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Old 02-17-2013, 03:50 AM   #1 (permalink)
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Default 04 Disco misfires

Hey guys. I have an 04 Disco with #1 and #6 misfires. I replaced the coils, wires and plugs (the wires and plugs were old so I did them while I was there). The drivers side coil has #1 and #6 in the same pack, so I thought for sure this was the issue....have seen it on many other cars before. After replacement, the misfire codes are still coming back.

Also I am getting a P0414 code (optical sensor open or short). Does anyone know what that sensor is/where that sensor is?


Thanks is advance for the help
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Old 02-17-2013, 05:46 AM   #2 (permalink)
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How many miles on the engine, who's plugs and wires did you use?
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