P0021 Ford

Ford P0021 OBD-II Trouble Code Definition:

P0021 Intake Valve Timing Control Performance Bank 2

P0021 Ford OBD-II Trouble CodeDescription:

OBD Trouble Code P0021
“A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2)
What does the code mean? OBD-ii Code P0021 definition:
A code P0021 definition:the VVT (variable valve timing) or VCT (variable camshaft timing) components and the car’s PCM (powertrain control module, also called an ECM). That consists of a few different components but the P0021 DTC specifically definition:the camshaft (cam) timing. In this case, if the cam timing is above a set limit (over-advanced), the engine light will be illluminated and the code will be set. The “A” camshaft is either the intake, left, or front camshaft. A P0021 engine code is basically the same as a P0011 code, except this is for Bank 2, not Bank 1.
Symptoms Sumptoms of OBD code P0021
Most likely a P0021 DTC will result in one of the following: hard starting, poor idle, and/or stalling. There are potentially other symptoms as well. Of course, when trouble codes are set, the MIL (malfunction indicator lamp, a.k.a. the check engine light) illuminates.
Causes Causes of the OBD-II code P0021
A P0021 DTC trouble code may be caused by one or more of the following:
Solutions This DTC code is a result of a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Refer to vehicle specific repair manual to perform component tests for the VCT unit. Notes: Dealer techs have advanced tools and the ability to follow detailed troubleshooting steps, including the ability to test components using a scan tool.
Related Codes P0010 P0011 P0012 P0020 P0022