DTC Mercury U0120 Short Explanation
Channel: Maxidot
Date: 09/09/2020

The video focuses on the basic Mercury specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

We will continue to work on improving the content.
Our efforts at Maxidot s.r.o.the video content gets better.

#maxidot #dtc #howto #diagnostictroublecode #mercury




Make:
Mercury
Code:
U0120
Definition:
Long Term Fuel Trim at Rich Limit
Description:
Engine started,battery voltage must be at least 11.5v,all electrical components must be off,the ground between the engine and the chassis must be well connected,the exhaust system must be properly sealed between the catalytic converter and the cylinde
Cause:
Air intake system leaking,vacuum hoses leaking or damagedAir leaks located after the MAF sensor mounting locationEGR valve sticking,EGR diaphragm leaking,or gasket leakingEVAP vapor recovery system has failedExcessive fuel pressure,l