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Expert
216 Answers
- Posted on Aug 31, 2009
Re: 1997 pontiac sunfire 2.2litre appears number two and...
Sounds as thou thoses 2 clyinders are running rich either from excesive fuel aka bad injectors or drivability issues bad map sensor leaking intake ? need to scan ecm readings check all the sensors ? are you sure coil pack not failing ?
how did you know only those cyc only firing, if all have firing than others are not getting fuel, bad wires, distributor contact carbon up or clog injectors maybe?
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