P0443 on FORD FOCUS
EVAP System Purge Control Valve A Circuit
What P0443 Means on Your FORD FOCUS
P0443 is a diagnostic trouble code indicating: EVAP System Purge Control Valve A Circuit. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real FORD FOCUS Owner Reports
Source: NHTSA Complaints Database
"Problem: Reoccurring check engine light and ODB2 Code's P0443 & P0444 Repairs made: MAF Sensor Purge Control Valve Reset Computer Air filter Cap less Gas Fill, W0133-2022154 Related Safety recalls: 18S32, 19V515000, 18V735 or 18V735000 I believe the Problem occurs due to an recall that was not"
"Check engine light came on Saturday morning on my way to work, When checked it comes up as fault codes P0420, with secondary codes of P144A - EVAP Emission System Purge Vapor Line Restricted/blocked, P1450 - Unable to bleed up fuel tank vacuum, and P0131 - O2 Circuit Low Voltage (Bank 1, Sensor 1),"
"A stuck CPV is leading to excessive vacuum in the fuel vapor system, causing the plastic fuel tank to deform, resulting in an inaccurate or erratic fuel gauge indication, inaccurate distance to empty (DTE), and/or other drivability concerns."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on FORD FOCUS
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.