Q: Car turns on like normal but won't move forward or in reverse.

asked by on March 04, 2017

I was driving on the highway one day and I heard a loud like pop sound. And then the car started slowing down so I pulled off to the side and and parked it turned it off and on again and nothing happen it wouldn't go forward

My car has 158999 miles.
My car has an automatic transmission.

Not able to change gears Inspection $94.99 - $114.99 Get a Quote

Hi there. When you’re driving an hear a POP sound, followed by the inability to move forward or reverse, it’s a clear indication of a mechanical failure within the drive line of your Trailblazer. Due to the multiple components involved in this system, it is best to have a professional mechanic come to your location first and complete a car not able to change gears inspection.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Carburetor problem
The carburetor needs a good supply of fuel to keep the engine running; if the fuel pump is not suppling the fuel, or the filter is clogged solid, then fuel cannot get to the carburetor. If fuel is getting to...
ABS and Traction lights on
These lights indicate a fault in either the Anti-lock Brake System and/or Traction Control System. In my experience, when these two lights come on together, it is usually caused by a faulty wheel speed sensor. However, it could also be...
OBD-II scanner read code P0108
Hello. The MAP sensor reading on a scanner should read about 1.0 to 1.5 volts at idle and 4.5 to 4.8 volts at wide open throttle. The MAP should read 4.8 volts or more when you have the key on...
When start out driving when accelerate does good to 2000 rpm and then when go to accelerate more it drops off and have to let off
Hello. From what you describe, it would appear that your vehicle is experiencing some sort of engine performance issues. Problems accelerating under load can be caused by many things. A few common causes are issues with the ignition, engine management,...
Warning: Engine Malfunction! Reduced Power: Engine is operating at reduced output
This is a sign of your car's automatic fail safe mode. When your car's computer detects that something has gone wrong in one of it's major systems, it will send the car into what is known as a "limp mode"...
Heater blowing lukewarm air. Had thermostat and gasket changed plus heater core back flushed. No change.
The heater is reliant on the engine temperature getting up to and maintaining normal operating temperature. Once this is verified then you can check both heater hoses in and out of heater core with blower on low speed and heater...
My car is using lot of water and i don't know why.
Hi there. First check the oil in the engine. See if the oil is milky and not dark in color. If the oil is milky, then there is either a head gasket that is burned and putting the coolant into...
My car won't start until after a couple tries turning it on
Hi there. Typically when your electrical accessories are working well, but it takes a few cranks for the engine to start, the issue is with the fuel or ignition system. In most cases, clogged or dirty fuel injectors, throttle body...
What could b wrong if when I het to 55 mph and then push the gas the car vibrates. But when I let up on the gas it's fine. And the
The vibration and shaking when accelerating may be a transmission shift issue or the engine is misfiring under a load. The shaking when braking may be due to warped brake rotors. You should have the computer scanned for misfire or...

Related articles

The Best Used Cars to Buy If You’re a Painter
If If you’re a painter, and you work for someone else, chances are you don’t care all that much about what you drive, as long as it gets you to and from work reliably. On the other hand, if you...
The Best Used Cars to Buy If You’re a Plumber
Plumbers Plumbers need to carry around all manner of tools and supplies. If you’re plumbing a large building, or even a decent sized home, you’re going to need a vehicle that has quite a bit of cargo capacity. A car...
Essential Things to Know About the 2017 Chevrolet Bolt Electric Car
The 2017 Chevrolet Bolt is the first all-electric car under $50k. The Chevy Bolt has a higher EPA rating than Tesla and gets 238 miles per charge.