Sorry it's 2 door saab 900se engine light on with 2 Obd codes same time p0301 and p0300 .
I replace the sparkplug fule filter fule pump
no vacuum leaks .what else I have to check.
I will appreciate any assistance on this
.Thanks in advance
obviously random misfire, or possibly misfire on number 1 cylinder, could be coil packs, o2 sensors or a host of other things. I would suggest trying www.datsc.com. it is a saab site and they have lots of info there.
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