1997 Ford Explorer fuel system problem

1997 FORD EXPLORER
120,000 MILES • 6 CYL • 4WD • MANUAL
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MUSTBAFORD
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  • 1 POST
codes 0171,0174,1131,1151 came up
What is 1151 02 sensor heater circuit signal intermittent bank 2 sensor 1 ???
and is there any to test the fuel pump?
Aug 30, 2009 at 4:55 PM
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JACOBANDNICKOLAS
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The code identifies there is either a bad sensor or there could be an electrical problem to that O2 sensor.

Here is a how to for checking fuel pump pressure:

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Let me know if it helps. Also, if you don't have a gauge, many parts stores will lend or rent them.
Sep 1, 2009 at 8:06 PM