How do I fix code P0303?

What repairs can fix the P0303 code?

  1. Spark plug replacement for all cylinders.
  2. Replacing the cap & rotor, coil pack, or spark plug wiring as necessary.
  3. Intake air leaks repaired.
  4. Repairing fuel issues.
  5. Mechanical engine issues fixed.

What can cause a misfire in cylinder 3?

A faulty worn spark plug. A failed coil pack or coil-on-plug coil. A bad spark plug wire on a vehicle that has plug wires.

What could cause a P0303 code?

A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. Many times, P0303 occurs when there are worn-out spark plugs, spark plug wires, or a faulty ignition coil.

What causes cylinder 4 misfire?

Cylinder 4 misfire can be caused by a faulty or worn spark plug and faulty spark plug wires or coils. A spark plug terminal with a greenish color means that there might be a problem with the coolant. Problems with the ignition coils and cables can be causing the cylinder 4 misfire, too.

How long can you drive with a misfire?

Most cars can run up to 50,000 miles with a misfiring cylinder, and for that, your car should be literally designed to use tough cantankerous, easily replaced air-cooled four-cylinder engines.

What happens if you misfire the Ford Escape p0303?

Fixing P0303 should be considered a high priority. Unlike a lot of the OBDII codes, this code has to do directly with engine combustion. Driving with a misfire can damage the vehicles catalytic converter.

What does p0303 mean on Ford cylinder 3?

P0303 FORD Tech Notes The P0303 code means that the cylinder 3 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 3.

How much does it cost to diagnose Ford p0303 misfire?

The cost of diagnosing the P0303 FORD code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.

Where is the 3 rd cylinder on a Ford Escape?

An important thing to understand when finding the location of cylinder 3 is that it’s going to be the 3’rd cylinder in the firing order of the vehicle, and not the 3’rd cylinder that you might see when looking at the engine. The P0303 trouble code will trigger the Escape’s service engine soon light. The vehicle itself may begin to run rough.