96 5.0 f150 starts and idles but falls on its face and back fires through intake
07-21-2013, 02:51 PM
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96 5.0 f150 starts and idles but falls on its face and back fires through intake
truck will start and idle but as soon as you hit the gas pedal weather in park or under load it falls on its face and back fires through the intake. when it originally started happening it didn't have any codes thrown so I assumed it might have been the coil and I was wrong then it threw codes for o2 sensors bank 1 and 2 and then bank 1 and 2 lean it wasn't running lean at all it running very rich so I replaced o2 sensors and once again wrong, today I pulled cap and rotor for inspection everything appears to be ok and I also pulled wires and plugs one wire was chewed up pretty bad so I went ahead and swapped wires out still same sh*t different day I am stuck at this point if any one could help me with this issue it would be greatly appreciated
