P0502 Code - Vehicle Speed Sensor 'A' Low Input

What Does P0502 Mean?

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above. When you see P0502 engine fault code on your engine code reader this description will help you.

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What are the common causes of P0502 ?

• A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
• Faulty IMRC actuator relay (if equipped)
• Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.

How do you troubleshoot P0502 ?

Repairs that can fix the P0502 trouble code may include:

• Replacing the vehicle speed sensor
• Repairing or replacing wiring or connectors in the vehicle speed sensor circuit
• Replacing one or more wheel speed sensors
• Replacing a hub bearing
• Replacing a CV axle due to a faulty tone ring
• Replacing the Engine Control Module
• Replacing the instrument cluster
• Fitting the correct size wheels and tires to the vehicle

Searches related to P0502 - Vehicle Speed Sensor 'A' Low Input

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