Question about 1987 Jeep Wrangler
My jeep ran great until I had gas tank replaced. Now it starts right up but stalls after 2 seconds. I took it to local garage that changed tank. Replaced fuel pump and injector. After $600 bill, mechanic said he can't figure it out. However, we found out that the jeep will run if you disconnect the alternator and just run on battery power. Any ideas what could be causing this problem. Bad news is my jeep is 500 miles away at hunting camp and mechanics are hard to find.
Check the alternator and see what charging voltage is... anything over 14.3 volts running should be suspect. If voltage is too high, it is possible that the computer is shutting down the engine to protect itself. I don't see any connection between the fuel tank problem though, unless while doing pump, someone accidentally grounded a hot lead and didn't think any damage had been done. This makes some sense, because the battery alone will lonly put out from 12-13volts, which go lower without alternator, till it reaches a point where voltage is insufficient to operate the ignition system. This is a "shot in the dark" and will likely lower my "rating" but I don't care about that... Try checking this... at least it points you in some direction rather than flailing around!!!
Posted on Jan 13, 2009
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Posted on Jan 02, 2017
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