The front three should be easy enough. They are right in front of the intake plenum. (big black plastic looking thing on top of the engine. The back three are underneath the intake plenum. It seems like a lot to tackle but it is really not that bad. As always, if you are not sure you have the skills to attempt this go to a qualified mechanic. I did mine in an afternoon.
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YOU NEED LONG SPARK PLUG SOCKET. NEED A 3/8 INCH RATCHET WRENCH.YOU NEED EXTENSION.YOU NEED SPARK GAUGE YOU NEED A TORQUE WRENCH. NOT MANDATORY JUST DONT OVER TIGHTEN SPARK PLUGS STRIP ALUMINUM THREADS WAIT UNTIL ENGINE COOL TO KEEP FROM WARPING THE HEADS. SPARK PLUGS LOCATION ON TOP OF CYLINDER HEADS.TO GET TO SPARK PLUGS THE COILS ON TOP EACH SPARK PLUG.HAS TO BE REMOVED BY REMOVING SMALL SCREW.THAT HOLD COILS DOWN.AND CHANGE ONE SPARK PLUG AT A TIME SO YOU WONT GET THEM MIXED UP.GAP PLUGS AT 0.028 - 0.031
I dont have scematics avail for this vehicle. Here is some info though. There are three at the front top part of the engine. You will see three black ignition coils over plugs (COPs) with a grey electrical connector connected to it. Onece removed, Below these COPs are the sparkplugs. At the rear of the engine, there are another three COPs. (coils). But in order to get to them, you must remove the intake manifold. its the large black plastic pipes atop the center of the engine heading towards the rear of the engine. This entire unit needs to be removed. This job is about $450-$860 at the dealer or auto repair shops. It's not an easy task!! Hopefully this helps!!