xixCRAKYxix

as stated above

s2000maniac

YES!

Drkphnx

They do, I change my NGK BKR8EIX's every 6 months or so. At around $31.40 for 4 it's not a big deal.

franky

INDYMAC

There is no service limit listed in the manual. But 0.039-0.043in is the standard or new gap measurement. Once it reaches 0.044in might be a good time to replace. Check the NGK website to review coloration criteria.

EagleDon

From the looks of your plugs, they look fouled. Too much fuel and maybe an air restriction. Have you changed the injector sizes before?

xixCRAKYxix

Last owner had the head rebuild because engine was taking too much oil
i have small leak from 2 fuel injection too dont know if that would help but ye ..

what should be my step to fix the problem ?
dont wana buy/install new spark and still have same issue

_brandon

Small leak from the fuel injectors?? No fuel leak is a small fuel leak, especially with a heat source. Id get that fixed asap. If its leaking from where the injectors connect to the engine just replace the little rubber grommets and be done with it, they cant be but a few bucks from the dealer.

xixCRAKYxix

Small leak from the fuel injectors?? No fuel leak is a small fuel leak, especially with a heat source. Id get that fixed asap. If its leaking from where the injectors connect to the engine just replace the little rubber grommets and be done with it, they cant be but a few bucks from the dealer.
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The car was in storage for couple months and i found this small leak will get it fix... think ill replace all four O-ring too

heres another angle of the spark

Saki GT

Every six months? Waaaaaaay overkill.