Question about 1998 Lexus ES 300

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1998 ES300 tune-up help

I found the word for word technical description for getting at the spark plugs in my car, however technical isnt necessarily helpful. How do I get to them? Thank you.

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This gets a little tricky but it not that bad. the plugs in the front of the eng are pretty east just remove the eng cover, then the coil pack. U will need a spark plug socket and a extension to get the plugs out. now the rear plugs is where is gets tricky. pretty much the same, remove the coil packs held in by a 10mm bolt the not u have Way less room to fit ur tool in. I use a small 3/8 ratchet, 3" or smaller locking ext, and a swivle spark plug socket.
if u dont have the right tools getting to the rear plugs is next to impossible without removing the intake

Posted on May 06, 2009

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My 1999 lexus es300 is still reading the codes P0300, P0302,P0303 after giving it a tune up.


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Hi!

You need New Spark Plugs, Spark Plug Wrench Socket and Wrench Extension (at least 2-3 inch) size 10 socket and/or size 12 socket.
First of all, please check where the spark plug cover is. Once you figure that out there will probably be size 10 or/and 12 bolts holding it down. Take that off and there you will see sensors connecting to each other and holding the spark plug in the cylinders. Unplug all the sensors and pull out the circular plugs holding the spark plugs down. Pull them out and make sure that you don't drop anything into the cylinderes. You can look down into them and see the spark plugs. Get your spark plug wrench, extension, and socket wrench and stick them down in and push so that the spark plug wrench grabs them. Then unscrew the plugs, pull them out and put the next ones in and tighten them down. Just connect all the sensors, and put the cover back on.

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Thanks
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