P0021

The P0021 code indicates that the engine control module (ECM) has detected a problem with the variable valve timing (VVT) system performance on the intake side, specifically in your 2018 Porsche Cayenne E3.

The P0021 code indicates that the engine control module (ECM) has detected a problem with the camshaft position timing for the intake camshaft on bank 2 of the 2018-Present Porsche Cayenne E3.

The P0021 code indicates a malfunction with the VVT (Variable Valve Timing) system, specifically related to the intake camshaft timing on the Porsche Cayenne E3 (2018-Present).

The P0021 code on a 2018-Present Porsche Cayenne E3 indicates an issue with the camshaft timing, specifically relating to the "A" camshaft position timing over-advanced or system performance problem.

The P0021 code indicates a problem with the variable valve timing (VVT) system on the Porsche Cayenne E3 (2018-Present), specifically related to the intake camshaft timing for bank 1 being out of phase.

The P0021 code indicates a malfunction with the VVT (Variable Valve Timing) system, specifically related to the intake camshaft timing on the Porsche Cayenne E3 (2018-Present).

The P0021 code on a 2018-Present Porsche Cayenne E3 indicates an issue with the camshaft timing, specifically relating to the "A" camshaft position timing over-advanced or system performance problem.

The P0021 code indicates a problem with the variable valve timing (VVT) system on the Porsche Cayenne E3 (2018-Present), specifically related to the intake camshaft timing for bank 1 being out of phase.

The P0021 code indicates that the engine control module (ECM) has detected a problem with the camshaft position timing for the intake camshaft on bank 2 of the 2018-Present Porsche Cayenne E3.

The P0021 code indicates that the engine control module (ECM) has detected a problem with the variable valve timing (VVT) system performance on the intake side, specifically in your 2018 Porsche Cayenne E3.