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1997 Mercury Grand Marquis GS 4.6L P1450 in Memory
Posted to Ford Driveability on 2/25/2011 9 Replies

vehicle came in to ck. for emission test, ck the monitors. Found a p1450 excessive vacuum in the evap system. Ckd. vent valve & control valve. Both ok. Test drove, came back with FTP at .33v. Took off the gas cap and removed the vent valve. FTP stayed at .33v....

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  Related Documents & Media  1997 Mercury Grand Marquis GS

 
Message Closed w/FIX

car Vehicle Data

1997 Mercury Grand Marquis GS

VIN 2MELM74W8V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsP1450 in Memory

Trouble Codes

P1450EVAP Two-Way Valve Bypass Valve Control Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1997 Mercury Grand Marquis GS

VIN 2MELM74W8V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsP1450 in Memory

Trouble Codes

P1450EVAP Two-Way Valve Bypass Valve Control Circuit Low Voltage