My Check Engine Light Will Not Come On

This light is the centerpiece of your vehicle s on board diagnostics system obd.

My check engine light will not come on.

It might be a minor problem. If the dashboard light is good then the ecm could be defective causing the light to not come on. If your dashboard before displayed the check engine light before and now it is not coming on then the dashboard warning light could have burned out. It has an old battery but it still turns the motor over good just checked batt.

Once the obd system resets which occurs after a few drive cycles or a certain number of miles depending on the vehicle the light will come back on if the problem has not been fixed. If it does then the system is working. My miata was running fine parked it for the night the next day it will not start. Turn the key on all the check lights come on except the check engine light theirs no spark no fuel pump.

And it could be serious. Recently it failed a smog check due to the fact that the check engine light would not come on. X research source warning. This car runs great and in fact the emissions part of the smog test was we have a 1996 ford f 250 xl dual gas tanks.

If that light has come on that means there s a problem. I have a 1998 chevrolet s10 my check engine light will not come on i replace the bulb still nothing anybody got any ideas please let me know could it be a wire they cut at the computer. It is not an indicator of trouble like the check engine light is. Add a comment.

Try removing a sensor harness and see if the light comes on. But do you really want to take that gamble. After all if it s something more serious you could be left stranded. If your check engine light comes on it s best to take your vehicle to a mechanic to get it professionally diagnosed and repaired.

Don t ignore your jeep check engine light. Recently it failed a smog check due to the fact that the check engine light would not come on. Pull over tighten it and take a look at the cap to see if it. If your car isn t feeling jerky or strange when the check engine light comes on the first thing you should check is the gas cap.

05 01 2018 by marvin hobbs. If you learn your vehicle s ins and outs you won t need a check engine light to tell you when something is wrong. And you may even avoid the issues that cause the light to come on in the.