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Why does my Chevy Trailblazer lose engine power?

Why does my Chevy Trailblazer lose engine power?

One more thing, do a search of “reduced engine power” in the Ranier, Trailblazer, Envoy forum and see if anything sounds similar. I’ve experienced the same with my 02 TB. The intermitten power loss , sometimes causing the engin to stall, was due to a O2 sensor.

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.

What kind of power does a Chevy Trailblazer have?

Thanx so much in advance for any ideas and advice. I own a 2007 Trailblazer…I6 4.2L, much like yours. I have had a similar problem happen twice in my brand new truck. The first time I was driving about 20mph- the truck lost power and dropped to almost 5-10 mph. With in seconds..it had kicked back in and it was fine.

Can a Chevy Trailblazer be deactivated while in motion?

As far as Chevy is concerned they say that OnStar is NOT able to deactivate a vehicle while it is in motion. (even if told to do so by police). Its is considered unsafe.

What causes reduced engine power?

Throttle body: The throttle body and wiring/connection to it are most common causes for reduced engine power. Check the wiring and connections to the throttle body for damage, spread-out terminals in the connectors or damaged terminals.

What does reduced engine power message mean?

The reduced engine power message signifies a failure in the throttle control system. The engine will go into reduced power for safety reasons when a failure is detected in the system.

What does engine power reduced mean?

engine power reduced means that the CPU has placed the ECM in a safe operating mode and reduced power to lessen the risk of serious engine / transmission damage.

Why does my Trailblazer have a reduced engine power warning?

Here are some of the most typical problems that can make your Trailblazer’s reduced engine power warning come on: This is one of the most common reasons the reduced engine power light comes on.

When did the Chevy Trailblazer lose its power?

Just reaching 30k miles and things starting to go out: little things: door switches, squaky and rattling noises. This is last american car for me seriously, the darn Honda Accord I had 10yrs ago was purring like a kitten at 180k miles with 32 mpg.

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.

What is the throttle position sensor on a trailblazer?

The throttle position sensor is one of the most vital sensors in your Trailblazer. If it’s not responding, the ECU has no way of telling how much gas gas you’ve given it. The TPS data also helps determine when the transmission will shift.

Why does my Chevy Trailblazer keep stalling out?

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:

Is there a recall on the 2006 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. No one has added a helpful site for this 2006 Trailblazer problem yet.

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]

One more thing, do a search of “reduced engine power” in the Ranier, Trailblazer, Envoy forum and see if anything sounds similar. I’ve experienced the same with my 02 TB. The intermitten power loss , sometimes causing the engin to stall, was due to a O2 sensor.

Thanx so much in advance for any ideas and advice. I own a 2007 Trailblazer…I6 4.2L, much like yours. I have had a similar problem happen twice in my brand new truck. The first time I was driving about 20mph- the truck lost power and dropped to almost 5-10 mph. With in seconds..it had kicked back in and it was fine.

Is there a recall on a 2005 Chevrolet 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.

Why does my Chevy Blazer not go over 20 mph?

Won’t go over 20 mph. Starts right up. New plugs and wires. Never really cuts off. Runs hot but not extremely. Mass air flow is usually an intermitant problem. This sounds more like a stopped up catylist converter. take the cat off and run it, see if it gets hot, most likely that will be the problem]

Why does my trailblazer not go over 3000 rpm?

My Trailblazer has no power and will not go over 3000 rpm. I have replaced the spark plug, gas filter, throttle body acceleration pedal sensor and the crank shaft sensor. I am at a loss of where I go from here.

Won’t go over 20 mph. Starts right up. New plugs and wires. Never really cuts off. Runs hot but not extremely. Mass air flow is usually an intermitant problem. This sounds more like a stopped up catylist converter. take the cat off and run it, see if it gets hot, most likely that will be the problem]

When does a 2001 Blazer start to bog down?

I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a “pop” and my engine started to bog down. Over this last week the bogging down has got progressively worse but only happens when you attempt to accelerate.

Why does my Chevy Blazer engine bog down when I hit the gas?

Take it to a good local mechanic (not a dealer) and see if this is one problem. My Blazer bogs down when you hit the gas and has trouble starting. We have replaced the MAF sensor, plugs, rotor, cap, plug wires, and fuel filter. The fuel pressure is at 50psi when idling and 64 wot when driving.

