a politician during election season. Some report that the gauge says “empty” after a fill-up, while others report the gauge says “full” when they’re running on fumes.

What are common reasons my Chevrolet TrailBlazer won’t start?

What are common reasons my Chevrolet Trailblazer won’t start? While there are a variety of reasons your Chevrolet Trailblazer won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter. How is a no-start diagnosis fixed?

What to do if your Trailblazer has no power?

You may have a plugged exhaust cat. You can remove the o2 sensor before the cat closest to the engine and see if that helps. Any codes? helpful? The code I received yesterday was to replace the crankshaft position sensor so I did same results.

When did the first Chevy Trailblazer come out?

In this article, we consider the first-generation Chevrolet TrailBlazer, produced from 2002 to 2009.

What are the features of a Chevy Trailblazer?

1 LED foglamps 2 Heated power-adjustable, manual-folding mirrors with body-color caps 3 Silver-painted roof rails 4 Remote vehicle starter system

Where are the fuse panels on a Chevy Trailblazer?

Here you will find fuse box diagrams of Chevrolet TrailBlazer 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

What are the problems with a trailblazer?

Some of the most common problems with the TrailBlazer involve the vehicle’s electrical system and accessories. Many drivers have experienced problems with the dashboard gauges, including the fuel gauge, speedometer and “check engine” warning light.

Does Chevy have any problems?

22 Problems Every Chevy Owner Needs To Know About ENGINE MISFIRES. This is another one of those problems that are decently serious. TRANSMISSION FAILURE. This is one of the most heinous problems that could come knocking on your door. RANDOM AIR BAG DEPLOYMENT. POWER STEERING DEACTIVATES. LEAKING COOLANT. EXCESSIVE OIL CONSUMPTION. TIMING BELT FAILURE. IDLER PULLEY BRAKES IN HALF.

What does it mean to be a Chevy Trailblazer?

The Chevrolet Trailblazer or TrailBlazer is a mid-size SUV produced by Chevrolet, a division of General Motors. The nameplate was first used in North America from 2001 to 2008, when it was replaced by the Traverse crossover SUV in 2009. In 2011, a production of a newly redesigned version of the Trailblazer for Asia and Brazil began.

What is a Chevy Trailblazer SS?

The Chevrolet TrailBlazer SS. The Chevrolet TrailBlazer is a mid-size SUV from the Chevrolet division of General Motors. Introduced in 2002, the TrailBlazer won the North American Truck of the Year award.

Are there any recalls on the Chevrolet TrailBlazer?

In 2012, General Motors and Isuzu recalled more than 258,000 SUVs in the U.S. and Canada. The recall affected the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Isuzu Ascender and Saab 97-X, all from the 2006 and 2007 models. The reason for the recall was the risk of fires caused by short-circuits in power window and door lock switches.

Why does my TrailBlazer go into limp mode?

Without any pre-warning or other indication, your Trailblazer’s engine management system engage and the Trailblazer enters limp (or reduced engine power) mode. There are a few things that may cause this. Usually it is related to the gas pedal or throttle body sensors detecting a problem.

When did General Motors stop making the Trailblazer?

The Chevrolet Trailblazer is a mid-sized sport utility vehicle, produced by General Motors between the periods of 2002 and 2009, and again from 2012 to the present.

When does the new Chevy Trailblazer come out?

The All-New 2021 Trailblazer is bold, spacious and has the technology and capability to help you get up and get out there. And with multiple trims to choose from, your style options are as open as the road ahead. Worth a second look. Or a third. Striking style is the first thing you’ll notice about this SUV.

What kind of engine does a trailblazer have?

We figured the Trailblazer’s smaller-than-usual three-cylinder engines—four-cylinders are still typical in most new small cars, with a few exceptions such as Mini’s Hardtop—might net a fuel-economy benefit relative to its rivals. That isn’t the case.

Why does my Chevy Trailblazer whine when accelerating?

The power steering pump is a very common reason why your Chevy Trailblazer might whine when accelerating. If it gets too low on fluid they’ll make the it’ll whine a lot. You need to check the fluid level and fill it back up to the factory fill line. The pump can also go out.

Which is the most fuel efficient Chevy Trailblazer?

The Trailblazer’s fuel economy only barely exceeds that of the one-size-smaller Trax, which is fully subcompact and comes with a turbocharged 1.4-liter four-cylinder engine and theoretically should be the smallest and lightest of the bunch, and therefore the most efficient.

What to do if your 2003 Chevy Trailblazer wont start?

No one has added a helpful site for this 2003 Trailblazer problem yet. Be the first! Read reviews of repair shops in your area. Enter your zip code: NewRockies.com: How to fully bypass VATS, PassKEY and PassLock systems in GM cars.

Where are the run and start fuses on a trailblazer?

1. Test for 12 volts on the BACK UP and BTSI fuses in run and start. They are in the under hood fuse block. 2. Test for 12 volts on the IGN0 fuse in accessory, run, and start. It is in the rear fuse block. 3. If the voltage is low, test the ignition switch input on the Red wire and the Red and White wire. 4.

Why does my trailblazer not shift out of Park?

03 trailblazer starts/runs but will not shift out of park with brake applied. feels like problem is in shifter because button on shifter will not depress to allow it to move. Is there a part in shifter that is prone to failing. also any pictures diagrams could be helpful.

Where does the voltage go in a trailblazer?

With the ignition in the ON position, voltage is supplied to automatic transmission shift lock control switch. Voltage flows through the normally closed contacts of the automatic transmission shift lock control switch to the automatic transmission shift lock control solenoid.

