Check Engine Light Due to Failed Charcoal Canister on Toyota 4Runner

The evaporative emission (EVAP) system may illuminate the vehicle's Check Engine Light due to intermittent failure of the charcoal canister purge control solenoid valve or canister failure. Upon failure of the charcoal canister, debris may circulate around the EVAP system causing other emission control problems.

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Average mileage: 156,592 (92,000–240,000)
7 model years affected: 1998, 1999, 2000, 2001, more2002, 2004, 2005
40 people reported this problem
16 people shared problem details
2002 Toyota 4Runner130,000
My situation seems to be almost textbook "average" situation. 1. VSC lights + Check engine lights appear, triggered by idle or slow RPM situation. 2. Tried "fixing" with tightening gas cap, taking neg. terminal off battery for 15 minutes + pulling fuse to reset system. 3. Seemed to work. Went for a couple weeks without lights. 4. Lights returned. 5. Took to repair (dealer) for diagnostics, quoted "bad charcoal canister and/or sensor". 6. Quote: $110 for diagnostics + $500 for part (canister) + $200 labor = $800. (this is at Elmhurst Toyota near Chicago).
2004 Toyota 4Runner125,000
EVAP Issue Check engine light on as well as VSC Trac and Trac off lights.
2002 Toyota 4Runner128,700
Check engine light came on which also triggers lights for Traction Ctrl. Diagnostic shows code 0440. Replaced charcoal canister
2002 Toyota 4Runner130,000
Check engine light came on. Trac control disabled. Code is P0446 Evap system control falure
2002 Toyota 4Runner185,000
Check engine light on and trac control disabled. Gas mileage terrible when code P0440 is set. First tried gas cap from dealer. Nope. Code returns. Smoke test reveals bad charcoal vapor canister. $485 at dealer plus $150 labor to install. I am going to pull canister and look for leak myself before spending that kind of cash.
2002 Toyota 4Runner187,000
Check engine light on as well as vsc,trac lights. Dealer pressure tested the evap system and told me it was my charcoal canister. 435.00 for canister and 150.00 labor. I did not fix and have been driving it for about 6 months now. I might pull it out and check and replace rubber o rings, and reset the check engine lights to see if that fixes problem first.
2001 Toyota 4Runner99,000
I have read a lot about this problem. Have had the two valves under the hood replaced and replaced the fuel tank. I am smelling gas fumes from under the car and the fuel tank is not holding pressure. I am guessing it is the canister...
2001 Toyota 4Runner173,000
VSC and check engine light; told canister failure
2004 Toyota 4Runner157,000
VSC lights on and same code. Replaced fuel cap, tested VSV, the charcoal canister is next.
1998 Toyota 4Runner187,000
not fixed yet $$$$
2002 Toyota 4Runner207,220
saw the check engine light was on as well as one other light (can't remember the name) but at the SMOG check spot, the results showed "P0440 EVAP CTRL System Malfunction"
2005 Toyota 4Runner158,000
Same issue with Check Engine + VSC Lights stay on. I discounted the battery and the light went OFF, but they came back on after I put 3K mile on the truck.
2001 Toyota 4Runner125,000
Same symptoms, same cause: canister failure. Local repair shop in FLL will replace the canister for $675.00
2005 Toyota 4Runner189,000
what should be done and cost of repairs
2004 Toyota 4Runner162,000
check engine lights come on, trac control system disabled, Mechanic reset engine lights and it ran great. Now less than a week later it is on again. The mechanic said they need to replace the valves and canister.
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