Engine Oil Selection
For best performance and maximum protection under all types of operating conditions, the manufacturer recommends engine oils that are API Certified and meet the requirements of Chrysler Material Standard MS-6395.
See also:
Materials Added To Engine Oils
Do not add any supplemental materials, other than leak
detection dyes, to your engine oil. Engine oil is an
engineered product and its performance may be impaired
by supplemental additives. ...
2011 Jeep Wrangler Unlimited review
I've long thought that if a car enthusiast fell into a coma, say, 60 years
ago and just awoke, he or she might recognize only two vehicles: The Porsche
911, and the Jeep Wrangler. Sure, both those ...
After Starting
The idle speed is controlled automatically and it will
decrease as the engine warms up. ...


