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How do I change the spark plugs on a 2003 Prius?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: how to change spark plugs on 2003 camry

Find out what your spark plug gap is, and the size of plugs you require from your owners manuel. Purchase a Spark plug socket for your rachett (also a rachett extension if you dont have one) And a set of Gap Measurers. Pull out the spark plug leads from the base making sure you don't pull on the cable (can damage the lead if you yank on the cable instead of the boot) and then screw out the old sparkplug and check for damage/wear. Set the gap on your new sparkplugs and screw them back in using a torque wrench for the final turn or if you don't have one only hand (do the final turn without using the rattchet just grab the wratchet extension and twist with your hand). 

Posted on Jan 06, 2009

rylee_smith
  • 8619 Answers

SOURCE: how to change spark plugs... 2003 ES300

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
Rylee

Posted on Mar 27, 2009

Smith-alone
  • 360 Answers

SOURCE: how to change spark plug on lexuse gs300 2003

Hi, You need a new Spark Plugs Spark Plug Wrench Socket wrench Extension (At least 2-3 inch) size 10 socket size 12 socket...
First thing you need to do is find out where the spark plug cover is. Once you figure that out there will probably be size 10 or/and 12 bolts honding 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. THey might be a little tight and hard to get out so you're going to need to give it a good tug. Once you pull them out MAKE SURE YOU DONT DROP ANYTHING INTO THE CYLINDERS. 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. Just simply unscrew the plugs, pull them all out, and then put the next ones in, and tighten them down. Just connect all the sensors, and put the cover back on and you're done. Pretty simple.
Take care

Posted on Jul 23, 2010

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