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Ask Chris (aka- Moose) Your Own Question
Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Ford
Satisfied Customers: 45072
Experience:  16 years experience
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2005 f150 5.4 triton I'm getting p0020 and p0021 codes.

Customer Question

2005 f150 5.4 triton I'm getting p0020 and p0021 codes. Help
Submitted: 1 year ago.
Category: Ford
Expert:  Chris (aka- Moose) replied 1 year ago.

Have you done any repairs or diag so far?

Do you need the Ford diag steps for these codes?

Any running issues noticed?

Customer: replied 1 year ago.
I just had a severe drop on fuel economy. Was around 16-17 now it's 10. It dropped when the cOde popped up. I need to know what's wrong and what to do about it.
Expert:  Chris (aka- Moose) replied 1 year ago.

Below are the diag steps

This concern is for the variable cam timing on the drivers side of the engine. Related to the VCT solenoid, or phaser or cam timing out of specs.