Check engine light? You have to plug the computer in to read the faults. If you do not have one, then most good service shops have, and for a small fee will help you.
On your 1989 MERCURY TOPAZ, the BACK-UP LIGHT SWITCH is: UNDER HOOD, DRIVER SIDE, LOWER ENGINE AREA, MOUNTED ON TOP OF TRANSMISSION
On a 1997 Mercury Mountaineer : The " CHECK ENGINE " warning light is just to the left of the battery voltage gauge
Check and fix the engine.
If your check engine light is flashing , an engine cylinder misfire has been detected
my check engine light stays on and the o/d light blinks....what could this mean?
Most likely the alt. not charging. Check it with a volt meter on the battery while the engine is running. Should read 14 or so volts.
If the check engine light is blinking that means that an engine cylinder misfire has been detected
An engine misfire has been detected
By bringing it to a trained mechanic so they can check the engine is running properly (which if the light is on it's probably not)
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.
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions. If the check engine light is flashing a misfire has been detected
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions. If the check engine light is flashing a misfire has been detected