The "Check Engine" light on a '98 528i can come on for a whole bunch of reasons. And it takes a diagnostic computer to "look" at the onboard diagnostics and "read" the computer's report of the problem. (It presents as a "code" which requires interpretation.) Most garages, both dealers and Indy repair shops, have these computers. (Modest ones cost less than a hundred bucks.) There are even some places that will do a free "reading" for you (in the hopes of obtaining your business). Make some calls. Oh, and good luck.
why do check engine light comes on
If the check engine light is on, use a code scanner to find out why.
changed battery engine light stays on
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.
When my check engine light comes on, it is caused by the temperature sensor not working. As soon as the light comes on, my temperature drops to cool. If the light goes out, the temp gauge returns to normal.
No, the check engine light comes on when the computer detects a malfunction and sets a code.No, the check engine light comes on when the computer detects a malfunction and sets a code.
The check engine light is the light shaped like an engine, or the light that states Check Engine (Soon). If this light comes on, it is time to see what the issue is with the engine.
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 gauges light comes on when one of the gauges is out of its safe range. It could be the alternator over or under charging, oil pressure low, or the engine overheating.The check gauges light comes on when one of the gauges is out of its safe range. It could be the alternator over or under charging, oil pressure low, or the engine overheating.
The check engine light comes on when the computer detects a malfunction and sets a code.The check engine light comes on when the computer detects a malfunction and sets a code.
Maybe, the check engine light comes on when the computer detects a malfunction and sets a code.Maybe, the check engine light comes on when the computer detects a malfunction and sets a code.
Could be the catalytic converter.