P144C - Evaporative Emission System Purge Check Valve Performance
P144C Possible Causes
- Stuck open Evaporative Emission (EVAP) canister purge check valve (part of EVAP canister purge valve)
- Damaged EVAP canister purge check valve
First diagnose P144C code
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 terminals.
Cost of diagnosing the P144C code
Labor: 1.0The cost of diagnosing the P144C code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P144C Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P144C MeaningThe Powertrain Control Module (PCM) tests the Evaporative Emission (EVAP) canister purge check valve for a stuck open condition. The EVAP canister purge check valve test is performed during minimal boost conditions, once per drive cycle, when entry conditions are met. The DTC is set if the fuel tank pressure exceeds a calibrated amount within a specified amount of time during the test.
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