What Does P0284 Mean? The PCM has detected a voltage reading in the fuel injector circuit (for the fuel injector in cylinder 8) that does not conform to the manufacturer’s reference value. engine code P0284P0284 fixobd P0284dtc P0284obd code P0284obd2 P0284P0284 car codediagnostic code P0284car code P0284check engine code P0284fehlercode P0284P0284 fiatcodigo P0284codigo falla P0284P0284 kody b??dówcodigo de falla P0284 What are the common causes of P0284 ? A large air leak at or near the number one oxygen sensor would also cause a lean mixture. Faulty IMRC actuator relay (if equipped) Faulty IMRC actuator/sensor How do you troubleshoot P0284 ? Depending on what’s wrong that caused the code to be stored, any of the following steps could be necessary to clear it from the system. Searches related to P0284 - Cylinder 8 Contribution/Balance Fault p0284 6.0 powerstroke p0284 6.7 powerstroke ford 6.0 contribution balance 6.0 powerstroke cylinder 8 contribution balance fault p0284 duramax 6.4 powerstroke cylinder 8 contribution balance fault p0284 code 7.3 powerstroke 6.4 l powerstroke cylinder 8 contribution balance