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How do I troubleshoot code PO453? Already checked fuses for correct amps.

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Yea , fuse's have nothing to do with OBD2 codes ! P0453 OBD II Trouble Code

Posted on Dec 02, 2016

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P0453 is a fault with the evaporative emissions pressure sensor

Posted on Dec 02, 2016

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Follow the link for info and possible causes, not sure why you checked the fuses. https://www.obd-codes.com/p0453

Posted on Dec 02, 2016

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Dec 21, 2009

perkins48
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SOURCE: I have a code po453

Click to view.http://www.obd-codes.com/p0453

Posted on Oct 26, 2012

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1 Answer

Where is the evap.emission system sensor located on a 01 4.0L


On top of the fuel sending unit. You have to remove the tank to get to it. Check the wires thoroughly. You don't want to have to drop the tank again.

Apr 12, 2015 | 2001 Ford Explorer

1 Answer

1998 chevy silverado code po453


The fuel tank pressure switch is on top of the fuel pump and the fuel pump is inside the top of the gas tank.

Feb 10, 2015 | 1998 Chevrolet K1500

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My 2000 BMW wouldn't pass the PO453 keep commjng


P0453 Evaporative Emission Control System Pressure Sensor High input, according to this, you should fix it.
__________
gm tech2

Dec 14, 2012 | Cars & Trucks

2 Answers

Abs light on with a p0452 code


ABS -- is one problem
Possible Wheel Speed Sensor ,but
you can't guess Use codes & other
resouces to diagnose

EVAP System Code PO452 -- may be a
Pressure Sensor issue ,all I have is Low Input
I assume that means high resistance in the solenoid coil,
thus low voltage detected
Again- need scanner & evap smoke machine ,to check out,
unless your guy shot guns common items & gets lucky at
your expense,changing parts

Aug 04, 2011 | 2000 Chevrolet Blazer

1 Answer

My internal lights keeps blowing 10A fuse on lexus is250 sport (2006) model..takes about 3 hours from when you put in the new fuse.


Are the globes you are using internally the correct rating ? Normally a short will blow the fuse immediately.

Also are you sure the 10A fuse is the correct AMP rating ?

Doulbe check both these with either your owners manual or a Lexus dealer.

If both these are correct you will either need to trace, test and check the related wiring yourself using a standard voltmeter (from fuse contact in the fuse box to the globe contact). Check for stable currency and AMP readings. Note the AMP readings for the answer to the above questions.
Auto electric are generally a nightmare, with all the various colour coded wires running inside wire harnesses, making them difficult to trace with out a full wiring diagram for the vehicle
have an auto electrician check it out for you

Oct 11, 2010 | 2002 Lexus ES 300

1 Answer

Turn signals and hazard lights won't work. already replaced flasher unit and burnt bulbs but still no turn signals


Check the Fuse box loacted inside the hood. Look for the guidance on the top of the fuse box for locating trun signal fuses.

Check whether they are good. If not replace with correct rating fuse. If the problem is not solved still, wiring harness has to be checked as the bulbs & flashers are replaced already.

Jun 04, 2010 | 2002 Hyundai Accent

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

My check engine light kept coming on and they replaced the Fuel Tank PRESSURE Sensor. That was about a year ago and now the check engine light is on again. I took the truck to Auto Zone and they took a...


Could be a wiring issue, fuel cap got left off, fuel pressure sensor again or loose connection to the sensor and one of the other Evap hoses. Also might try changing the fuel cap. Look at the underside of the fuel cap and if there are cracks in the sealing rubber, replace the cap.

Dec 09, 2009 | 1999 Chevrolet Silverado 1500

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