![]() 22 = Specific fault index (In our case, Heater Circuit ‘A’ Malfunction).2 = Turbocharger Boost Sensor A Circuit Low.And with the counter reaching a previously listed value, the ECM sets a fault allowing the engine to derate.Īnd in case the leak is undetectable, the counter counts down until it reaches zero afterward, the engine starts running normally again. Whatever it is, the fuel delivery system is not operating as it should. The extra fuel going out of the system could be reaching the cylinder or other mechanical parts. It runs when the ECM has detected an excessive fuel going into the rail instead of the injectors. When the code is flashing, it indicates a leak in the fuel system. Let’s try to understand the code in simple terms. What Does Code P1222 Mean On 6.7 Cummins? Can You Drive Your 6.7 Cummins With Code P1222?.How Much Does It Cost To Fix 6.7 Cummins P1222 Code?.Other Symptoms Of Getting Code P1222 On 6.7 Cummins.How Serious Is Code P1222 On 6.7 Cummins?.What Does Code P1222 Mean On 6.7 Cummins?.
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June 2023
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