Thread: Cel p0452
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Old 07-30-2019, 09:16 AM   #2
JFP in PA
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Join Date: Feb 2005
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Quote:
Originally Posted by flouese View Post
Since I changed out motors I have been running trouble free. Yesterday, the P0452 code popped up. Is the correct fix for this to change out the fuel pressure sensor or am I missing something simple? Are there any symptoms that I should have seen to know this was coming?

99 2.5L base w/86K miles

Thanks in advance
P0452 indicates that the tank pressure sensor is below the lower limit. Possible fault in wiring from the sensor to the DME that is shorting to ground.
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