Check Engine Light Due to EVAP System Fault on Lexus GS300

Problem Description and Possible Solution

The Check Engine Light may illuminate due to an EVAP system fault. These faults are commonly EVAP canister or gas cap related. Our technicians recommend diagnosing the stored fault codes before replacing any components.

Problem Data
RepairPal Verified
Average mileage: 121,831 (27,600–211,330)
6 model years affected: 1998, 1999, 2000, 2001, more2003, 2006
38 people reported this problem
Viewing 1 - 7 of 7 comments
Check Engine light and VSC magically came on one night. I checked and made sure the gas cap was sealed tight. The light disappeared after about a week. NOTHING WRONG
first i had p0440, got it fix. 150 miles later this code p0441.
Check engine light, VSC, trouble codes point to evap
check engine light came on around 100K miles and OBD2 indicates it is related to evap charcoal canister. At 126K miles still no solution. Car runs perfect. Learned to live with CEL on :(
P0440 Evap system fault
evap code engine slidge
Got it put on computer and it said my problem was gas cap