Denso PK16PR11 Double Platinum Spark Review

These are the correct spark plugs for Isuzu Trooper 199x-2001 There's something in there, a dual purpose spark plug and knock sensor, but you have to use these spark plugs to not get a check engine light. Very picky but not hard to find.

So far so good. I say that because the spark plugs in this Mitsubishi looked great but came out of the holes at different stages. The only difference I noticed was that the existing plugs were threaded to the end, while these "approved" plugs were about a sixteenth of an inch square with no thread on the end. I hope these stay in place.

I ordered these spark plugs for my 2001 Infiniti I30t. According to Revain (and other auto parts sites) these Denso spark plugs fit Nissan/Infiniti VQ30DE-K engines. After receiving them and doing a little research with the previous owners and my mechanic, I found out that they should not be installed on a VQ engine. OEM spark plugs for this engine are NGK Laser Platinum #2647. Several people have told me that if you have anything other than these plugs installed (check the engine light) you…