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Old 09-09-2019, 02:03 PM   #8
Scooby Newbie
Member#: 492450
Join Date: Oct 2018
Location: AB, Canada
2006 Forester - NA


Originally Posted by 08SpecB_DE View Post
What brand part did you install? Did you check terminal tension? If you can command the purge on with a scanner, use a light bulb as a load in place of the solenoid. Does it light up when commanded on? If not, are you missing power or ground? I'd have to see a wiring diagram but if the ecu controls ground and you have no ground, probe into that ground wire at the ecu and supply your own ground. If the bulb now lights up, it's the ecu. If it does not light up, check for a broken wire. One thing to remember, new only means shiny, that new purge could be bad. Check ohms specs for the purge and compare to what you have.
Im thinking the new purge valve is faulty but just got sick of not having cruise control due to the CEL light so I edited the ROM to remove the DTCs. Might get around to swapping the valve sometime and will go through what youve suggested. Thanks!
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