It means there is a problem with the emissions system. Have this diagnosed and repaired by a professional.
I have a 1990 Honda accord ex and my check engine light the car goes form a high rev to a low rev when I first turn on the car. Is this a vacume line problem or a voltage problem?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
remove backup/radio fuse under hood
Can't be specific, but it should be red. Either an engine logo, the words 'check engine' or both. Should be located right around the other gauges and dummy lights. (check coolant, alternator light, etc)
If the check engine light is flashing it indicates that a cylinder misfire has been detected.
The check engine light cannot be retrieved on a 1990 Cavalier unless a problem develops with the engine. The engine can be checked for errors, though, by using a tester that is plugged into the vehicle's computer.
Engine miss at idle. Can be caused by vacuum leak.
how to reset oil timing on 1990 toyota
remove the ecm fuse for 30 seconds will clear the codes.gmjim
yellow light on dash next to check engine light what does it mean 1990 eclipse 1.8
The inspection light will come on when the engine is not operating properly. A check of the engine electronics is needed to find the problem that is turning the light on.
There are three ways to reset the check engine light. The easiest way is to disconnect the battery, and then reconnect. This resets the cars computer. Second, you can plug in a code reader which can reset the computer. Lastly, you can fix the problem. Sometimes the check engine light on a car will come on after a certain amount of miles and either of the first two methods can correct the problem. Usually when the light comes on it is a sign of a real problem and it must be corrected.