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Re: 93 jeep 4.0l high nox help
Posted to Emissions Forum on 6/28/2006

Aaron,

Have you had any luck fixing the jeep yet? I just went round and round with a 87 BMW. Needed a cat. the aftermaket replacement cat only worked at 50%. Needless to say I chased my tail looking all over the vehicle only to find that rereplacing the cat ... Login to read more.