Quick Answer: Why Won’T My Car Start But Battery Is Good?

Why is my car cranking but not starting?

When your engine cranks but won’t start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression.

The most common causes are problems in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter)..

Why won’t my car start if my battery isn’t dead?

If your vehicle won’t start, it’s usually caused by a dying or dead battery, loose or corroded connection cables, a bad alternator or an issue with the starter. It can be hard to determine if you’re dealing with a battery or an alternator problem. Here’s how to know which one is the culprit.

Why won’t my car start but the radio and lights work?

The most common causes of no-start conditions are the battery, starter, battery cable, ignition switch, or the fuel pump. Any of these can be intermittent issues, which will not always act up. Given that you have had success with shaking the battery cables, this may indicate that one of the cables is failing.

Is it my battery or starter?

A starter that’s failing may crank the engine too slowly for a quick start, or it may not crank the engine at all. Often, the problem is not the starter but a low battery or a loose or corroded battery cable connection. … If the battery’s voltage is low and it doesn’t take a charge, your customer needs a new battery.

What is wrong when you turn the key and nothing happens?

The starter won’t crank If nothing happens when you turn the ignition key to the “Start” position, it means that the starter motor doesn’t turn over the engine. Most commonly this could be caused by a dead battery; here is How to check the battery. … The ignition switch could be bad – it’s a common problem.

How do you diagnose a car that won’t start?

Car Won’t Start Diagnose GuideIs the engine cranking? … Check the trouble code memory. … Check the crankshaft/camshaft sensors. … Check the fuel pressure. … Check the spark from the ignition coil. … Check if the injectors are opening. … Check the Crankshaft/Camshaft timing. … Check compression/leak down test.

Why won’t my car start but battery is good?

First, the starter can crank but the car will not start. This is usually due to battery failure, which is due to something being left on and causing the battery to drain. It could also be due to poor connections, damaged battery terminals, or a bad or dead battery.

What do you do when your car wont turn over?

STARTER GOES CLICK You can try turning the key a dozen times in a row, leaving it ten minutes, then trying it again. If you’re still not having any joy, it may be a problem with the battery terminals. Corrosion over time can interrupt the flow of electricity from the battery to the rest of the car.

What are the signs of a bad ignition switch?

These are the most common symptoms of ignition switch trouble.Car Fails to Start. One of the most obvious signs of a failing or faulty ignition switch is if the car won’t start when the key is turned. … Key will not Turn. … Vehicle Stalls. … No Noise from the Starter Motor. … Dashboard Lights Flicker.

How do you diagnose a car not starting?

5 Reasons Why Your Car Won’t StartDead battery. A dead battery is the most common reason why your car won’t start. … Defective ignition switch. If you know your battery is working properly, but your car doesn’t turn over on the first few tries, you might have a problem with the ignition switch. … Faulty starter. … Clogged fuel filter. … Empty gas tank.

What does it mean when your car won’t start but clicks?

The clicking sound could happen when the starter motor isn’t receiving enough power due to corroded battery terminals. … If the corroded or loose battery terminals are preventing the car from starting, creating a slow cranking, or making a rapid clicking, you need to fix this issue so you can start your car.

What happens if the ignition switch goes bad?

1. Car stalls while driving. One of the first symptoms of an issue with the ignition switch is a vehicle that suddenly stalls while the engine is operating. If the ignition switch fails while the engine is operating it may cut off power to the ignition and fuel systems, which will cause the engine to stall.

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

If you turn on the ignition switch and hear a whining sound and the engine is not cranking, then it’s possible that the starter gear is not engaging the flywheel. If this is occurring, then your starter may have to be replaced.

What fuse would cause my car not to start?

What fuse causes a car not to start? A blown fuse in the starter circuit could be the cause of a no-start problem. Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter.