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Po452 evaporative emission system pressure sensor /switch low input

The service engine soon light show while the engine is running

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SOURCE: Im trying to locate the Evaporative emission

It is built onto the fuel pump. You can access the fuel pump in the trunk under the carpet. Remove the bolts from the rectangular cover and it is the black sensor pushed into the fuel pump housing.

Posted on May 19, 2010

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Error code kia PO452


P0452 KIA - EVAP Emission System- Pressure Sensor Low Input

Possible causes- Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
- Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection
- Faulty Evaporative Emission System (EVAP) Pressure sensor

Oct 09, 2012 | Kia 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

1 Answer

My 99 alero has emission code P0452 how. Can I fix it


P0452 - Evaporative Emission Control System Pressure Sensor Low Input.
An excessively low voltage from the sensor is sent to ECM.

The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used to control the engine system. It is used only for on board diagnosis.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes
- The EVAP control system pressure sensor circuit is open or shorted
- EVAP control system pressure sensor may be faulty

Possible solution
- Retight gas cap - Replaced EVAP Control System Pressure Sensor

Hope this helps.

Jun 02, 2011 | Oldsmobile Alero Cars & Trucks

2 Answers

What does po440 on a 2003 saturn vue mean with a service engine soon light on


That is a problem in the evaporative emission control system.
Could be anything causing it
Clogged filter in the charcoal canister
A leak in one of the vacuum lines
The purge valve not working,,,etc.
The best thing is to take it and have it checked out, they might have to do a smoke test to find the problem.
All they do is inject smoke into the system, if there is a leak the smoke will come out of it. All it takes is a pin hole in these emission systems to screw it all up.

Aug 13, 2010 | 2003 Saturn VUE

3 Answers

Checked with dtc and got code po452 what does it mean


P0452
Evaporative Emission system pressure sensor / switch low input.

Jun 26, 2010 | 1999 Chevrolet Cavalier

1 Answer

Trouble code shows po452 which is the evap


P0452 Evap.Emission System-Pressure Sensor Low Input

The evaporative emission control system prevents hydrocarbon vapors from escaping from the fuel tank into the atmosphere where they could form photochemical smog. Gasoline vapors are collected in the charcoal canister. The Fuel Tank Pressure Sensor (FTPS) is an integral part of the evaporative monitoring system. The PCM monitors the FTPS signal to detect vacuum decay and excess vacuum. The FTPS measures the difference between the air pressure inside the fuel tank and outside air pressure to check the purge control solenoid valve operation and for leak detection in the evaporative emission control system by monitoring pressure and vacuum levels in the fuel tank during the purge control solenoid valve operating cycles.

Feb 12, 2010 | Hyundai Motor 2003 Elantra

2 Answers

Flashing codes


give autozone the codes and they will give yoy a print out a list of what will cause it or get a repare manual it will save you money in the long run, bobg22

Nov 12, 2009 | 2000 GMC Jimmy

2 Answers

Chech engine light


Evaporative Emission Control System Pressure Sensor Low Input indicates a low voltage problem in the Fuel Tank Pressure Sensor (FTPS). What the fuel FTP sensor does is convert fuel tank absolute pressure into electrical signals and inputs the signal to the ECM/PCM, (Computer). First thing to do is make sure the gas cap is good and tightened properly. Then check the vacuum lines and wiring at the FTPS (Location-Fuel Tank) to be sure they are good, clean and tight.

May 20, 2009 | 2000 Chevrolet S-10

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