i have a 2004 Buick Rainier I-6- auto-4WD 170,000 miles Like new battery, new fuel pump, no code, I use injector cleaner regulatly. Fuse OK, filter OK, starter ok,, and still will not start. Please help Thank yiu.
Thnks so much for the hlp
Check your coil packs and spark plugs.
Assuming the engine is otherwise OK you are either lacking fuel or spark. You can sort out which one by spraying some starting fluid into the intake and cranking the engine. If it fires up briefly you have spark, if not you don't.
If you're using an inexpensive generic OBD2 tool that's not going to show manufacturer-specific codes. For that you need a dealer scan tool (Tech2 for that car) or a professional-grade fancy scan tool like the ones Scotty uses.
Thanks so much for the help