WHAT'S EATING UP MY CATALYTIC CONVERTER

1991 Nissan Pathfinder

Tiny

2CarPros-Archives

November, 9, 2010 AT 7:32 PM

1991 Nissan Pathfinder mileage: 160,000. My Nissan Pathfinder stalled a few weeks back.(It’s a 306E something engine, overhead, fuel injected.)Then we noticed a few days later that the catalytic converter was growing extremely hot. When removed it looked rotten inside. We replaced it. The new converter is not becoming red hot! There is a clunking sound in the engine. It barely runs. In the past, there was a problem with a canister under the hood that effects the fuel mixture. What's eating up my catalytic converter?

FOUND 1904 RELATED QUESTIONS

1 Answer

Tiny

2CarPros-Archives

November, 9, 2010 AT 7:34 PM

Normally, a catalytic converter will get over heated if the engine is running too rich. Check the fuel pressure. Also, check the fuel injectors to see if they are leaking and scan the computer for fault codes.

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