What does it mean when my emission system warning light comes on?
Most of the time, when an Emissions Light comes on, it is due to either a sensor or a problem with the exhaust gas recirculation valve. It is also possible that you have a vacuum hose that has become disconnected, or has developed cracks.
Can your check engine light be on for emissions?
If you have a “Check Engine” light on, your car will not pass an emissions test.
What do you do if your emission light comes on?
What to do if your emission light comes on
- Observe. Check that there are no other symbols on your dashboard indicating additional problems, such as low oil pressure or overheating.
- Check gas cap.
- Reduce pressure.
- Check whether the engine light is constant or flashing.
What does a check engine warning light mean?
When the check engine warning light is illuminated it’s often accompanied by tell-tale signs that the engine is not working properly, such as a lack of power or stuttering as you press the accelerator. This light could indicate a number of faults, from minor issues like a broken electrical sensor to a much larger mechanical issue.
What does the warning light on the dashboard mean?
Problems can still arise, though, and the first sign of trouble is often a warning light on the dashboard, such as a ‘check engine light’ flashing. Of all the warning lights that can appear from time to time, perhaps the most alarming is the engine warning light.
Why is the emission control system warning light always on?
The only thing I’d noticed on the car since getting it is a very slight judder when dropping to idle Neutral at traffic lights, it pulls of fine etc, so was planning to mention it at the next service due in May, but just wondering now if that could be related to the warning light? never driven an A3 before so didn’t think it was a major problem.
When does the oil warning light come on?
The oil warning light comes on when either the oil temperature gets too high or the oil level or pressure is too low. If the oil is not lubricating the engine effectively it could lead to expensive or even irreparable engine damage, so it’s important to act quickly. Can I still drive with my low engine oil light on?
What does the check engine warning light mean?
The check engine light will usually come up in an orange, yellow or amber colour depending on the manufacturer, and a flashing light usually means there is a more serious issue. A flash when starting the car isn’t an issue, it’s just a check by the ECU to make sure the system is working. Can I just ignore a check engine warning light?
What does a malfunction indicator light on a car mean?
In many cases, it means that you’ll be visiting the car dealer to repair the issue and get the light turned off. 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.
Why does the emissions warning light light up?
This can be another reason that the emission control system warning light lights up. Though there wouldn’t be much risk if the vacuum hose malfunctions, replacing it should never be overlooked. Though there wouldn’t be much risk if the vacuum hose malfunctions, replacing it should never be overlooked.
What does the battery charging warning sign mean?
Battery / Alternator Charging Warning Sign What it means: This light indicates that a low voltage is detected. This light should be ON when the ignition is on but the engine off, but if this light appears when idling or driving, it means that the alternator is not charging your car battery properly, and your vehicle may stop suddenly.