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1998 Buick Regal OBD code reads P0453

Tiny
CHESTERNUTS
  • MEMBER
  • 1998 BUICK REGAL
1998 Buick Regal 6 cyl Front Wheel Drive Automatic

I recieve this code when I checked my obd system. The code tells me it's a Evaporative emmissions contol system pressure sensor high voltage. I have already replaced the MAF, and front O2 sensor. Is this code telling me the O2 after the resinator is defective?
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Friday, October 23rd, 2009 AT 9:10 AM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
P0453 Fuel Tank Pressure Sensor High Voltage possible causes bad ground, faulty sensor, or faulty PCM. Does car run O.K? Sensor in tank
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Friday, October 23rd, 2009 AT 10:13 AM
Tiny
CHESTERNUTS
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The car runs great rpm's are normal at idle and while driving. No misfire. Though it does seem to eat more fuel more than normal.
Thanks for your help!
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Friday, October 23rd, 2009 AT 11:21 PM
Tiny
DOCFIXIT
  • MECHANIC
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Clear code see if it resets. I would leave it be will not effect engine operation
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Saturday, October 24th, 2009 AT 12:24 PM

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