P06D1

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2017-10-10

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Description:

• ECM (car computer) not able to read ignition coil signals, and thus may not be able to do its job properly

Possible Symptoms:

• Poor fuel economy

• Engine knock on acceleration

• Displays an intermittent stumble or miss

Possible Causes:

• Faulty Ignition/Distributor engine speed sensor

• Faulty crankshaft position sensor

• Ignition/Distributor engine speed sensor harness is open or shorted

• Ignition/Distributor engine speed sensor circuit poor electrical connection

• Low battery charge

• Faulty Engine Control Module (ECM)

Related Parts:

• Engine Control Module (ECM): ECM is the part of the car computer that controls the engine system and performance. Problems lead to poor fuel economy, engine stalling & unwanted engine vibrations

Possible Solutions:

• Check for wiring and electrical issues

• After making sure that timing marks are aligned, test belt or chain deflection using manufacturers specifications