MasterTuning Fault code dictionary (DTC)

P2434 — Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic Bank 1

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningSecondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic Bank 1.
FamilyPowertrain (P)

Frequently asked questions

What does code P2434 mean?

Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic Bank 1. Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic Bank 1.

Can I keep driving with code P2434 active?

With caution: limp mode possible, have it checked soon

How do you fix code P2434?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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Where to get it fixed

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