1989 Volkswagen Cabriolet Repair Question
Cabriolet running rich
Probable causes of an engine running rich are as follows:
1.Excessive fuel pressure can be cause by restricted fuel return line
2.Defective Oxygen Sensors.
3.Leaking injectors and fuel pressure regulator.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system
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Broken ground wire on the side of the cylinder head would be the first think I would check for.
The shifter ball on the relay rod is broken.... causing too much play in the shifter.
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