Hey guys I bought myself an 03 cobra last year and it ran perfectly fine, I let it sit for the winter and out of nowhere I start having issues in low end and start up performance, any ideas or need of information to help me narrow it down thanks
---------- Post added at 06:21 PM ---------- Previous post was at 06:00 PM ----------
I've changed my spark plugs from motorcraft to Ngk iridium 9s after my tune if that may have caused the loss below 2k rpms and my battery randomly died to the point where it wouldn't hold a charge so I replaced it with an optima red top, if yo have any suggestions for me to look into I'll take it into account I've tried so much and now I'm stumped.
you need to have your alternator tested. If the alternator is bad those sypmtoms you are experiencing could be caused by it. Especially since you say your battery died out of nowhere. Whether it be old or not still get the alternator checked.
1999 Ford Mustang SVT Cobra Built
2011 Ford Taurus SHO TT AWD