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P0452 Diagnostic and EVAP System Issue on 2009 Chrysler T&C

Model: 2009 Chrysler T&C Fault Code: P0452 Posted: 2015-12-03 16:44

The Check Engine light activated recently on my 2009 Chrysler T&C, and the only fault code detected was P0452. The vehicle has been idle for nearly nine months and runs smoothly under normal conditions. However, when refueling, the fuel pump repeatedly shuts off, which I suspect is due to air being present in the filler tube or tank. Despite ensuring the gas cap is securely tightened, the issue persists. This P0452 code points to an EVAP (Evaporative Emission Control) system malfunction. I'm seeking advice on how to properly diagnose and resolve this problem.

Related fault codes
P0452
Comments (2)
Anonymous 2015-12-03 18:00

P0452 is related to the EVAP system, specifically indicating a pressure sensor or venting issue that causes the fuel pump to shut off during refueling.

Anonymous 2015-12-04 13:55

Thanks! That makes sense. Yesterday I tightened the gas cap slightly after starting the car and noticed the Check Engine light turned off. This suggests a loose cap might have been contributing to the issue. I'll replace the gas cap with a new one and monitor the situation closely moving forward.