What are the codes for check engine light codes?
P0179 Fuel Composition Sensor Circuit High Input P0180 Fuel Temperature Sensor A Circuit Malfunction P0181 Fuel Temperature Sensor A Circuit Range/Performance P0182 Fuel Temperature Sensor A Circuit Low Input P0183 Fuel Temperature Sensor A Circuit High Input P0184 Fuel Temperature Sensor A Circuit Intermittent
What to do when your check engine light comes on?
You can pay a mechanic a bunch of money to read your car’s error codes when your check engine light comes on, or you can grab a paper clip and read the codes yourself. After 1996 all cars were made to hook up to an external error code reader.
How to read and understand check engine light ( OBD )?
You will need an OBD scan tool. The scanner allows you to communicate with the computer and retrieve the trouble codes. Certain scanners may give information on what the revealed code means, but most will just give a five digit number and letter combination. Follow these 4 steps to insert and read the OBD scanner:
What does a 4 and 5 mean on a check engine light?
A “4”refers to emissions system problems, like a catalytic converter efficiency issue. A “5” indicates vehicle speed controls and idle control system problems. A “6” refers to computer output circuit issues, like an internal computer failure.
What do these check-engine light codes mean?
When your check engine light, called a Malfunction Indicator Light (MIL), goes on it means your vehicle has one or more OBD-II trouble codes . The OBD systems came from California’s strict smog emission control standards that started in 1966 model cars that were required to implement emissions control systems.
How do you check the Check Engine light?
Put your key in the ignition and switch the vehicle to “on.” Do not start the vehicle. Once the lights on the dash come on, turn off all the vehicle’s accessories, like the radio. Then, press the “read” button on the scanner to access the check engine light code.
What does this check engine light code mean?
As Consumer Reports points out, the check engine light means that the vehicle’s electronic control system has identified a problem that it can’t correct automatically. After the light is triggered, a trouble code is stored in the computer’s memory to properly identify the issue.
Can there be codes without check engine light on?
There are other cases where there’s no check engine light but codes. For example, any problem that affects the emissions system will automatically light the check engine light. But if the problem is not emissions related, and also not critical, it may be stored in the computer but not light the check engine light.