Evaporator system diagram- PO456

XYYZ · Jan 21, 2014

Hi guys.

I keep getting PO456 after clearing many times. I know the gas cap is the easiest fix but is not the cure very often.

I am going to check the evp system piece by piece looking for a leak or signs of wear.

Does anyone have a schematic or diagram of the complete system? Finding all the related components will help very much.

Thanks.

Greg.

Fat Slob · Jan 21, 2014

bedrck46 · Jan 21, 2014

1 9030 Fuel filler cap
2 9C052 Fuel tank pressure sensor
3 9B593 Fuel vapor vent valve
4 9C915 Evaporative emission canister purge valve
5 9F945 Canister vent solenoid
6 9D653 Evaporative emission canister
7 9002 Fuel tank
8 9B593 Fuel vapor vent valve
9 9189 Fuel filler pipe check valve

XYYZ · Jan 21, 2014

Thanks to both you guys, nice diagrams. Now just need to dig in and figure this out.

bedrck46 · Jan 21, 2014

you may want to wait until you get the workshop manual lots of good troubleshooting information that should make it easier for you

XYYZ · Jan 21, 2014

bedrck46 said:
you may want to wait until you get the workshop manual lots of good troubleshooting information that should make it easier for you

Thanks bedrck46. I just bought the workshop manual you recommended.

Yes the troubleshooting section will be very helpful. I WILL need it..lol

Evaporator system diagram- PO456

XYYZ

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Fat Slob

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bedrck46

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XYYZ

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bedrck46

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XYYZ

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