1998 Pontiac Transport coil pack

1998 PONTIAC TRANSPORT
15,700 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
JTABER
  • MEMBER
  • 1 POST
We have a problem with a coil pack, we have codes p0121 and p0304 pr p0340, we know that it is one of the three coil packs that need replacement how can we tell which one?
Jun 20, 2009 at 6:55 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
MERLIN2021
  • CAR REPAIR CONTRIBUTOR
  • 17,250 POSTS
P0304 will be missfire on cylinder #4, follow the #4 plug wire to the coil pack, #4 coil is when looking from the front of the van, front right wire on the coil, and 1st plug on front of engine passenger side of the motor.
Jun 20, 2009 at 7:06 AM
Advertisement