What Would Cause A Chevy Cobalt Not To Start?

The most common reasons a Chevrolet Cobalt won’t start are a dead battery, an alternator problem, or failed starter.

Can you jump a Chevy Cobalt from under the hood?

When jump starting your Cobalt you should find a marked post for the positive and negative cables under the hood where you can connect the jumper cables.

How do I know if my starter relay is blown?

If your starter relay has gone bad, the electrical signal will never make it from the battery to the starter motor. As a result, your engine won’t turn over – no matter how many times you turn the key. A faulty relay often produces an audible clicking sound when you turn your car.

How do I know if my starter fuse is blown?

To test the electrical resistance, place the probes of your multimeter on the ground lead and ignition circuit terminal. If the multimeter reading is more than 5 Ohms, your starter relay fuse needs replacing.

How do I know if my crankshaft sensor is broken?

5 Signs of a Failing Crank Sensor

1. Crank Sensor Problems Could Make it Hard to Start Car. One sign that your crankshaft sensor might be failing is if you find it hard to start your vehicle.
2. Engine Vibration Issues.
3. Fuel Economy Slippage.
4. Uneven Acceleration.
5. Check Engine Light On.

What happens when a crank sensor goes?

If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. This is usually a sign of a wiring problem. However, a bad crankshaft position sensor can also produce this symptom.

Why don’t you connect the negative when jumping a car?

Never connect the black cable to the negative (–) terminal on your dead battery. This is very dangerous, could result in a possible explosion. Make sure you follow the instructions in your owner’s manual when jumpstarting your vehicle.

Why does the Chevy Cobalt have the battery in the trunk?

To find it, you’ll need to lift up the carpet, it should be right next to the spare tire. Most car manufacturers started putting the batteries in the trunk to save space in the engine compartment and even out the weight distribution of the vehicle.

Can a car be jump started through the cigarette lighter?

The simplest fact is that, no, you can’t jump-start a car through the cigarette lighter socket — at least not according to the traditional definition of the term.

Where is the fuse located for the starter?

In most cars, it will be under the hood, in a large box with a black lid. This is where car fuses and relays are installed. It is also called a fuse box. This box is usually installed on the driver’s side of the vehicle.

How can I check my starter?

Connect the remote starter switch to the battery positive and the solenoid (smaller wire) terminal on the starter and click the switch. If nothing happens, you’ve got a bad starter. If the starter turns, the problem is in the electrical system.

Why won’t my car start but has power?

Bad Spark Plugs
If the engine holds compression well, and the fuel system is working correctly, but it still won’t start, that tells us that your car’s spark plugs may not be working. The spark plugs ignite the air/fuel mixture inside the engine’s cylinders. It’s the resulting explosion that actually powers your car.

When your car won’t start but all the lights come on?

If your headlights can turn on, but your car won’t crank, that means that your battery is charged, but either the starter or ignition is the problem. If the starter or ignition is the problem, a starter engine can be jumped by using a charged battery.

What are 2 symptoms that would indicate a faulty starter solenoid?

As a result, the common signs of a bad starter solenoid include:

• Engine Doesn’t Crank or Start.
• No Clicking Noise When Trying to Start the Engine.
• Starter Spins Without Fully Engaging the Flywheel (Rare)
• Engine Cranks Slowly (Rare)
• Test the battery.
• Check That Power is Getting to the Starter Solenoid.

Can a relay fuse stop your car from starting?

If the relay fails it will cut off power to fuel pump and ignition system, which will result in a no power, and therefore no start condition.

How do you tell if it’s your starter or ignition switch?

First, check the starter by turning the key in the ignition to ON and then using a circuit tester or voltmeter to see if there is power to the wires leading to the starter. If there is power, you have a bad starter.

How do you know if you need a new crank sensor?

Symptoms of a Bad Crankshaft Position Sensor

1. Illuminated Check Engine Light.
2. Engine Refuses to Start.
3. Hard Starting and/or Stalling.
4. Engine Runs Rough and Misfires.
5. Reduced Fuel Economy.

Will a camshaft sensor cause a car not to start?

Car Will Not Start: Over time, as the camshaft position sensor fails, the signal it sends to the engine control module weakens. When the engine no longer receives the signal, you will not be able to start your car.

Will a car start without a crankshaft sensor?

The crankshaft position sensor is the most important of all engine management sensors, and the engine will absolutely not run without it.

How do you reset a crank sensor?

1. Turn off all of the accessories.
2. Accelerate the vehicle to 55 mph at part throttle.
3. Cruise at 55 mph for another 5-6 minutes.
4. Decelerate to 45 mph without using the brakes, and maintain 45 mph for 1 minute.
5. Perform 4 deceleration cycles, without using the brakes, of 25 seconds each where no specific speed is necessary.

What happens if you don’t fix a crankshaft sensor?

If the crank sensor fails, the computer won’t know how to set the ignition timing, so the engine may stop running or refuse to start. Engine stalling is also a symptom, which can possibly trigger the check-engine light. The engine may run poorly or acceleration may be affected, as well.