Those Bosch spark plugs are too short (reach). There was a redesign and the current 2.4L uses a spark plug with a 1" reach. From another forum, it has been mentioned that Bosch and Nippondenso is planning to introduce their own versions in the near future and below are the part #'s for the spark plugs for the current 2.4L engine, whenever they become available:
Bosch # HR7MPP
Denso (Nippondenso) # PT16VR13
To read more:
http://ptenthusiasts.org/PTForums/sh...threadid=14158
2002 Almond Pearl Limited Edition 27K
