Question about 1991 Jeep Wrangler
It make noise like knocking
Ever do a 60k tuneup this decade.
if this is knocking combustion detonation, the engine will self destruct soon. ping or knock is cause by lean mixtures and very hot combustion, all very bad, do not go up hills that makes this worse.
i say get a shop to check it out. before it gets too costly to fix.
easy on any 91 car.
Posted on Apr 02, 2014
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Posted on Jan 02, 2017
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