Have a 2000 RHD Cherokee (200K miles) that got hot on mail route and oil pressure went away (this was a few years back,radiator blew). Been getting by with 15 40 Synthetic in winter, regular 15 40 in summer. In both cases a bottle of STP added. The oil light has started to come on at idle after it is warm. Some one suggested going to a straight weight. Don't want to start thin and waste it. Don't want to go too thick to begin with. Whats your best guess on the weight I should try first. Thanks.
It is used as a back up vehicle now so not driven all the time. The oil light started coming on this winter.
It is used as a back up vehicle now so not driven all the time. The oil light started coming on this winter.
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