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CHEVY P0452 ENGINE LIGHT ON

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P0452 is Evaporative Emission Control System Pressure Sensor
Low Input
you have a pressure leak in gas tank or fuel tank cap not sealing good or was remove while engine running
hope it helps

Posted on Apr 01, 2014

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P0452


P0452 Would indicate Evaporative emmision ( EVAP) pressure sensor low input , this could mean that there is a short in the sensor wiring leaning more towards a short to earth , the pressure sensor itself or as last resort the (ECM) as a rule the tubing leading from the gastank to the purge valve canister , the canister itself and the tube leading all the way to the intake manifold via the purge valve should not escape inspection. See if the gascap fits well and is properly in position .
Hope this helps a bit ,
Regards
Faldih Higgins

Jun 15, 2014 | 2006 Dodge Grand Caravan

1 Answer

My 2001 saturn is trying to turn over and start but wont check engine light code p0452


P0452 Saturn Fuel Tank Pressure Sensor Circuit Low Voltage
"P0452 - Evaporative Emission Control System Pressure Sensor Low Input. Evaporative Emission Control System Pressure Sensor Low Input indicates a low voltage problem in the Fuel Tankicon1.png 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 vacuumicon1.png lines and wiring at the FTPS (Location-Fuel Tank) to be sure they are good, clean and tight.
Barring a wiringicon1.png problem it can be a bad FTPS or PCM.
"
I copied this blog on the code p0452. So, check gas cap, check vacuum lines from fuel tank and trace the lines making sure there is no break. check wire plug on the fuel tank pressure sensor.

May 16, 2014 | Cars & Trucks

1 Answer

P0452 code


tank pressure sensor

May 03, 2013 | 2005 Saab 9-5 Sedan

1 Answer

Smog check time. code says p0452 on 1998 chevy suburban


P0452 That the fuel tank pressure sensor.It sit right on top of the fuel pump module,you dont have to drop the tank,you can reach in there and pop it out and pop it in,just make sure the harness is good and make sure there is no loose clamp from a fuel pump repair,3_28_2012_7_34_53_pm.jpg

Mar 28, 2012 | Cars & Trucks

1 Answer

1998 chevy suburban p0452


Hi there:

DTC P0452 - Fuel tank pressure sensor- low voltage
Possible causes:Faulty fuel tank pressure sensor open/short in wiring harness between pressure sensor & VCMFaulty VCM

Below is diagnostic testing for both codes. You need to address DTC P0452 code first. In order to do full testing in order to determine problem you will need a DVOM(digital voltmeter) and a level 2 diagnostic scanner.Most of the testing can be done with the DVOM.

I strongly urge doing the diagnostic troubleshooting before replacing parts. It can just as easily be a short/open in wiring as a faulty part.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Mar 28, 2012 | Cars & Trucks

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

1 Answer

What is a p0452 code for a 2005 Chevy trail blazer


DTC P0452 - Fuel tank pressure sensor- low voltage.----------

Possible causes:------Faulty fuel tank pressure sensor.

  • open/short in wiring harness between pressure sensor & VCM.
  • Faulty VCM.
----------------
The fuel pressure sensor has to be checked and replace.-----------Thanks.Helpmech.

Feb 01, 2011 | 2005 Chevrolet TrailBlazer

1 Answer

Engine light on-trouble code P0452


EVAP fuel tank pressure sensor low output. It sounds like the charcoal -filled canister, it's near the gas tank in a cylinder shape.The canister may have cracks or a hose is leaking around the area and it will give a fault code of PO452. Are you smelling any odors or emission smell from the car?

Feb 26, 2010 | 2002 Ford Expedition

2 Answers

Troubleshooting codes 1998 chevy truck S10 pick up were to find parts on truck ; codes p0171,p0401 ,p0452,p0131


p0171-System Adaptive Fuel Too Lean

p0401-EGR

p0452-EVAP Fuel Tank Pressure Sensor Low Input

p0131-Upstream Heated 02 Sensor Circuit

Hope That Helps.

Jan 15, 2010 | 1998 Chevrolet S-10 Pickup

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