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  1. 92 Eldorado 4.9 won't pass smog!

    Cadillac Seville / Cadillac Eldorado Forum
    I bought a 1992 Eldorado with the 4.9. It has 50,000 miles, the car just runs beautiful. No leaks, no hiccups. But I can't get it to pass smog. I've replaced a lot of parts and had the car serviced. It passes as high RPM, but runs a little rich at Idle. I'm very frustrated, but I don't want...