2006 Nissan Armada Fuel pump damaged catalytic converters
Fuel pump damaged catalytic converters
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Service engine light came on a month or two ago. Failed state inspection report indicated both catalytic converters failing. Dealership says that although they replaced the catalytic converters less than 1 year ago, they need to be replaced again, along with the fuel pump, which was just recently replaced (by another shop)after a problem with chugging, shuddering, dying (even in motion). I took it back to the other shop, and they said nothing wrong with it, turned off the check egine light and offered to get it inspected (suspicious). The mechanic says that the fuel pump cannot damage the catalytic converters and that Nissan service is taking me "for a ride". ?????? Don't know who to trust here. Any similar experiences with fuel pump and catalytic converter?
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The fuel pump has nothing to do with the catalytic converters.The only thing that will plug a converter is coolant or oil.If you just replaced your fuel pump there should be a warranty on it.
No light on now but I've only looked at the Audi and drove a short distance so prior to purchase I plan to bring it to be inspected today it will illuminate eventuality.
I know that. When someone is selling a car they can have the check engine light turned off but it is only a short time before it comes back
Anything that can cause the engine to misfire or thow off the air fuel ratio can and will damage the catalytic converter including the fuel pump.