tune up or more

1997 LEXUS ES
140,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JSILVEY
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i have a 97 Lexus es300 that only goes 20mph. until it reaches 4 rpm then boom rocket ship...I did a diagnostic and said multiple miss fires on 1,3,5 is it just as simple as a tune up or is it more ?
Jul 3, 2011 at 5:08 AM
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MHPAUTOS
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May well be, replace air and fuel filter, fit new leads and plugs and re scan after clearing set codes and going for a road test.
Jul 3, 2011 at 6:26 AM
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KHLOW2008
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Yes, it could be simple and start with the basics as mhpautos mentioned.

However since the misfire were on one bank of the the engine, it could be more than that. Have the compression tested.
Jul 3, 2011 at 7:45 AM
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MHPAUTOS
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Good catch KH, that one slipped by me, well done.
Jul 3, 2011 at 7:50 AM
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KHLOW2008
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With too many things on hand, it is not possible to go through everything at once so some back-up would always take care of that.

Have a nice day.

Jul 3, 2011 at 8:13 AM