Question about Cars & Trucks
Posted by Anonymous on
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Posted on Jan 02, 2017
you may have to drive it several days for the light to go off, or have the codes cleared. personally I would just drive it. if the computer tests it, and it passes the test, it will go off on its own.
Posted on Sep 21, 2009
SOURCE: codes po452 and po453
both codes point to the fuel tank evap pressure sensor. High and low input faults.
Try clearing the codes first and seeing if they come back
You may have a vacuum leak, cracked or open vacuum line or faulty sensor.
Posted on Dec 21, 2009
Hi, REMOVAL PROCEDURE
The codes indicate a problem with the fuel tank pressure sensor. One code is for no volts, the other is for high volts. Without a scanner hooked up to monitor. I have to go with you have a bad fuel tank pressure sensor. this is an emissions control sensor. the tank is pressurized and the sensor monitors it for leaks etc. the tank must come out as it is mounted on top of fuel pump module
Posted on Feb 02, 2011
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