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-   -   DTC P0947 EVAP system low purge flow (https://www.civicforums.com/forums/140-fuel-oil-cleaners-other-maintenance/340719-dtc-p0947-evap-system-low-purge-flow.html)

metalshredder 05-08-2011 10:05 PM

DTC P0947 EVAP system low purge flow
 
Uhh.....WTF?

So, Autozone shows an EVAP valve.... nobody really shows the evap canister, and by the way, is the canister that little filter thingy by the gas tank that Gearbox cut open in his "forgotten tune up" thread?

I changed the gas cap, since I looked and it WAS bad; EVAP code still came back.

Any suggestions?

gearbox 05-08-2011 10:21 PM

Re: DTC P0947 EVAP system low purge flow
 
no, that is the air filter. the charcoal canister is a different part to trap fuel vapors. low purge is usually related to a faulty evap valve (not opening to send gas vapors to the engine) located near the throttle body.

metalshredder 05-08-2011 10:57 PM

Re: DTC P0947 EVAP system low purge flow
 
Is that the 50 something dollar part that AZ is showing me here?

http://www.autozone.com/autozone/par...79057_0_0_1095

gearbox 05-08-2011 11:42 PM

Re: DTC P0947 EVAP system low purge flow
 
yup.

metalshredder 05-09-2011 10:25 AM

Re: DTC P0947 EVAP system low purge flow
 
Could I possibly clean this thing with some carb cleaner and have a chance of it working again?

gearbox 05-09-2011 02:54 PM

Re: DTC P0947 EVAP system low purge flow
 
carb cleaner will ruin plastics. you could try electric parts cleaner or MAF sensor cleaner.

metalshredder 05-09-2011 03:04 PM

Re: DTC P0947 EVAP system low purge flow
 
A friend may have a can of MAF cleaner...

metalshredder 05-17-2011 07:54 AM

Re: DTC P0947 EVAP system low purge flow
 
Passed emissions yesterday!!!!!!

It only took a downstream O2 sensor, a set of (the right) plugs, and a purge valve.
Not a new cat, like some of the mechanics told me.

gearbox 05-17-2011 10:19 AM

Re: DTC P0947 EVAP system low purge flow
 
sweet. did you need a new purge valve or was the old one fine after cleaning...

metalshredder 05-17-2011 10:30 AM

Re: DTC P0947 EVAP system low purge flow
 
I just bought a new one. it was like $35 at the dealer, I figure if it's that cheap why screw around?

Oh, I took some pics too, just gotta get off my lazy ass and post them...

kamran123 11-30-2011 10:09 PM

Re: DTC P0947 EVAP system low purge flow
 
HELLO I HAVE A 2006 HONDA CIVIC AND IM TRYING TO FIGURE OUT WHERE DOES THE EVAP PURGE VALVE SOLENOID LOCATES AT, I LOOKED ALL OVER THE CAR CAN U HELP ME OUT, PLEASE i need to replace the part help me

metalshredder 11-30-2011 10:37 PM

Re: DTC P0947 EVAP system low purge flow
 
If the 06 car is the same body as the 04, then this part is attached to the throttle body, you'll have to remove the complete air cleaner. If I remember right, it was a pretty straight forward part swap.


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