I'm going to install new ngk's in my 01 s60 t5 and need to know the gap on the plugs. Plus is there any special info I need to know about this procedure. Don't want to be surprised with "aw, you never should have done that". That can happen with a volvo.
Should I unhook the battery since I am removing the coil packs? Any special care?
Thanks guys!

 

why ngks instead of oems?

 

from what I understand oems are made by bosch. I have never been a fan of bosch. I have bought and sold a lot of cars over the years and bosch has always been a problem plug in ones I've pulled out. It's just been the general consensus that ngks are better made than most.

I actually have been out there pulling the plugs and found that the oem's are in there but don't look bad at all..done a little cleaning and left them in.
The reason for doing this is the check engine light popped on and my mech friend checked it with his obd and it looks like I have aproblem somewhere. It could be a leaking injector but since the plugs look fine I am thinking the other possibility of a oxygen sensor. It has a sporadic idle. Just had the fuel pump replaced. I would think they would have checked the fuel pressure. Any suggestions?

 

Well found that the last monkey that worked on this car put a new power pack on the #1 cylinder and caught one of the wires under it and it had frayed. It'smissing the cover over the wiring. Taped it up and the car runs slicker than owl snot now.