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I took my car to Auto Zone and the ran a test, it showed PO496 as the problem. I see that it is a Evap pressure sensor. Can you please tell me where I can buy one and how to replace this?

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The dealer should have one.It is on top the tank at the fuel sender unit.you will need to lower the tank to access the sensor.THAT IS ALL THE INFORMATION I CAN GIVE YOU BECAUSE YOU DID NOT TELL ME THE YEAR,MAKE,MODEL.

Posted on Dec 29, 2010

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Hi have code po496,I just replaced fuel filter and part of the gas line and had to replace part of the line right below that because I had a code po442.What would cause this new code?thank you


DTC P0496
This DTC tests for undesired intake manifold vacuum flow to the evaporative emission (EVAP) system. The control module seals the EVAP system by commanding the EVAP canister purge valve Closed and the EVAP canister vent valve Closed. The control module monitors the fuel tank pressure (FTP) sensor to determine if a vacuum is being drawn on the EVAP system. If vacuum in the EVAP system is more than a predetermined value within a predetermined time, this DTC sets.
EVAP purge solenoid. maybe.

Aug 23, 2017 | Cars & Trucks

1 Answer

Evaporative emission control system pressure sensor


Don't do anything yet , there are several things that kick that code on. the easiest is to clear the code first. tighten the gas cap so it clicks at least three to for times. drive it and see if code returns.

Feb 01, 2014 | GMC Cars & Trucks

1 Answer

Check engine light up


DTC P0496 - EVAPORATIVE EMISSION (EVAP) SYSTEM FLOW DURING NON-PURGE

SYSTEM DESCRIPTION
This DTC tests for undesired intake manifold vacuum flow to the evaporative emission (EVAP) system. The control module seals the EVAP system by commanding the EVAP canister purge valve Closed and the EVAP canister vent valve Closed. The control module monitors the fuel tank pressure (FTP) sensor to determine if a vacuum is being drawn on the EVAP system. If vacuum in the EVAP system is more than a predetermined value within a predetermined time, this DTC sets.

THIS CODE ID FOR A 3.6L engine

Aug 07, 2012 | 2006 Cadillac CTS

1 Answer

PO496 What is it?


This DTC tests for undesired intake manifold vacuum flow to the evaporative emission (EVAP) system. The control module seals the EVAP system by commanding the EVAP canister purge solenoid valve Closed and the EVAP canister vent solenoid valve Closed. The control module monitors the fuel tank pressure (FTP) sensor to determine if a vacuum is being drawn on the EVAP system. If vacuum in the EVAP system is more than a predetermined value within a predetermined time, this DTC sets.

Oct 22, 2010 | 2004 GMC Sierra 1500 Crew Cab

2 Answers

My engine lite is on and took it to auto zone they checked it and said it was p0455 evap emission control system system leak,large...how do i fix it without taking it to a shop?


Do you know where the leak is ,or what is causing it?
Check all the EVAP hoses in the system.
Pretty hard to test without,pressure,vacuum or smoke machine and system knowledge

May 04, 2010 | 2004 Chevrolet Monte Carlo

1 Answer

The following codes show up on my 2006 chevy colorado PO106 PO116 PO455 PO446 PO496 PO036 PO030


All these codes indicate that maybe you lost your reference signal from the computer. What someone will have to do is check fo voltage and grounds from the PCM on the coolant temp sensor, Both 02 sensor heater circuits, the evap purge solenoid and the gas tank pressure sensor. Its possble the computer failed or you poped a PCM fuse in the fuse box under the hood. The cover should have a legend to tell you which is which but I would pull all of them and inspect anyways.

Apr 20, 2010 | 2006 Chevrolet Colorado

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

1 Answer

Check engine light


the dealer will be the only one with the ability to scan it properly. it is an enviromental issue, and is checked when you go to renew you plate sticker, at an e-test. so if you don't need an e-test anytime soon, it won't effect the running of the car.but it will have to be fixed befor your next e-test

May 23, 2009 | 2002 Toyota Camry

3 Answers

What is PO496 code? I've got a PO171B also, which I'm assuming is dirty an O2 sensor.


2007 cobalt and am getting P0496 code as well. would love to know what is cause!

Apr 30, 2009 | Chevrolet Cobalt Cars & Trucks

1 Answer

My kia has no power


your post is 2 years old .i started last week . im sure by now you got it fixed. if your still havinng a problem try reposting your problem. again with any new info that you have .

Jul 25, 2008 | 2003 Kia Rio

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