I have 87 vw cabriolet that is blowing the fuel relay. What would cause this?

Asked by tugboatannier Jul 14, 2012 at 02:00 PM about the 1987 Volkswagen Cabriolet

Question type: Maintenance & Repair

I have 87 vw cabriolet that the fuel relay keeps going out on.
Would like to know what is causing this to happen.

335

Patrick answered 12 years ago

I would check the fuel pump ground and see if there is a corrosion issue there. That could cause the circut to draw extra amps. I have seen this problem happen when there is an internal short in the fuel pump itself. The unit will continue to work fine but it is drawing to many amps and will burn out the relay. Replacement of the fuel pump is the only way to solve the problem at that point.

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