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my 2003 Buick LeSabre /GM 3.8. stumbles and studders when revving motor at 3600 to 3800 rpm. code p0102. I
2003 Buick LeSabre GM 3.8 code 0102. skips , stutters @ 3500 -3800 RPM I have replaced o2 sensors , entire exhaust system, upper plenum ,upper and lower manifold gaskets ,MAP sensor / still misfires at35-3800 RPM .also have fuel leak at supply line to fuel rail
