What are the VW Group 91 and 93 data streams?
1 Answers
VW Group 91 and 93 data streams are factory-set values for the vehicle. Whether the data values are high or low, any deviation indicates an abnormality in the data stream. Abnormalities in the 91 and 93 data streams occur because the EA888 engine experiences unusual vibrations during startup. Continuing to operate the vehicle under these conditions can cause the timing chain to skip teeth, leading to valve-to-piston contact. It is recommended that owners take their vehicle to a 4S shop for inspection and repair. Here is some information about the VW EA888 engine: The EA888 engine is a source of pride for Volkswagen. This engine incorporates a series of advanced technologies such as direct fuel injection, turbocharging, and variable valve timing. It delivers ample power while also improving fuel efficiency, achieving a balance between performance and economic environmental friendliness.