Shortly after putting new splitfire plugs in my 2000 Tundra...

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Question by Karl
Submitted on 9/13/2003
Related FAQ: Toyota Tundra FAQ
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Shortly after putting new splitfire plugs in my 2000 Tundra V8, my check engine light came on. There is no apparent problems and the truck is running fine. Can these plugs cause this and is there a way to reset the check engine light. Karl Daphne, AL

Answer by cobra
Submitted on 10/9/2003
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u r not suppose to install other plugs except twin electrode plugs from toyota. u ca obtain them from the dealer

Answer by TnTechTundra
Submitted on 10/21/2003
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You should probably use NGK spark plugs, it is what comes in most toyota and nissan vehicles. I just think they work better. As far as the check engine light, it can be reset when it is hooked up to a diagnostic machine.

Answer by Karl
Submitted on 11/6/2003
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UPDATE: Had two oxygen sensors go out at the same time. Took out the Splitfires though. No one can give me an answer if these plugs caused the sensors to go out. Karl

Answer by D'lan Oz
Submitted on 2/18/2004
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To find out if the splitfires took out your O2 Sensors, why not have your ECU reset to turn off the C.E.Light and put the splitfires back on after a few miles of verifying nothing else is killing the O2 Sensors.

Answer by Jon
Submitted on 3/27/2004
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Twin electrodes are for the v6 only, the v8 should run on single electrode plugs

Answer by coptr911
Submitted on 5/14/2004
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My Answer is totally different: I use the new "Iridium" type plugs from NGK. I also have gone down 1 heat range setting in using the BKR7EIX. stock would be the "6" number. engine runs much smoother and accelerates much better with them. Careful how you gap the Iridium plugs...Tips can break very easily. SBaumgartner@dc.rr.com

Answer by split fires suck
Submitted on 12/23/2005
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I know this post is super old but I found it doing a search on the split fires and what people though of them after using them myself. Split fires are garbage and carry little spark! I spent months trying to figure out why my truck was running like garbage and later why it wouldnt run at all. I replaced the split fires with some old platinums I had laying around and my truck runs beautifully now. I did a visual spark test and compared the split fires to the platinums and the split fires when they actually sparked had about 1/3 of the size spark of the platinums and it was generally a yellow("cooler") spark. in conclusion SPLIT FIRES SUCK =)

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