Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Have you changed spark plugs yet on the van?
Spark plugs have not been changed, but I would assume it would still run rough if one was fouled or if there was a bad wire. Regardless of idle or running. Only runs rough at stopped idle.
If you have a Service Engine Soon light on, and it's flashing, that means you could damage the engine if you continue to drive it.
Most common causes are exhaust restriction, or a cylinder misfire issue. I have seen where the negative battery cable breaks and coils will melt and go bad. I have also seen oil seep into the spark plug tubes causing a misfire as well. Either way, It's something that should be checked before you do engine damage.
I would recommend the dealer. They know your van best.
Do you have any more question on this?
aNY POSSIBILITY OF A DAMAGED pcv TUBE OR PULGGED pcv?
The PCV system if plugged up will simply cause the engine to burn oil. It won't cause a cylinder misfire or running ruff issue.
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