P0021 on FORD EXPEDITION
A Camshaft Position - Timing Over-Advanced or System Performance Bank 2
What P0021 Means on Your FORD EXPEDITION
P0021 is a diagnostic trouble code indicating: A Camshaft Position - Timing Over-Advanced or System Performance Bank 2. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real FORD EXPEDITION Owner Reports
Source: NHTSA Complaints Database
"the service engine light continues to turn on. the timing belt continues to fail and has already been replaced once. the camshaft on both sides have been replaced. the solenoids have also been replaced and the diagnostics codes still pop up (p0022) (p0021) are just some that i can remember."
"My family received a notice of Customer Satisfaction Program 21N08 – PCM Reprogram Due to Engine Shudder – 2017-2020 Ford F-150, 2018-2020 Expedition, & 2018-2020 Lincoln Navigator. We immediate began trying to locate an authorized repair facility. It took several months to get an appointment."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on FORD EXPEDITION
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.