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www.toyota-4runner.org/.../4164-check-engine-light-vsc-trac-trac-off-li... Jun 6, 2004 - I just bought it, and a few days later the check engine light, VSC TRAC, and TRAC OFF lights all came on. I took it to a dealership and was told ...
That code relates to a crankshaft position sensor signal. It you have a check engine light come it disables the VSC and Trac system. Until you get that sensor fixed the VSC and the TRAC system will be inop. So whenever you have a check engine light come on that is what you will see. Even though you cancel the check engine light the fault still exists and the VSC/ TRAC light will come back on. That is a sure way to tell that something is wrong.
The check engine light tells you the computer has found a problem with the performance of the engine. Have someone check the computer for trouble codes.
The P1135 code on your Toyota is Air fuel ratio sensor - heater circuit malfunction. Basically
the problem there will be with the air/fuel ratio sensor (on other vehicles
it is refered to as an O2 oxygen sensor), or the wiring/connectors leading to
it. It could also be a problem with a fuse or relay on the heater circuit. Again,
not a real difficult problem to solve.
just fixing the P1135 code will not cause the check engine
light to stay off because there are other unrelated codes. If the code P1135
was causing the other problems then perhaps fixing that code would fix the others,
but that's not the case here. The reality is you'll need to have all the problem
areas looked at (IAT sensor, MAF sensor, Air/fuel ratio sensor) and repaired
in order for your engine light to stay off. Normally if there are codes stored
a vehicle cannot pass inspection. I would get a second opinion from another
local mechanic as what you've been told may not be 100% correct.
Those lights indicate an issue with ABS or traction control systems. In order to properly diagnose the problem the vehicle's codes will need to be read with a scanner.
Generally speaking there is no danger in driving the vehicle but be aware you may not have functioning traction control and/or ABS while those lights are present.
anyone knows the solution for Camry Engine code 440. I reset at half tank of gas & then filled upo the tank. Engine Light came back exactly on half tank again.
Toyota Specific Trouble Codes
P1135
Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1) If you have changed the proper sensor then you may need to have the cam shaft looked at.
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