if you put unleaded plus in a 2001 jeep cheerokee 4.0 can you get a gas knock


Asked by Joseph Nov 21, 2014 at 06:12 PM about the 2001 Jeep Cherokee Sport 4-Door 4WD

Question type: Maintenance & Repair

battery tested bad was old from 2006 wasnt having problems with it but replaced it to be safe a couple days before i put unleaded plus in it for the first time when it got down to an 8th of a tank i put regular back in it after changing battery it has a load knock when starting out what could be the problem

3 Answers


Have you checked you oil level? The fuel should have no effect or cause since the cherokee is made for regular fuel.


It is possible you got a bad tank of gas or because the tank was run low on fuel causing the filter to get clogged and restricting fuel.

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