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- - Cel p0452 (http://986forum.com/forums/boxster-general-discussions/75867-cel-p0452.html)

flouese

07-30-2019 07:43 AM

Cel p0452

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

JFP in PA

07-30-2019 09:16 AM

Quote:

Originally Posted by flouese (Post 600165)

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.

flouese

07-30-2019 10:09 AM

Quote:

Originally Posted by JFP in PA (Post 600168)

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.

How do you chase that down? My understanding of electricity stops at the on/off switch.

JFP in PA

07-30-2019 11:56 AM

Quote:

Originally Posted by flouese (Post 600171)

How do you chase that down? My understanding of electricity stops at the on/off switch.

You need a multimeter and some electrical knowledge; if you don't have such, take it to someone that does.

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