Evaporative Emission System Control Valve Low/No Flow
Table of contents
P1443 FORD Possible Causes
- Loose fuel filler cap
- Faulty EVAP Canister Purge Solenoid Valve
- EVAP Canister Purge Solenoid Valve harness is open or shorted
- EVAP Canister Purge Solenoid Valve circuit poor electrical connection
- Blocked hose between the purge valve and FTP sensor
- Faulty EVAP Fuel Tank Pressure (FTP) Sensor
How do I fix code P1443 FORD?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
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Cost of diagnosing the P1443 FORD code
The cost of diagnosing the P1443 FORD code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1443 FORD Description
The Powertrain Control Module (PCM) monitors the fuel tank pressure. The Diagnostic Trouble Code (DTC) will set when the PCM detects a fuel tank pressure change greater than minus (-) 7 inches of water in 30 seconds occurred with a purge, fuel vapor, flow at less than 0.02 lb/min (0.15 gm/s).