What do you need to know about a Chevy Trailblazer?

This allows you to use the power windows, radio, and any other accessory that is equipped in your Chevy Trailblazer. Ignition- This position activates your ignition system and the fuel pump. At this point fuel is pressurized at the fuel rails, and the engine is ready to fire the plugs when it turns over. Starter- This position cranks the starter.

How many cylinders does a Chevrolet TrailBlazer have?

All Chevrolet Blazer parts are built with a reasonable number of cylinders, so each option produces practical results. A general Chevrolet engine is designed with six cylinders, and the option thats built for a sporty trim has eight cylinders. What are the design specs for the Trailblazer vehicle motor?

How do you replace a motor on a Chevy Trailblazer?

In order to select a motor that will fit snugly under the hood of your automobile, you must review the system design specs for a replacement motor in the Chevy Trailblazer owners manual. A typical Chevrolet manual will highlight information about practical OEM parts that are built specifically for your Trailblazer trim.

What causes a bad O2 sensor on a Chevy Trailblazer?

While a rough running engine can be a sign of a bad oxygen sensor, it is often a sign of a misfire as well. Often enough, there won’t be any noticeable signs of a bad oxygen sensor. You’ll go to get an emissions check done, and your Trailblazer fails the test.

Why does my 2005 Chevy Trailblazer not go into gear?

I have just replaced the engine in my 2005 Trailblazer. I can move the shifter lever but it will not go into gear. It cranks and idles fine. Engine will rev with the shifter in any position. You probably left the shift cable off, it may have come disconnected from the transmission.

What causes a Chevy Trailblazer engine to stall?

If your Chevy Trailblazer’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem: VVT Problem – Many modern engines are equipped with Variable Valve Timing.

What kind of engine does a Chevrolet TrailBlazer have?

Chevrolet Trailblazer motors are built with pistons and other combustion components, and each individual item enhances power and speed throughout general driving routines. The process of picking an engine isn’t tough because motors that are designed for specific trims are available.

What to do if your Trailblazer won’t start?

Boosting/jumping the battery no longer helps. I can jump and start the truck by jumping across sockets 87 and 30 of the starter relay sockets and the truck will run. I checked the ground from socket 85 to vehicle chasis and the resistance is zero. Now I am leaning towards the neutral safety switch or the wire to and through it as being the culprit.

The shift button on the shifter could not be depressed with key in run and foot on brake pedal and the shifter could not be moved out of the park position.

What’s the problem with my 4WD Chevy Trailblazer?

This normally happens in the morning when its really cold pretty sure it was -5 both times. After going to the dealer they said it came up with multiple codes from replace 4WD Selector Switch, to replacing the actuator, to not communicating with the ECM.

Can a 4WD dash switch be replaced on a 2002 TrailBlazer?

The dealership has replace the 4WD dash switch on my 2002 Trailblazer at least twice over the years for the same situation but my new mechanic just reprogramed the computer which fixed it. Do a search on this because it happens alot to the Trailblazers.

Why does my Chevy Trailblazer spin when I turn to the right?

In normal 2wd operation the tires spin freely of each other. When you turn to the right the wheel on the driver side has to spin faster to keep in sync with the inside tire on the right.

What makes a 2001 Chevy Blazer not start?

Have a 2001 Chevy Blazer have replaced coil fuel pump crank sensor ignition module distribution and button just cranks no start 26 people found this helpful.

What to do if your Chevy Blazer turns over?

If there is spark, then next would be to do a fuel bleed down test by hooking a fuel pressure gauge up to the Schrader Valve, turning the key to the on position letting it build up fuel pressure on the gauge, (should be 56 to 63 lbs) then turning the key to the off position and watch the fuel pressure gauge.

Why is the fuel pressure bleed down test not working?

The fuel pressure bleed down test would be verifying that the fuel pump and spider injection fuel pressure are good with no problems. There is gas up to the Schrader Valve so there has to fuel to the injectors. The only other thing it could be is there is no injector pulse to make the fuel injectors open and close.

Can a bad ignition switch cause a trailblazer not to start?

A bad ignition switch can cause your Trailblazer not to start at all. And, it can keep your Trailblazer from starting in a couple of different ways. The first is when the starter cranks, but the bad ignition switch doesn’t turn on the fuel pump or ignition.

Why does my car backfire when the starter quits?

Sometimes the backfire is a couple seconds after the engine quits turning. The engine was dead cold (never got it started) & it was like 35 degrees out. I will try & confirm tomorrow if I am getting spark while the starter is cranking. Also, the bad fuel theory has merit I suppose.

What should I do if my engine won’t fire?

Check your CAS, i would say you have it one backwards if its been off, take it off spin the key 180* and bolt it back on to test that theory, sounds like its firing when the valves are open. Click to expand… Thanks for the ideas. Well, I will check that, but the CAS has not been off this car EVER.

Why does my Car start after I fill up the gas tank?

When I fill the gas tank up, the car has trouble starting. It happened several times already. I would then try for a while until I start it up again. After that, the car would run fine until I fill the gas tank up the following time. I went to a shop for this but they couldn’t fix it. Do you have any idea why this happens? Thank you.

What to do if your car won’t start after filling up?

If you are getting random misfire codes and O2 sensor codes after getting fuel i suggest you have a fuel sample test to see if there is excessive water in the fuel. You can try adding some drygas in the… It is a given that when you take your car to a mechanic for a noise, it will stop making the noise right when he gets in the car.

Why does my Chevy Trailblazer not turn on?