My 1994 LS400 has no acceleration in D1 has some in D2 and will accelerate in L. replaced leaking EGR tube, no help. Had diagnosed at Lexus dealer who said it was either vacuum leak needed to reseal Intake manifold or possabily a bad fuel pump. Did both and also installed new fuel filter and fuel regulator still no acceleration. also checked catalitic converters, all good . Still creeping, no acceleration, can any one help ? I am out of money and stomped. HELP!
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