Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Are any of your battery terminal ends after market? Also is the Alternator after market and are all those connections been checked to make sure they are tight?
After market terminal ends are known to have high resistance. If the car can start with a Jump start, but not on it's own, the terminal ends is the first thing I would change for your issue. I have seen it many times!
The Factory Positive battery terminal end is available from the dealer. It's like 20 bucks. The negative one comes on the Cable, which to be honest with you, the cables always break where it mounts on the trans. So I would change that negative battery cable anyway. Other wise if it breaks, it can cause coils and Ecm to go bad. The Negative battery cable is like 40 bucks..
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The fuel pump only comes on for a few seconds then turns off if the engine is not turning over. If you keep turning the engine over, the fuel pump should keep running.