Why does my Chevy Cobalt shake?

Engine firing issues: When one or more of your spark plugs isn’t firing correctly, it can cause your car to vibrate. Brake system issues: If the vibration or steering-wheel shake only occurs when you apply the brakes, it’s likely time to have your brake pads and rotors checked.

Why does my sprocket make noise when I Turn on the engine?

The following are causes of timing gear or chain and sprocket noise: 1 Worn timing chain and/or gears 2 Misaligned gears 3 Excessive backlash 4 A damaged tooth 5 Gear or sprocket loose on the shaft 6 Too much end play in the camshaft or crankshaft

Why does my car shake all the time?

Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs. You should also know that a defective idle air control valve might make the engine idle drop significantly. This may cause the motor to vibrate or shake abnormally.

Why does my engine make a dull knocking noise?

Damaged or worn main bearing noise is revealed by dull thuds or knocks which happen on every engine revolution. This noise is loudest when the engine is under heavy load. Excessive crankshaft end play is indicated by an intermittent rap or knock sharper than a worn main bearing. The following are causes of main bearing noise:

Why does my car make a cracking noise when I Turn Off the engine?

To test for a loose or cracked flywheel, operate the vehicle at approximately 32 km/h (20 mph) and shut off the engine. If a thud is heard, the flywheel may be loose or damaged. This type of thud is loudest on deceleration. Loose torque converter-to-flywheel or flywheel-to-crankshaft bolts will sound similar to bearing knock.

Why does my Chevy Cobalt have a reduced engine power warning?

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

What is the throttle position sensor on a Chevy Cobalt?

The throttle position sensor is one of the most vital sensors in your Cobalt. 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.

What does the oxygen sensor do on a Chevy Cobalt?

Your Cobalt’s oxygen sensors measure the amount of oxygen in the exhaust to help insure that the proper air/fuel mixture is realized.

Why does my Cadillac SRX have reduced engine power?

The TPS data also helps determine when the transmission will shift. Another common cause of a reduced power condition is , if the ECU goes bad it can trigger the reduced engine power condition. It is responsible for taking the data from all of the sensors above, and combining it with the data from many other sensors to control the engine.