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Chrysler Repair/'00 minivan blows ASD fuse


Our van keeps blowing the engine fuse. When the ASD is in it the engine fuse blows but when it's out it doesn't blow...we can't even turn the key on and the engine fuse blows with the ASD in....with it out it won't turn over. What's causing this? We really need thus van since it is the only thing we have to drive

Hi Kay,
I suspect that there is a short circuit of the current from that fuse located at one or the other of the heated oxygen sensors located along the exhaust system. Those sensor's wires are very fragile and easily broken. So check those 4 wires on each of the sensors to see if one of them is shorted to a piece of metal. Otherwise the fuel injectors and the spark coil are also supplied by the same fuse so you could try unplugging those two circuits and see whether the fuse stops blowing if you don't find a problem with the oxygen sensors. One of the sensors is on the exhaust manifold itself and the other is immediately following the catalytic converter.

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Roland Finston


Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

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