93 Octane tune cause P0022 code?
Member
Joined: Jul 2020
Posts: 34
Likes: 3
From: NoCal
Wow. Sorry to hear that. I think getting the chain OFF by one tooth on a phaser during timing job will produce a P0022 and still run, though perhaps not very well. Other than that - I think you are right, its mechanical. Perhaps a stuck partly open VCT or Phaser NOT RETURNING TO BASE position, possibly due to trash getting into oil passageways and now lodged in a Phaser chamber keeping it from returning to zero retard. Did you use good OEM Phasers??
If you can get access to a live data monitor, you can monitor the OBDII signals for CAM ERROR for Bank 2. If there is 'residual' cam error there ALL the time, I might try 'shocking' VCT 2 by applying 12v to it (through about a 50 ohm resistor) and see if you could effect the error reading. If there is no 'residual' retard error - ie if it is intermittent, that might give you more ideas of which direction to go.
The above test can be done if you have or have access to Torque Pro (or a similar scanner which can read specified PIDS). The parameters and gauges are described here.
https://www.f150forum.com/f4/final-r...4/#post5133357
If you can get access to a live data monitor, you can monitor the OBDII signals for CAM ERROR for Bank 2. If there is 'residual' cam error there ALL the time, I might try 'shocking' VCT 2 by applying 12v to it (through about a 50 ohm resistor) and see if you could effect the error reading. If there is no 'residual' retard error - ie if it is intermittent, that might give you more ideas of which direction to go.
The above test can be done if you have or have access to Torque Pro (or a similar scanner which can read specified PIDS). The parameters and gauges are described here.
https://www.f150forum.com/f4/final-r...4/#post5133357