keithsranger
Member
- Joined
- Nov 12, 2012
- Messages
- 23
- Vehicle Year
- 1999
- Transmission
- Automatic
99 Ranger 4x4, AT, 3.0 liter, flex fuel pinging when accelerating, especially climbing hills. Using 93 octane stopped the problem for a while, but it has returned (intermittent). Appreciate any ideas? Also does this engine have an anti-knock sensor?
Thanks!
Thanks!