What causes hesitation and surging on Blazer 4.3L?

Fix Hesitation and surging on Blazer 4.3L If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right.

Why does my Chevy Silverado lose engine power?

Keep reading to find at least one possible answer to “Why is my Chevy Silverado losing power?” Read More: How Can You Tell If Your Pickup Is Overloaded? If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body.

What causes acceleration in a 97 Chevy Blazer?

97 chevy blazer 4.3 idles great but upon acceleration it starts to surge, changed just about everything, fuel pump,cap rotor, wires, plugs distributor injectors, crankshaft, cam, throttle pos. sensor, tried new computer, at a loss starts right up and idles great, take in down the road and starts surging. Exhaust?

What causes a car to lose power on a hill?

If the fuel pump is on its way out, it may work intermittently or not at all. A symptom of starving the car for fuel is a car that runs correctly at idle and low load, but falls flat on its face as you ask for more power (when climbing a hill, for instance). Fuel pumps may fail due to age, sediment buildup, or running the incorrect fuel.

Where are the freeze plugs on a 2000 Chevy Blazer?

You can’t post conmments that contain an email address. where are the freeze plugs located on a 2000 Chevy blazer. HOW can i hook my phone to my 2000 chevy blazer radio to play my music .

Fix Hesitation and surging on Blazer 4.3L If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right.

What was the problem with my Chevy Blazer?

So far have replaced: fuel injection system, throttle body sensor, fuel filter, spark plugs, wires, distributor cap, rotor and EGR valve. Fuel pump does whir and kick in when key turned. Previous to not getting fuel completely, the Blazer was surging when I drove it and was not responsive to the gas pedal intermittently.

Why is my Blazer 4.3L driving like a dog?

If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right. But before you start replacing really expensive components like the fuel pump, try this: Disconnect the electrical connector to the MAF sensor and take it for a drive.

What’s the problem with my Chevy Blazer fuel pump?

Fuel pump does whir and kick in when key turned. Previous to not getting fuel completely, the Blazer was surging when I drove it and was not responsive to the gas pedal intermittently. Local parts store suggests IAC valve?

What to do when your Trailblazer stalls at idle?

The throttle body bore and plate should be cleaned with a carbon cleaner spray. Electronic throttle systems are very common to this. Watch this how to clean throttle video. After the new battery, idle speed memory would have been lost, so it is trying to learn a new idle, but the carbon is making it difficult. 2007 Trailblazer.

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 2002 Chevy Trailblazer have?

2002 Chevrolet Trailblazer EXT 4.2L Engine. It died on me the other day I got a boosts. Later that day I got a new battery. They check the alternator and its fine. We notice the back AC was on and the truck turns off even when we turn on the ac

The throttle body bore and plate should be cleaned with a carbon cleaner spray. Electronic throttle systems are very common to this. Watch this how to clean throttle video. After the new battery, idle speed memory would have been lost, so it is trying to learn a new idle, but the carbon is making it difficult. 2007 Trailblazer.

Why is the radio not working on my 2005 TrailBlazer?

Also the radio control **** to turn channels or volume and on and off won’t work the radio and cd will switch back and forth,, what could could cause this — 2005 trailblazer. You may need a new radio. It would have to checked out to be sure.

Why does my car lose power when I accelerate?

Either your car is running out of fuel or it does not have enough power. And there are lots of causes behind your car losing the POWER especially when accelerating, some of them are: Malfunction of Actuators such as: bad spark plugs, bad fuel pump, bad injectors. Malfunction of Sensors such as: Oxygen sensor, MAF sensor, Crankshaft sensor.

Why does my Chevy Trailblazer have reduced engine power?

Most of the time, reduced engine power doesn’t make commuting home possible since the max speed your Chevy Trailblazer will reach is not going to be enough to keep you safe on the highway. If your Trailblazer has gotten this reduced engine power warning, it means that one of its engine management sensors or the ECU have gone bad.

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.

Why is the spark chain on my trailblazer not working?

The timing chain (or belt) is responsible for keeping the upper valve train synced with the crankshaft. This is vital for spark timing. If the timing is off a little and the engine still runs, the timing belt may have skipped. If it has jumped too much the Trailblazer may not even fire.

As far as Chevy is concerned they say that OnStar is NOT able to deactivate a vehicle while it is in motion. (even if told to do so by police). Its is considered unsafe.

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]

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Ruth Doyle