Last week the 92 was backfiring, not a good thing. After much consultation with myself, I decided a trip to the dealer for diagnosis was in order rather than parts replacement at random. As it turned out the major issue was a plug wire. During the $75 diagnostic check it was determined it needed plugs , wires, O2 sensor and the fuel filter needed to be replaced probably based on mileage. ( it has 59,000 on it now) The total cost for above was in round figures $650 at the dealer. I decided to do it myself which totaled $175 including paying $75 to dealer for hooking it up to their diagnostics. Itmes of note-- I bought the parts at NAPA for less than AutoZone. AS Dick Benjamin says about the 80's cars applies to all, check the basics first. The O2 sensor seem to make a difference in fuel consumpiton, the gauge is falling a lot slower in these high fuel cost times. Matt Hopkins 66 Crown 75 Lebaron 92 Imperial --runs smooth great MPG