Other Fuel System Related Problems of the 2012 Toyota Sienna

Table 1 shows three common other fuel system related problems of the 2012 Toyota Sienna. The number one most common problem is related to the other fuel system (two problems). The second most common problem is related to the other fuel system tank assembly (one problem).

Table 1. Other Fuel System related problems of Toyota Sienna


Recently reported Other Fuel System problems of the 2012 Toyota Sienna

The Other Fuel System problem

When pressing the brake the engine revs suddenly and to very high rpms and you have to press down on the brake and/or throw car into neutral/drive and then eventually the issue resolves. Happened yesterday when reversing very slowly out of driveway--was pressing brake (not accelerator) and suddenly   Read details...

The Other Fuel System Tank Assembly problem

The contact owns a 2012 Toyota Sienna. The contact stated that there was a knocking and swooshing sound coming from the fuel tank. The noise would become louder when the contact was driving at lower speeds. The vehicle was taken to the dealer on several occasions.   Read details...

The Other Fuel System Pump problem

All underwood components are not only vulnerable, but attractive to rodents. While parked overnight on 4 consecutive nights, rodents have chewed through wires despite attractive rodent poison in the engine bay, the poison is untouched and the wires are attacked every night.   Read details...


Other Fuel System related problems in other Toyota Sienna model year vehicles:



Safety Ratings of Sienna Cars
Fuel Economy of Sienna Vehicles
Sienna Service Bulletins
Sienna Safety Recalls
Sienna Defect Investigations