Question about 2003 Toyota RAV4

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Hey my engine check light is on when i drive

The car drives fine but the engine light is on
i would like to know what to do in order for the light to turn off.

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  • chuchu611605 Mar 05, 2009

    thanks
    il make sure and take it down there once i have a chance, it doesnt seem to be having any engine trouble and it sounds fine. Nothing usual going on under the hood
    do you think it be ok to drive it around still


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If you have an Autozone near you take by there and they will test it for you for free and they you will know what is wrong with the car and needs to be repaired

Posted on Mar 05, 2009

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How to fix 4 wheel drive


hey Chris we all need to know what kind of vehicle you have make + model + year + engine size + automatic transmission/manual transmission in order for someone to help you so post back with info and we'll take it from there be specific here please!

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The engine management light is on, and the air bag light is illuminated in red on the dash. The heater is not blowing hot air, although the coolant level is fine. There is a 'whirring' noise


I suggest scanned the computer car in order to know what fault codes is stored there.

When the light comes on, one or more diagnostic trouble codes (DTC) are stored in the engine control module. These DTCs remain even if the light goes out. To address a Check Engine Light problem, the DTCs are retrieved and the appropriate troubleshooting information is followed in order to determine the problem.

The Four Most Common Check Engine Light Scenarios and What to Do:
* The Check Engine Light turns on and off or flickers.
If the Check Engine Light comes on in the city but goes off on the freeway, then the fault is present during city driving conditions. Pay attention to whether or not the vehicle runs or drives any differently when the Check Engine Light illuminates. If vehicle performance does change, drive the car as little as possible and take it to be checked by a service professional as soon as possible. If there is no change in vehicle performance, you can drive home, but have it inspected as soon as possible. In this condition, you run a risk of the vehicle dying or not starting.

* The Check Engine Light comes on and stays on.
If the Check Engine Light illuminates constantly during driving with no noticeable driving or performance problems, there is a permanent fault in the emission control system. When this happens, the computer that controls the emission system usually has a backup program that runs while the fault is present. (These backup programs are often referred to as "limp home" mode programs.) You should get the vehicle serviced as soon as possible, but in most cases, the vehicle will continue to operate, though you run a risk of it dying or not starting.

* The Check Engine Light illuminates, stays on, and there are performance problems.
This means that a vital component of your emission control and engine management system has a serious problem. It usually involves a component or system needed for the vehicle to run at all. In most cases, drive the vehicle as little as possible. In many cases, the vehicle is not safe to drive at all -it could stop or stall out at any moment. It is best to pull over to a safe place and have the vehicle towed to an automotive diagnostician for a thorough inspection and repair.

* The Check Engine Light light comes on and blinks in a steady pattern while driving.
Don't confuse this steady pulsing of the Check Engine Light light (usually one or more flashes per second) with a flicker (see above). The Check Engine Light may stay on steadily or it may flash when the vehicle is accelerated. This is very serious. There is a severe failure of the emission control system that is causing the engine to misfire to the point that the catalytic converter is damaged each time the Check Engine Light flashes. It may mean that the catalytic converter is overheating to the point that it will glow red or, in extreme cases, start a fire on the underside of the vehicle. Immediately pull over to a safe place and have your vehicle towed to an automotive diagnostician for repair. Vehicles can be severely damaged and even destroyed by fire if this condition is ignored for too long.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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1999 M-B E320 drives great for about 5 or 600 miles then as i'm driving the check engine light comes on and the car looses power and idles rough like it wants to stall.It does not stall though.We


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well yes if it is still safe to drive you may continue to drive it but you should get it looked at to see what codes your ecu (cars computer it puttting out ) you can do this for free at autozone they have a free code reading service takes only a few min and they can also print you out a slip telling you whats the reasons are the code is coming up aka check engine light on.

that all being said when the light comes on it means the cars ecu had detected a electronic signal from a sensor that was above or below a preset threshold e.g. you could have faulty o2 sensor it wont normally affect the drivabillity but you will burn more gas as your ecu dont know how to ajust the air and gas mixture therefore resulting in poor gas milage ect but all that being said you most likely just have a sensor that has failed most are easy to replace by yourself

hey hope it helps if so 4 thumbs up would be great have a great day

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