How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Virtual Wrench Your Own Question
Virtual Wrench
Virtual Wrench, Toyota Mechanic
Category: Toyota
Satisfied Customers: 14612
Experience:  35 years Master Mechanic
Type Your Toyota Question Here...
Virtual Wrench is online now
A new question is answered every 9 seconds

2004 Toyota Tacoma: cyl..check engine light..I drove through a puddle

Resolved Question:

I have a 2004 Toyota Tacoma 4 cyl. The check engine light used to come on if I drove through a puddle now it comes on anytime. My oil is changed every 3000 miles and the level is fine.
Submitted: 6 years ago.
Category: Toyota
Expert:  Virtual Wrench replied 6 years ago.



The light will come on when one of the many sensors sends an out of range signal to the computer. The computer then stores a diagnostic code which can be retrieved with the use of a scan tool. If you take it to a parts store, like Autozone, or others, they will retrieve the code for free and tell you which system/circuit is involved. If its running ok, then its probably emission related and we have seen alot of faulty gas caps cause this. It may be something that you can fix right there, if its deeper, post the code(s) here and we will point you in the right direction.


If you have further questions feel free to reply.

Virtual Wrench and other Toyota Specialists are ready to help you

Related Toyota Questions