How To Fix P0021 Ford F150?
P0021 Ford F150 means your Ford ECU detected over-advanced camshaft. Contaminated engine oil, faulty timing phaser, and damaged variable camshaft timing can also trigger P0021 code on Ford F150. You can diagnose this serious trouble code by following some symptoms and performing some tests. However, you may need to repair or replace the expensive faulty parts to clear P0021 error … Continue Reading