Buick Enclave owners have reported 68 other fuel system related problems since 1996. Table 1 shows the 6 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system (57 problems). The second most common problem is related to the vehicle's other fuel system tank assembly (6 problems). For details of each of the problem category, use the links in the table.
I am submitting this letter to formally report two ongoing issues with my 2018 Buick Enclave. First, I have experienced persistent problems with the emissions purge valve. My vehicle has repeatedly triggered diagnostic trouble code p0496, indicating a malfunction in the purge valve system. Read details...
Possible electrical short? fuel gauge dropped over an eighth of a tank when just filled it up and drove 2 miles home. Next time I started it up it displayed the aforementioned. Has done this a few times now. Read details...
The fuel gauge reads 1/4 full then a couple minutes later read empty. It fluctuates constantly giving the wrong reading. Several others have had the same issue with this same year, make and model vehicle. Read details...
On multiple occurrences, the fuel gauge does not accurately reflect the amount of fuel in the tank. It shows far less. Sometimes by turning on and off the car, it will reset. Other times it will take a day to reflect the right amount. Read details...
This SUV is the devil it self. Is giving me all kind of problem right now it have a limp mode and I have no idea what to do the transmission is not working in any gear. The soft codes said p0171, p 0174, p 0420, p 0300 is crazy. Read details...