Question about 1992 Mazda MX-3
My mazda mx-3 starts up but then after about 6 seconds it dops down and shuts off i was told to replace the fule filter and i did with a brand new one and at first it stayed on then after about 20 seconds shut off and now its back down to about 5 seconds?
Let me explain real quick the fuel pump circuit, when you crank to start that is a straight circuit to the pump via a fuse in most cases, when the engine starts and you release the key the fuel pump relay is energized and keeps the fuel pump running, it sounds like the fuel pump run relay may be the problem with your car, replace it or bypass it to test, if you don't understand how a bosch relay is wired don't jump it yourself, you can burn up the wiring.
Posted on Nov 05, 2008
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Posted on Jan 02, 2017
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