Why is my check engine light on when nothing is wrong?

Normally, the appearance of a check engine light indicates a problem somewhere in your vehicle, but nothing seems amiss. Your car is still running at its best and there seems to be absolutely nothing wrong. It doesn’t have to take a mechanical issue in order for this light to appear.

Does check engine light mean engine is bad?

The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong. If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter.

Can I drive with a check engine light on?

The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.

Can you drive with a check engine light on?

Can you drive a car with the engine light on? It’s okay to drive for a few miles, but be sure to schedule an inspection of the engine as soon as possible. If the check engine light comes on while you’re driving, don’t panic! Just be sure to have your car inspected as soon as possible after the light turns on.

Is it OK to drive with your check engine light on?

Can I ignore a check engine light?

The light is an indicator that there’s something wrong with your vehicle. “The system is telling you that something has failed and will immediately cause damage to your vehicle that will be costly to repair.” Ignoring your check engine light could result in immediate car problems or deterioration over time.

What does the Check Engine light on a Saab mean?

What Triggers the Check Engine on a Saab? All 1996 and newer Sabb vehicles, including the 9-3, 9-5, 900, and 92x Aero (which is identical to Subaru WRX), have a small warning light on the dashboard known as the check engine light.

What causes MAF sensor to go bad in Saab?

MAF sensor may function fine when the engine is cold then start to malfunction once the engine warms up. A coolant temperature sensor can go bad with time, causing the engine to run rich and preventing it from going into the ‘closed-loop’ mode.

Why is my Check Engine light not working?

In most cases, the problem is caused by faulty spark plugs, MAF sensor, or a bad ignition coil. Do not drive with a flashing check engine light. Fuel is not getting burned in the cylinder. When the Saab engine is misfiring, raw fuel will exhaust, which can damage the catalytic converter.

Can a check engine light be combined with an ABS warning light?

In some cases, it is possible to have a check engine light combined with an ABS/TCS warning light. This issue is usually caused by an ABS/TCS unit internal problem, causing a communication error. The only real solution is to remove the ABS/TCS control unit from the car and send it to a specialist for repair.