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The most common causes of a Check Engine light might include a loose gas cap or faulty oxygen sensor. Other problems that can activate the light include faulty spark plugs or wires, malfunctioning ignition coils, a bad mass air flow (MAF) sensor, a failing or clogged catalytic converter, intake vacuum leaks, or leaks in the evaporative ^{Pay attention to the colour This is only a basic guide but a red dash warning light or engine check light indicates a potentially serious problem or safety related issue. If the dash warning light or engine check light starts flashing then it is time that you contact one of our SAC branches to have the fault codes read.} The flashing light often indicates a misfire, which can cause damage to the catalytic converter. When this happens, the engine should be turned off immediately to prevent further damage. 1. Loose or bad gas cap. It is possible for the check engine light to come on in Sentra due to a loose or bad gas cap. The Isuzu Health Report is one powerful tool that generates valuable data of your vehicle that could help retain minimal maintenance cost while prolonging the value of your vehicle. The report will show you real time operational status of your engine, transmission, brake usage and more. To help you maintain your vehicle’s optimum performance Common causes of high RPM excursion at start-up are typically: large vacuum leak, throttle plate stuck open, cruise control stepper motor stuck in one position; faulty throttle position sensor, and/or faulty idle air control motor or solenoid. If you request a diagnostic by a certified YourMechanic technician, he or she would first check to see 3. Make sure you are using the scan tool correctly. After you have located the OBD-2 port on your vehicle and hooked up your scan tool, make sure the key is turned to the “on” position so the lights are turned on in the dash, but the engine isn’t running. This is an important step, but nonetheless, an easy one to forget. Open the car’s hood. Disconnect the Negative (-) power cable, and leave it for 15 minutes. Insert your key into the ignition and turn it to the “ON” position three times. Reconnect the Negative (-) power cable and turn on the car’s ignition. Wait one minute to see if the check engine light is gone. The check engine light warns a driver of a problem with the car’s emissions system or trouble with a critical internal function. Address the issue as soon as possible. If the light comes on and ^{Without more information about the specific warning light you are seeing on your dashboard, it is difficult to provide a precise answer. Different vehicles h} .

avanza check engine light on