Question about 2006 Renault Le Car

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The fuel emissions light is on and blinking is it safe to drive

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  • Renault Master
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Hi.

That means that the O2 sensors (AKA Lambda sensors) detect that fuel is not burning in the right way, and that the car is using the wrong air/fuel mixture and producing too high emission.

Unless there is some additional problem the car is safe to drive, but you are advised to do a fault code scanning and to have a check-up done as soon as possible.

The car is not only polluting and wasting too much petrol, but the emission problem may be the symptom of a different fault that in the long run may damage the engine.

Regards.

Ginko

Posted on Apr 01, 2011

Testimonial: "thank you "

  • Ginko
    Ginko Apr 02, 2011

    Hi Maria.

    I forgot to mention the most important thing.

    Sometimes a defective cat converter in the exhaust system, or a different exhaust system fault can result in emission problems. If the exhaust system is not old or damaged, the warning is given by a problem concerning directly the engine.

    Regards.

    Ginko.

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Additionally, keep in mind that 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.

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