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Oil maybe. Light is for mostly sensors. Take to closest auto parts store and it won't cost any thing for them to test your computer. Like autozone.
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Could a leak in the gas tank cause check engine light to come on?
Yes, most vehicles have an on-board system to check for vapor leaks in the fuel system.Yes, most vehicles have an on-board system to check for vapor leaks in the fuel system.
Will knock sensor cause check engion light to come on?
Yes, it is one of many things that can cause the check engine light to come on.
Can running smaller tires cause check engine light to come on?
Smaller tires should not cause the check engine light to come on. Smaller tires will cause the speedometer to be off.
Is running out of gas cause for the check engine light to come on?
Running out of gas my certainly be a cause for the check engine light to come on. It could also be an assortment of other issues.
What to do if check engine light comes on and oil level is good?
The oil level will not cause the check engine light to come on.See related question below.The oil level will not cause the check engine light to come on.See related question below.
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
Will installing a thermostat backwards make problems with check engine light?
It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.
What can cause a check engine light to come on?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Will low oil cause your check engine light to come on?
Oil level or pressure will not trip a check engine light.
Will the headlights cause check engine light to come on in 2003 trailblazer?
No
Will a fault in your transmission cause your check engine light to come on?
Yes, it can.
Will a bad egr valve cause check engine light to come on?
It can.
