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/PLVIDA píše:Condition
The engine control module (ECM) receives information from the heated oxygen sensor (HO2S) about fuel / air mixture at both the upper and lower part-load range. If the fuel / air mixture deviates from λ=1, the short-term fuel trim will compensate for this by adjusting the injection time so that λ=1 is achieved. When the short-term fuel trim makes an adjustment, the integrator median must be adjusted by the long-term trim. The diagnostic trouble code (DTC) will be stored when the long-term trim must be adjusted almost to maximum in the upper and lower part-load ranges.
The diagnostic trouble code (DTC) can be diagnosed when driving under specific driving conditions.
Substitute value
None.
Possible source
Incorrectly calculated ethanol content.
Air leakage in the intake system.
High fuel pressure
Leaking injectors
Damaged mass air flow (MAF) sensor
Contaminated engine oil
Oil level too high
Damaged heated oxygen sensor (HO2S).
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