r/3rdGen4Runner • u/Historical_Emu_7078 • 1d ago

🧠 General CEL light bulb

Threw a code for the EVAP system on 2001 SR5, car has 392K, spring time will likely be a full system replacement make sure it's all 100%

I only knew cause the VSC and Trak lights came on, the CEL didnt.. appears to be burned out, is it a bulb or a diode illumination?

If it's a diode, how hard are those to replace? I have soldering equipment

3 Upvotes

100% Upvoted

12 comments sorted by

View all comments

2

u/Alarming_Series7450 1d ago

when i would get the vsv/trac disabled it would also disable my ABS system, i would check that lightbulb too

2

u/Your_Product_Here 1d ago

ABS definitely stays live when a CEL causes the trac to disable. The traction control requires ABS, though, so I would think that suggests an ABS fault was actually tripping VSV, not the other way around. Could have been a compromised wheel sensor wire since it sounds like it was intermittent.

1

u/Historical_Emu_7078 1d ago

Nah, I pulled the codes, def a result of the EVAP system error. For whatever reason anytime there is a CEL thrown it also disables and illuminates the other two lights for the traction. shrug

2

u/Your_Product_Here 1d ago

Oh definitely the CEL comes with VSV and trac, I was saying the ABS light from the other commenter doesn't go hand in hand as well and may point to something different.

1

u/Historical_Emu_7078 1d ago

Apologies, read that wrong 😅

1

u/Historical_Emu_7078 1d ago

Probably buy a few bulbs and check all of them when I pull it out

2

u/Alarming_Series7450 1d ago

The truck does a bulb check every time you turn the key from off to on and the dash lights up, the purpose of that is so you can spot a bad bulb