Question about 1994 Jeep Grand Cherokee
Code 27 is a fuel injector problem. The best way to check them is to start the jeep and take the injector wires off the injectors on at a time. If you pull the wires off the injector while its running it should make it run worse. if it does put the wires back on that one is not the problem then move onto the next. If you get one or two that don't make the engine run worse when you pull the wires off that is the one that is bad. Should only be one. oh and code 55 just means end of codes so don't worry about that one.
Posted on Nov 11, 2010
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Posted on Jan 02, 2017
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