One problem related to fuel injection rail has been reported for the 2004 Buick Rendezvous. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Buick Rendezvous based on all problems reported for the 2004 Rendezvous.
Strong fuel smell upon cold start up, smell would dissipate after warm up. Found fuel leak at fuel pressure regulator. Nothing had been done to date, problem just now found.