Questions & Answers for: Toyota Sienna check engine code

...check engine light with the code po420 from autozone.... Does K&N air filters make check engie lights come on? I also have a 2003 pathfinder with 45k miles and I also used K&N air filter.. ...

check engine light vsc light and trac off light VSC and TRAC lights will come on any time the check engine light does to reduce engine load. As such these lights being on may have nothing to do with ...

check engine, vsc, track off light come on in same time the vsc light comes on when ever the check engine light comes on, this is because the vsc cant operate correctly when engine isnt running right ...

99 TOYOTA CAMRY CHECK ENGINE LIGHT IS ON You are going to have to get your car plugged in to a code reader and you will then be able to identify fault code causing check engine light illumination,

check engine light came on week ago. changed battery today and now check engine light not on. Will check engine light come on later? The check engine light may come on later. When the check engine ...

check engine light, Trac Off and VSC lights are one. Why? How do I fix it? On most Toyota's that are equipped with Cruise Control (Vehicle Speed Control or "VSC") and with Traction Control System (TCS

check engine light stay on in 1999 sienna ...it went off after new battery was installed...thenon again The engine light stays on because the computer has detected a fault code, when disconnecting the

Check engine light Car h been running fine. Just got in it and the check engine light came on and it's running very rough and sluggish. Ay ideas? Need to know what the code is. If you don't know ...

...engine check light goes off when I disconnect the battery terminal. The light will not come on when the engine is run as long as required but once it is switched off and restarted the light will come ...

...Check Engine" and the codes " P1135 A/F sensor Bad Operation ". I replaced the sensor "USOS-4000" but the Check Engine still ON. what are my next steps? Thanx Unless you clear the code, sometimes you ...