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Because the ECU has detected a problem with the emissions system.
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∙ 11y ago
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What are the check engine codes for a 1985 Toyota 4runner?
There are hundreds of different codes that can cause the check engine light to come on. It needs to have a code reader hooked up to find out the specific code. Most auto parts stores will do this for free.
When you push in your brakes on my 91 Toyota 4Runner why does the dashlights come on?
Check the brake light bulbs, one of them may not be installed correctly.
What does it mean when the check engine light vsc off light and vsc trac light all come on at the same time on a 2001 Toyota 4runner 4wheel drive?
It means there is no output from your ECM (Engine Control Module). You need a new one.
Check engine light in 2004 Toyota Tacoma?
The check engine light in a 2004 Toyota Tacoma can come on for many reasons. It could indicate an exhaust leak or a problem with the engine.
Check engine light on Toyota tercel?
The check engine light on a Toyota Tercel can come on for a variety of reasons. It can be come on whenever there is a problem with the engine that needs attention. To reset it, disconnect the battery for a few minutes then re-connect it.
Will the check engine light on a Toyota Highlander come on when the coolant level is low?
It is possible that a check engine light on a Toyota Highlander will come on if the coolant level is low. Usually, though, there is another light that will come on that says 'low coolant' on some older Toyota's.
What causes the check engine light to come on in a Toyota Sienna?
Low fluid levels in engine.
What would cause the check engine light on a 1999 Toyota Rav with 66000 miles on it to come on?
check the gas cap... usually if you "lost" yours and/or it isn't tight this could cause the check engine light to come on
Where is the torque converter on the Toyota 4Runner?
Inbetween the engine and transmission, located in the bell housing. To access it, you will need to drop the drive shaft and pull the transmission out. The torque converter will come out with the transmission.
If your AT high temperature light comes on after installing a new transmission on a 1995 Toyota 4Runner would installing a cooler help or should I try something else?
check cat converter for plugging , it will cause extremely high exhaust temperatures causing your check engine light and your a/t tempt lite to come on. this happened to my 94 4runner. at free way speeds 70 mph after changing cat converter no more problems.
Would gunning the engine on a 1998 Toyota Camry cause the Check Engine light to come on?
Yes, it can cause check engine light to come on. Reasons are multiple - anything from air/vacuum leak, spark problems etc. to major failure.
What year did Toyota 4runners first come equipped with latch system?
According to a Toyota, they began installing the LATCH system in the 4Runner beginning with the 2003 model.
