1993 Acura Legend emmision problems+speed sensor

1993 ACURA LEGEND
230,000 MILES • 6 CYL • FWD • AUTOMATIC
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DOOLITTLE
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after warming up it shakes take off perfomance is sluggish,.....like if its missing, it putts putts when idleling....the speedometer dance sometimes from 20-50-90-back down to 10mph why,...thanks
Jun 21, 2009 at 12:05 AM
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KHLOW2008
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Hi doolittle,

The engine misfiring could be due to bad spark plugs or ignition coils. I would suggest checking them first.

Does the Check Engine Light shows when engine is running?

The speedometer erratic reading is most probably due to a faulty Vehicle Speed Sensor.
Jun 24, 2009 at 10:32 AM