I thought I would just post this review for plugs.

I switched from the NGK 7173(non insulated) to an insulated NGK 6097 (BKR7E). I have driven 100 miles, and no indicator lights are on. I was also getting a check engine light along with the green key light.

However, I think they(6097) may be the same heat as the stock plug. Ah, I live in cooler temps, so I think I will be ok.

I am happy for now.

 

I got this as well, but fixed it like you did. It was because the 7173 are non resister plugs and the 6097 are. I was getting multiple misfire codes and my Immobilizer light was going haywire.

 

7173 and 6097 are different heat ranges. i fouled out a plug when i made the switch, so i went back to 7173's.

 

Just get BKR8EIX They are iridium heat range 8.

 

What about DENSO Iridium IK22G for FI S2K?
Do anyone have comments of this plug?

 

had the same problem and changed to the above