ES3 Posted November 30, 2003 Share Posted November 30, 2003 Anyone have any suggestions/hints for changing the two rear spark plugs (nearest to firewall - driver side)? Do I have to remove the air intake? The front three and the rear-passenger side plugs were easy. Now how do I get to the other two? Thanks. Quote Link to comment Share on other sites More sharing options...
RPrindl Posted November 30, 2003 Share Posted November 30, 2003 Yes, just remove the air intake plenum, and clean the throttle body while it's apart. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted December 1, 2003 Share Posted December 1, 2003 The simpler way if you do not have the experiance and tools is to remove the manifold.Other wise a set of proper extensions should work. Quote Link to comment Share on other sites More sharing options...
cui Posted December 1, 2003 Share Posted December 1, 2003 Yeah, I hated the design too... otherwise I would go with NGK copper spark plugs...now I put in platinum plugs because i don't want to remove and replace plugs every 10000 miles... Quote Link to comment Share on other sites More sharing options...
amf1932 Posted December 1, 2003 Share Posted December 1, 2003 otherwise I would go with NGK copper spark plugs Why would you even consider using a spark plug that uses copper instead of platinum? Is it to save a few bucks? :chairshot: Quote Link to comment Share on other sites More sharing options...
ivrule Posted December 1, 2003 Share Posted December 1, 2003 Use flexible one (forgot the name) to reach those spark plugs. I bought one from at Autozone (~$6-10). I did mine using it. Not easy, but I think easier than taking out the throttle body. Quote Link to comment Share on other sites More sharing options...
cui Posted December 1, 2003 Share Posted December 1, 2003 Why would you even consider using a spark plug that uses copper instead of platinum? Is it to save a few bucks? because copper plugs is better than platinum...ie, you will get a bigger/brighter sparks... the down side is they wear out faster...for copper plugs to stay efficient, you need to re-gap them around 10k and replace them about 15~20k. Quote Link to comment Share on other sites More sharing options...
cui Posted December 1, 2003 Share Posted December 1, 2003 once you have taken the intake off a few times, it is not that bad....I just don't like to play around with coolants spilling on the floor...oh well, I guess it is not as bad as some V8, which you have to drop the engine to get to the rear plugs... Quote Link to comment Share on other sites More sharing options...
amf1932 Posted December 2, 2003 Share Posted December 2, 2003 because copper plugs is better than platinum...ie, you will get a bigger/brighter sparks... Wrong! If your ignition system is working properly a platinum spark plug will give you as good a spark as the copper spark plug. This is accomplished by using a larger gap between the electrodes in the platinum type. Also, the ES ignition systems have NO problems firing a spark plug with the wider gap. ;) Quote Link to comment Share on other sites More sharing options...
SKperformance Posted December 2, 2003 Share Posted December 2, 2003 then go with ultra luxury and get iridium plugs much better than platinum. Quote Link to comment Share on other sites More sharing options...
RPrindl Posted December 2, 2003 Share Posted December 2, 2003 When I put Iridium plugs in my truck you could hear the smoother idle! Very low voltage required, creating a spark that's longer & hotter. Only bad part is they cost $13 EACH. I put the factory spec Platinum’s from AutoZone in the Lexus. Quote Link to comment Share on other sites More sharing options...
cui Posted December 3, 2003 Share Posted December 3, 2003 can you re-gap iridium plugs? my choice of spark plugs: copper vs platium....copper (there is a big difference if you take the engine constantly to redline... platium just don't give you the hp/response the copper plugs do.) and, after a bit search online testimonies/dyno: copper vs iridium....iridium (I knew they were good...but it was the price that holds me back... but given the hassle of removing the intake plenum....I think it is worth the price.) Quote Link to comment Share on other sites More sharing options...
amf1932 Posted December 3, 2003 Share Posted December 3, 2003 there is a big difference if you take the engine constantly to redline... Why do you constantly take your car to redline? An ES is NOT a dragster! Quote Link to comment Share on other sites More sharing options...
cui Posted December 4, 2003 Share Posted December 4, 2003 there is a big difference if you take the engine constantly to redline... Why do you constantly take your car to redline? An ES is NOT a dragster! err...not the ES...I don't think toyota V6 likes to live its life even close redline... I did, tried to floor the gas pedal...and it refused to go beyond 5k rpm... oh well, I didn't buy the ES to go fast to start with :) but back to the point...If I can access the rear plugs easily...I would go with copper...they are like $1.50/each....and they are good....but since the intake is on the way...I am scouting for some iridium plugs...so far, the cheapest I found is about $7 each....I think I will just get some. Quote Link to comment Share on other sites More sharing options...
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