One problem related to fuel injector has been reported for the 2002 GMC Savana. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 GMC Savana based on all problems reported for the 2002 Savana.
Fuel injectors clogging very often causing vehicle to run rough and shake. Dealer repaired first time with only 11,000 on vehicle. But stated that it was not warranty. Injectors are continuing to clog every 6,000-7,000 miles even when changing fuel filter and having injectors serviced. And using quality fuel and injector cleaner every 3,000 miles.