Why does my BMW have a check engine light?
If the check engine light in your BMW starts glaring, that means that the problem needs immediate attention and your BMW should be brought in immediately. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.
How do you check an engine warning light?
Check your dashboard gauges and lights for indications of low oil pressure or overheating. These conditions mean you should pull over and shut off the engine as soon as you can find a safe place to do so. On some cars, a yellow check engine light means investigate the problem and a red one means stop right now.
What does it mean if your check engine light is on but no code?
If the check engine light is on, you’ve got a trouble code stored. The same is true if you have ABS light on, TCS light on, VSC light on, etc. etc. If your check engine light is on but no code, it’s your scan tool, not the vehicle.
Where can I Find my Check Engine code?
Then later, if the problem does not reoccur, the computer will turn off the check engine light and store the code as a HISTORY CODE. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period. They include wiring diagrams and technical service bulletins.
Can a check engine light get clogged up?
The EGR valve can get clogged up or fail entirely. If you’re even slightly mechanically inclined, you can remove the valve, clean it up, and reinstall it in a relatively short amount of time. If the valve needs to be replaced, expect to pay at least $125 for a brand-new, OEM-quality unit.
What is the Check Engine Light code for ho2s?
P0052 HO2S Heater Control Circuit High (Bank 2 Sensor 1) P0053 HO2S Heater Resistance (Bank 1, Sensor 1) P0054 HO2S Heater Resistance (Bank 1, Sensor 2) P0055 HO2S Heater Resistance (Bank 1, Sensor 3) P0056 HO2S Heater Control Circuit (Bank 2 Sensor 2) P0057 HO2S Heater Control Circuit Low (Bank 2 Sensor 2)