Question about 1991 Jeep Wrangler
Recenty while driving my 91 Wrangler the engine started idling roughly, I noticed the fuel gauge went from about 1/2 tank to past full, the Jeep cut off. After sitting a few minutes it started up and made it home. Where it shut off again. I suspected a short in the fuel pump.
This weekend I replaced the fuel pump and fuel filter. The Jeep started up fine and ran for about 15 minutes and the same thing, the fuel gauge spiked up past the full mark, the jeep started sputtering and then shut off. After about 30 minutes it started ran for a few minutes and shut off again.
Who ever thought of putting an electric fuel pump inside a tank of gas........
Check your other gauges for accuracy. They do that when a ground is loose.
Check the wiring from the fuel tank along the longitudinal frame for frays and shorts. Plugs are secured.
Under the hood, passenger side, check the fuel pump relay. Switch it with one of the others to test it.
Bring the vehicle to an auto parts store. Ask them to break out he code reader. Check for diag codes
Comment me back
Posted on Aug 26, 2009
I had a similar problem for years. Spent a ton of money on fuel pumps, electronics, etc.
Finally a man put in a new coil, then Lo, and behold it was fixed. Don't hold this as gospel for you, but do check the coil out.
Posted on Aug 20, 2009
Need to chane the fuel gauge sending unit
Posted on Jul 20, 2009
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Posted on Jan 02, 2017
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