If you go to AutoZone .com and check with there repair manuals on-line you can find the engine codes for your tracker
After replacing the EGR valve, use the diagnostic tool and erase codes then read the codes again. I had the same problem on my 97 geo metro. After replacing the egr valve, the check engine light stayed on. After a while it was suppose to clear itself but it didn't. So I went to autozone borrowed their diagnostic tool, erased the codes and then my car passed and the check engine light went off.
There are literally hundreds of diagnostic codes that would cause the check engine light to come on. Many auto parts stores will check the codes for free and tell you what is needed to fix it.
how to reset check engine light on 1992 Mazda mpv
www.troublecodes.net Good luck I have a 1995 jdauksz1@charter.net
In the computer. If check engine light is on you can get them by plugging a reader into port under dash,.
When the light comes on it's telling you to read the engine diagnostic codes.
It is the port, where a diagnostic machine can be hooked up. The diagnostic will read codes from your vehicles computer. For instance if your check engine light comes on, you can plug the diagnostic machine into the data port and it will tell you why the check engine light came on so that you can get it fixed.
Without having it checked for codes, It is impossibe to answer.
First you remove the cover from the diagnostic port under the driver's side of the dashboard. Then you plug the datalink cable from your scan tool into the diagnostic port. The scan tool will then show the diagnostic codes. Write them down and read a manual to see what has gone wrong.
Diagnostic codes are generated by your on-board computer. They tell you what problems the computer has identified with your engine. The codes are numbers. The code numbers are read by an instrument that plugs into a special jack under the dash. Auto parts stores often will check your diagnostic codes for free, or you can have your dealer do it.
The most common engine check engine light codes would be indicating that something has gone wrong under the bonnet basically. Each manufacturer has different codes and so the garage uses diagnostic computer tools to find out the problem.