answersLogoWhite

0


Best Answer

It is on because the ECU has detected a problem with the emissions system. Have the system scanned with an OBD2 scan tool to retrieve the code that has been set. This code will tell you what part of the system is being effected. Not necessarily the defective part but what part is being effected.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What causes the check engine light on a 2001 Toyota Camry come on?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

2007 Toyota Camry check engine light?

how to discontect the engine light on a 2001 toyota camery ?


How do you turn off the check engine light on a 1999 Toyota Camry?

To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on. To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on.


How do you reset the 1993 Toyota Camry check engine light?

you will go to the toyota dearler it good pleace


How do you reset 1990 Toyota Camry check engine light?

how to reset oil timing on 1990 toyota


What causes the check engine light to come on in a 1994 Toyota Camry?

The computer has detected a fault with one of the electronic components and is warning you to run a diagnostic test.


Who do you Reset the check engine light in a 1999 Toyota Camry?

You have to find the reason why it came on.


What type of Engine oil does a 2001 Toyota Camry takes?

You didn't say what engine you have? Check the link and it will tell you.


What kind of jumper wires are needed to check the engine codes on a 1994 Toyota Camry?

Go to----- http://www.extreme-check-engine-light-codes.com/Toyota%20OBD1%20Decoder.htm---- for this info


What does the orange indicator light in the dashboard of a 1999 Toyota Camry mean?

ABS, check engine.


How do you reset the check engine light on 200 Toyota Camry?

lift the bonnet hey presto


Can bad gas trigger check engine light on a 1998 Toyota Camry?

One word answer: YES


Reset check engine light 1998 Toyota Camry?

Just disconnect the battery for couple minutes.