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Service engine soon po452 - Vehicle Parts & Accessories

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P0452
Evaporative Emission Control System Pressure Sensor Low Input.
This code can only be erased with the help of diagnostic equipment. Always switch off the engine before adding fuel to the fuel tank.

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

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Code po452 on 2005 dodge stratus


po452 indicates an issue with the nvld valve. it is located above the fuel tank, in order to test this you will need a hand vaccum pump, and and a multimeter if you look at the canister there will be a standard vaccum line and a vent tube wich will be larger, the vent tube needs to be blocked off, and the vaccum pump will need to be hooked up to the vaccum line. Next the meter will need to be inserted into the harness coming from the switch (orange wire).(''t''pins from wal mart sewing department may be helpful here). Keep the harness hooked up key on engine off, when vaccum is applied (about 1 hg on the gauge) the voltage should start at 12 volts and drop to 0 volts if operating correctly ,test it several times, the most common fix is to replace the whole assembly, it includes the charcoal canister, and requires removal of the fuel tank, hope this helps chris.

Jun 23, 2014 | 2005 Dodge Stratus

1 Answer

Sensor codes


http://www.obd-codes.com/p0453.....
http://www.obd-codes.com/p0452

http://www.obd-codes.com/p0420
This is what the codes mean.

Your carburetor and fuel system is acting up (or you lost the fuel cap!)
You need a carburetor and engine service. This is not a user friendly problem!

Mar 09, 2014 | 1998 GMC Safari

1 Answer

Po452 2005 nissan armada


Here's a link to your P0452 code.

Mar 15, 2013 | 2005 Nissan Armada

1 Answer

Have 04 mercury grand marquis check engine light is on for code po452 had that fixed and light still on


Well ---PO 452 is still FTP Sensor Circuit Low Voltage Detected
new sensor or not



If the sensor reads less than .22volts with key on /engine off --you get a hard fault (code)


Check Sensor Connector


Sensor with no pressure or vacuum in tank is 2.4 to 2.8 volts
Key On/Eng Off On scan tool PIDS


You just need a shop with a data base & proper test procedure
or a different tech or different dealer.


I have the 2004 gas engine emissions diagnostic manual for all
2004 fords, as I have a Lincoln LS,so I don't know why a pro
couldn't resolve

Nov 25, 2012 | 2004 Mercury Grand Marquis

1 Answer

Trouble codes PO440 and PO452


PO440-EVAP SYSTEM NO FLOW DURING PURGE.CODE PO PO452 - FUEL TANK PRESSURE SENSOR CIRCUIT LOW INPUT.

Oct 07, 2012 | Chevrolet Avalanche Cars & Trucks

1 Answer

1999 GMC SUBURBAN WONT PASS EMISSIONS HAS CHECKENGINE CODE PO452


your code PO452 comes up............Evaporative emission control system, pressure sensor low imput.

Aug 30, 2011 | 2000 Chevrolet Blazer

2 Answers

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.

Dec 21, 2009 | 2001 Chevrolet Blazer

1 Answer

Runs fine going uphill but starts misfireing going


po300 random misfire it needs a tune up..plugs and wires, air and fuel filter........po452 fuel pressure sensor or the fuel level sensor..The fuel pressure sensor is located on top of the fuel pump module.Hope this help...pls rate

Dec 16, 2009 | 1998 Chevrolet S-10 Pickup

3 Answers

Po452 trouble code changed sensor engine light


you might try unhooking the battiey for 20min both + and - posties cuz that will force the computor to have to resest only if you have addressied the fuel pressure problem which taht would most likly be your filter which isn't all that much

Sep 21, 2009 | 2000 Chevrolet Silverado

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