BMW P1420: Secondary Air Injector Valve Circuit Electrical Malfunction
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BMW P1421: Secondary Air Injector Valve Circuit Short to Ground
Learn about the BMW P1421 code, its possible causes, and how to repair them with our expert guide. Visit us now for the complete lowdown on BMW engine problems.
BMW P1423: Secondary Air Pump Valve Plausibility
Learn about the BMW P1423 code, its possible causes, and how to repair them with our expert guide. Visit us now for the complete lowdown on BMW engine problems.
BMW P1432: Secondary Air Injection Valve Open
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BMW P1453: Secondary Air Injector Valve Circuit Electrical Malfunction (Disconnection)
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BMW P1470: EVAP Emission Control LDP Circuit Electrical Malfunction
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BMW P1472: EVAP Emission Control Leak Detection Pump Circuit Short to Ground
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BMW P1473: EVAP Emission Control Leak Detection Pump Circuit Open
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BMW P1475: EVAP Emission Control LDP Circuit Malfunction/Signal Circuit Open
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BMW P1476: EVAP Emission Control LDP Circuit Malfunction/Insufficient Vacuum
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