Check Engine Light
05-01-2006, 11:03 PM
#3
Registered User
Originally Posted by slemay6
2001 4runner 86000 miles Codes PO 440,441,446.They said it is the fuel system any guesses
https://www.yotatech.com/forums/f128/obdii-trouble-codes-76363/
P0440 Evaporative Emission Control System Malfunction
P0441 Evaporative Emission Control System Incorrect Purge Flow
P0446 Evaporative Emission Control System Vent Control Circuit Malfunction
And I agree with Humanoid.. check the gas cap. Past that, the evap canister could be plugged.
Yeah I tried the gascap no workie
05-03-2006, 05:52 AM
#5
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Did you reset the codes after tightening the gas cap? The codes won't go away by themselves, so if you didn't do it, disconnect your battery for 5 or 10 minutes (or pull the ECU fuse) to reset your computer, then reconnect the battery (or re-install the ECU fuse), start the truck, and see if the CEL comes back.
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