NGK spark plugs?
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Joined: Jan 2010
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From: MA
NGK spark plugs?
96 sc300, have anyone used NGK laser patinum spark plugs (BKR6EP-11)? I'm having misfiring cyliner 4,5,6. I don't have EGR valve nor EGR modulator. Idel is very bad on 700rpm under..
can anyone help me?
can anyone help me?
Lexus Test Driver
Joined: Aug 2009
Posts: 1,520
Likes: 1
From: CA
When you go +/- 1 from the number thats just going with colder or hotter plugs. I forget exactly which is which but I guess he wanted to try and run colder? or maybe hotter plugs.
sc300Super: uummm Check continuity of the wire. Also check the cap and rotor of the distributore. It may have gone bad already.
Good luck.
sc300Super: uummm Check continuity of the wire. Also check the cap and rotor of the distributore. It may have gone bad already.
Good luck.
Thread Starter
Rookie
Joined: Jan 2010
Posts: 80
Likes: 0
From: MA
When you go +/- 1 from the number thats just going with colder or hotter plugs. I forget exactly which is which but I guess he wanted to try and run colder? or maybe hotter plugs.
sc300Super: uummm Check continuity of the wire. Also check the cap and rotor of the distributore. It may have gone bad already.
Good luck.
sc300Super: uummm Check continuity of the wire. Also check the cap and rotor of the distributore. It may have gone bad already.
Good luck.
thanks
Lexus Test Driver
Joined: Aug 2009
Posts: 1,520
Likes: 1
From: CA
The cap and rotor buddy. Make sure those pins are good.
Heres a picture... FYI, not SC. I just pulled it out from google to make a point. +1 with 24boosted. Maybe you crossed the firing order of the wires as well so check that too.
Heres a picture... FYI, not SC. I just pulled it out from google to make a point. +1 with 24boosted. Maybe you crossed the firing order of the wires as well so check that too.
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My local Lex dealer will diagnose ANY problem in 1 hour and chsarge me the flat rate for the info. Good deal for me and they seel the parts also. Call around to the Lex dealers in your area.
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Are you throwing a code?If the car was running fine prior to doing this then either those plugs are incorrect (guessing they are pre-gapped so that counts out gapping issues) or else you messed something up on your install.
Pull the new parts off and start over.
Jonny
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