P0452 Diagnostic Trouble Code Discussion for November 2011
Fuel Tank Pressure Sensor Circuit Low Voltage
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| Help Request | Posted | |
| 2005 Chrysler Town & Country Touring 3.8L MIL Lamp on VIN: 2C4GP54L05 P0452: NVLD Pressure Switch Sense Circuit Low. ... light p0452 - NVLD pressure stuck closed. Replaced the NVLD pump and purge valve. return the car to cust, light pops back in 5 min of driving. Brought it in, check NVLD, clicked when veh is starting up. I activate the Purge valve and it works fine. Smoke t... |
November 03, 2011 | |
| 1999 Ford Expedition Eddie Bauer 5.4L MIL Lamp on VIN: 1FMRU17L0X P0452: fuel tank pressure sensor below specs. this unit is drawing down the fuel tank pressure under load and cruise speed as the evap purge duty cycle increases. when driving i see the evap purge duty cycle climb up from 0 to 100% and stays there as long as I continue to cruise and the ftp will slow draw... |
November 16, 2011 |
