1996 DeVille Concours Issue?
Hard Starting/Backfiring (takes about 5-10 seconds to start) when it does take awhile to start it throws these codes (P1350 & P1375) and idles/run bad sometimes stalling... sometimes i can turn it right off and back on and it will start normal and codes will disappear with good running conditions.. I Checked the (Ignition Control Module) & it's Fine.. Any ideas What it could be?