Bosch Iridium spark plugs?

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Old 02-23-2013 | 08:25 PM
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ryan5003's Avatar
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Bosch Iridium spark plugs?

Hi, this is my first post. My 03 TL-S is throwing a few misfire codes (cylinders 2,3,4, and 5 if i remember correctly. It wasn't all cylinders) so I decided to replace the spark plugs as it needs to be done anyways. The guy at Autozone suggested I buy the Bosch Iridium spark plugs and they seemed like a good deal at 7 dollars apiece with a $20 mail-in rebate. I bought those this morning, but haven't put them in yet. I did some research earlier and saw that almost everyone is using NGKs. I saw another thread where someone used the bosch platinum and was having a lot of problems, so I'm worried the iridium ones will give me problems too. Does anyone have any experience with the Bosch Iridium plugs? Should I go exchange them for the NGKs? I'm willing to spend the extra money if I'll get better results from them. Thanks!
Old 02-23-2013 | 08:35 PM
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Americandream's Avatar
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From: New York City
Ngk..... Just swapped mine, runs great!
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Old 02-23-2013 | 11:03 PM
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Just... Dont...
You will get this in less than 6 months:






There is an MPG Upgrade but the Loss in Power is not Worth it IMO..
If we are speaking of BOSH IR Fusion just DONT.

Get NGK Iridium X and dont look Back.
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Old 02-24-2013 | 01:54 AM
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ryan5003's Avatar
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Yeah i decided to play it safe and went back and got the NGK iridium IX plugs. I put those in and the car runs great. Its idles a lot smoother now and while I haven't taken it on an actual test drive yet the car still felt noticeably smoother when i was putting it in the garage. Thanks for the advice!
Old 02-24-2013 | 02:38 AM
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Yeah, ya did the right thing !

The parts counter guys are pushing the promotional items and don't really fully understand the TL's like we do. It's all about experience and what really works best. Saving a few bucks along with a rebate is very enticing, but at the end of the day.....ya get what ya pay for !

Good job in coming to your senses and trusting the 'Ziner community. We won't steer ya wrong !
Old 02-25-2013 | 06:26 PM
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01tl4tl's Avatar
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since you had codes the ecu must be cleared and reset
easy to do- open pass front door and remove panel to fuses on end of dash
find one marked CLOCK and pull it out for a minute
put it back in and replace cover
done!
secret backup power to ecu and its ready to self test and relearn
drive it normal and enjoy
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