BrandoBeli
Member
- Joined
- Sep 28, 2016
- Threads
- 3
- Messages
- 10
- Reaction score
- 0
- Location
- Alexandria, MN
- First Name
- Brandon
- Vehicle(s)
- 2015 Mustang GT Roush 727hp
- Thread starter
- #1
I'm really at a loss here and figured I could hopefully get some more ideas here since I am new to the Mustang game. I'm experiencing hesitation/misfire during cruising speeds and can hear the car missing during a slow rev. At idle the car idles great. At WOT the car pulls great. No issues. The car is a Roush P2 car with the Roush P2 tune. Only aftermarket part the car isn't tuned for is a full ARH exhaust system from the headers back. The car had thrown a P0300 code and I've changed my spark plugs twice and the ignition coils. Still experiencing the issue...what am I missing or where do I need to look next? The car only has 5800 miles and it's a 2015.
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