Nissan Repair Questions? Ask a Mechanic for Answers ASAP
Is the check engine light on still with a misfire code?Also, how long ago was the work on the converters done.
Ok are you still getting the #2 misfire code?
Ok, I would start by swapping the #2 coil with the one next to it and see if the misfire moves with it. If it does, then you know the coil is bad. If not, then I would check for an intake manifold leak. To do this, fire the truck up and spray some carb cleaner along the intake. If the idle smooths out or speeds up then you have a leak, if nothing changes, then you should do a leak down test on #2. Also, check the spark plug when doing that. You may have some low compression or carbon buildup on cylinder #2 from the converter failing.
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Yes, that can cause the problem because it's affecting the grounding for the spark plug. It's wet because of the fuel that isn't burning. You may have to replace the plug if it's fouled, but otherwise tighten it up and run the truck, it might clean itself up.
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It sounds like we have resolved the original condition which was the misfire. I would try some fuel injector cleaner now to help smooth things out. It's possible there is some carbon built up on the valves where the misfire was occurring. As for the fuel gauge, this is not a factor and a common problem on this model year. Most often the fuel sending unit must be replaced to solve the problem.
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