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10 Reasons Your Car Won’t Start And How To Fix Them

Summary:

A car that won’t start can turn your day upside down. While some issues are minor, others require immediate attention. Here are the most common reasons behind starting failures and how to fix them.

Battery Issues

Loose or Corroded Terminals: Dirty or weak connections disrupt power flow. Clean them regularly with a wire brush.

Weak or Dead Battery: Slow cranking or clicking noises indicate a failing battery. Routine checks and timely replacements prevent breakdowns.

Starter & Ignition Problems

Worn-Out Starter Motor: A clicking sound but no engine turnover suggests a faulty starter. A mechanic can confirm and replace it in case it won’t start.

Faulty Ignition Switch: If turning the key does nothing, the ignition switch may be to blame.

Fuel System Issues

Clogged Fuel Filter: A blocked filter restricts fuel flow, preventing the engine from starting.

Low Fuel Pressure: A failing fuel pump or blocked injectors reduce pressure, making starting difficult.

Sensor & Electrical Failures

Faulty Sensors: Crankshaft and camshaft sensors are critical for engine function. A diagnostic scan can detect faulty ones.

Wiring or Fuse Issues: Blown fuses or damaged wiring can stop essential systems from working.

Other Factors

Cold Weather: Freezing temperatures thicken oil and weaken batteries.

Damaged Spark Plugs: Worn plugs can prevent ignition.

Regular maintenance helps prevent these issues, ensuring a smooth start every time.
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