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help! 89 century runs poor after warmup
hello, i own a 1989 century with the 3.3 liter, love this car and would like to keep it a few more years, heres the problem. the car started running eratic , so i brought it in they replaced the computer, it ran great for about 2 months then after warming up one morning started stumbling and acting as if were running rich, engine light came up, and codes were o2 sensor and m.a.f, so i replaced both, while i was at it i replaced the fuel preasure regulator and tps, all new parts. i still get the maf code, even after swapping it out once again with another new part. runs great until warm, then stumbles and smells of fuel. plugs are black as well. anyone? thanks in advance.
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