me too evap small leak
I had the same trouble with this 2002 spec-v I bought recently I've put 1000.00 in nissan parts and 7 hours labour at a rate of $75.00. I replaced the evap cannister, both 02 sensors, evap control senor, valve, catalytic convertor. I was flashing the same codes p0456.
Now I got a new problem hard starting. p0301 misfire cylinder 1. I'm going to switch the coil packs (1 with 4) and see what happens. I might have a bad coil pack my sentra has 200,000km with original ignition. Anyone know how long these units last? anyone had to replace coil packs afther 10),ooomiles?
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