dp213 Posted December 15, 2019 Share Posted December 15, 2019 Hi folks, long time, no visit from me. A friend has an 01 no turbo impreza with a p0301 code. The engine has about 20k on it since complete rebuild and until yesterday has been perfect. I know it's a cylinder 1 misfire, just trying to give him some advice for fixing it as he is to far away. The car runs fine at freeway speeds but when you slow down to a stop it almost dies. He swapped plug wires and plugs, but no change. Compression is 150 on #1. Any ideas would be great, and by the way, hes not very mechanical and hes nowhere near somewhere to take it to get checked. Thanks Dp Quote Link to comment Share on other sites More sharing options...
forester2002s Posted December 15, 2019 Share Posted December 15, 2019 First things that I would try: - Switch #1 spark-plug with adjacent. Still get the same code? - Switch #1 spark-plug wire with adjacent. Still get the same code? Do these sequentially, not both at the same time. Otherwise you can't tell which one made a change. Quote Link to comment Share on other sites More sharing options...
ocei77 Posted December 17, 2019 Share Posted December 17, 2019 Have him look in FSM here: http://jdmfsm.info/Auto/Japan/Subaru/ Look under DTC code 301 and follow procedures. O. Quote Link to comment Share on other sites More sharing options...
dp213 Posted December 19, 2019 Author Share Posted December 19, 2019 Switched plugs and wires, still the same. Put in new coil pack and all good. 1 Quote Link to comment Share on other sites More sharing options...
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