1990 Volkswagen Jetta Repair Question
Volkswagen Jetta Fuel filter Problem
I'm guessing your car has Digifant Fuel Injected... there should
be 2 fuel pumps, one under the car by the fuel filter and one
inside the fuel tank.
If the one in the tank fails, you can have power / stalling issues.
Faulty ignition components can also cause similar issues.
Checking fuel pressure at the injector rail will not be enough... both
pumps need to be checked for flow & current draw.
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