What does the exhaust light mean?
In many vehicles, an exhaust light (or emissions light) is used to warn the driver of exhaust-related problems. This allows the driver to take action before more damage occurs. When an irregularity is detected in the exhaust system, the exhaust light will turn on, and a fault code will be saved to your car’s computer.
Can an exhaust leak cause a code?
Past the O2 sensors and catalytic converter, it is very unusual for the exhaust leak to cause a code. Before the O2 sensors, a leak will probably throw a code. Understand low throttle, the leak will allow fresh air to enter the exhaust. The O2 reading shows a lean mixture, so the engine computer enrichens the mixture.
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 the trouble code on a car mean?
The trouble code, or diagnostic code, is an alphanumeric value that corresponds to a particular problem. The codes were created by the Society of Automotive Engineers (SAE) to comply with OBD-II emissions regulations in the US.
What do the warning symbols on my car mean?
Warning Symbols Check your car’s dashboard lighting as it is essential to identify your car’s potential problem, safety issues or immediate failure points. Engine Temperature Warning Light Indicator light means the engine temperature has exceeded normal limits. Check coolant level, fan operation, radiator cap, coolant leaks.
What are the DTC codes for a check engine light?
DTC Codes – P0200-P0299 – Fuel and Air Metering (Injector Circuit) P0201 Injector Circuit Malfunction – Cylinder 1 P0202 Injector Circuit Malfunction – Cylinder 2