Question about 1999 Lexus ES 300

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2002 ES300 Shakes when driving

The car started to shake recenty when driving and not as bad when idling.
the car has 130K on it.
These are the things I know for sure that I need to change...
The Air ratio Sensor needs to change sensor 1 Bank 1
and I need to change my cat convector.

my check engine light is on and I get the codes that specify that there is a misfire on :
cylinder 2,4,6

I took it to my mechanic and he did all sorts of testing with the pressure between the back and front cylinders which are the same so he said its not a timing issue; he also test the plugs and the coils which he says are good because they spark/ignite

the only thing he did that made a difference is that he disconnected the Cam sensor and the car idle fines he then disconnected the Cam sensor then the battery and then plugged everything back and it work fine for a while but then it started doing the same thing...
he doens't want to change anything before he knows for sure...

do you guys know what might be causing this...?

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  • jr_lennox Jul 30, 2009

    The engine light also blinks sometimes...
    I will try taking it to autozone.

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  • Lexus Master
  • 4,514 Answers

Engine lite often indicates an air leak somewhere.bring it auto zone and get it scanned for free so you can see what other sensors/acuators could be bad-2nd opinions are good it may be a simple as just a toonup electrical is the weakest part of a system the coils and distibuter unit could be bad-theres an imbalance in torque. how about finding a specialist thats old school and cheap

Posted on Jul 30, 2009

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