U20U3 Opel Karl DTC Code

Opel Karl Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Naturally Aspirated

Your Opel Karl engine control system detects a problem, the computer stores the diagnostic trouble code U20U3 in its memory. To figure out what is wrong with your vehicle you must first extract the U20U3 DTC For Opel Karl.

To solve U20U3 Opel Karl problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

U20U3 Opel Karl DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
2	MFG - Manufacturer Specific
0	Transmission
U	BBV Sensor Circuit Low Voltage
3	TFP Valve Position Switch-Drive Without Drive Ratio

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U20U3 Opel Karl code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.