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It is on because the computer has detected a problem with the emissions system. Take it to a trusted mechanic for a scan and diagnostic of the problem.
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∙ 17y ago
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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
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.
How do you tell if your oxygen sensor is going bad on a 1999 Toyota 4 runner?
you would have code "pending" and a check engine light
Why would check engine light come on Toyota Camry 2001?
There are dozens of reasons. But in most cars of this model some sensors just become old and have to be replaced. When sensors fail ECU sets off the check engine light.
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Depends on which light you are referring to. The "Check Engine" light comes on when there is a problem with the emissions system. The "Maintenance Required Light" comes on when scheduled maintenance is required as outlined in your owners manual.
What would cause the check engine light to come on in a Toyota?
Any fault that affects emissions will turn the light on. You need to have it checked for codes to know possible causes.
Why would the cam sensor turn on check engine light?
That is what the check engine light is for. It informs you of a failure.
Why would check engine light be on for 97 Toyota Previa and diagnostic reads ABS 2 quick blinks and Cruise 2 quick blinks check engine stays on Why and what does this mean?
get a haynes manual at a library
Would a bad EGR valve in a 2000 Toyota Solara make the engine light come on?
Yes, it would. I have an '01 Solara, and when I took it to the dealership to see why my check engine light was on, after they scanned it, they told me that it was due to a bad egr valve.
What would cause your clock and cigarrete lighter and chargers to stop working and your engine light to come on and stay on in a 2003 Toyota sienna?
Check fuses
What gasoline brand is the best for a Toyota Sienna?
Bp i believe is great used hess, getty, sunoco and engine would knock like crazy. Also my check engine light would turn on with the others...
2000 Chrysler cirrus what would make the check engine light flash?
A flashing check engine light is an indication of a severe engine misfire.
