Will a new gas cap turn off service engine light soon off if a new gas cap is the solution?
Buick Q&AAsk Your Question
2005 Buick LeSabre Question: gas cap loose is turning on service engine light soon on
Answer #1Greg's Orange Auto (13269 Answers) , Orange, CA - (714) 361-9386globalhelper December 26, 2012, 06:30Master
have codes scanned at auto zone and post so we can adv
Answer #2pushrod December 26, 2012, 08:23Master
A new cap will not turn the light off IF indeed it was actually the problem. But a scanner will and while hooked up scan codes as suggested.