Quote:
Originally Posted by 5er
Yeah a bunch of sentras had engines replaced... I had 3 warranty engines. It takes longer to show-up on the automatic cars. Down shifting amplifies the problem... the cat gets fuel in it, gets hot, breaks up, sucks particals in engine... scores cylinder walls, then new engine.
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But can the pre cat still be broken even if my car's not throwing a code for a bad cat converter?