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1997 Lexus LX 450 NEED TUNE UP AND CAT CONVERTERS

Tiny
VINNYPP
  • MEMBER
  • 1997 LEXUS LX 450
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 185,000 MILES
Hi to all,
I really need help on my 1997 Lexus 450.
I have been told by local mechanic that I need a tune up for $ 500. Engine service light came on
( Error code p0304 came up on computer) and both cat converters ($ 1400)
I have been unemployed for 8 months now and simlpy do not have this kind of money.
How difficult is it to install the cats myself and exactly what would I need to buy / install for a tuneup?
Thanks in advance for the help,
Vin P
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Wednesday, July 29th, 2009 AT 8:01 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
P0304 is a misfire on cylinder no.4-could be a sparkplug, compression, and injector problem on that cylinder.

Tune-up replace the sparkplugs, wires, and if its a distributor ignition system-replace the cap and rotor-to include fuel and arifilter

C/Converters the only way to rule it out is to get an exhaust analysis this will tell if the catalytic converters are doing its job
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Wednesday, July 29th, 2009 AT 1:06 PM

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