p1390 for 2002 saab 9-3 SE

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Reynaldo · Answer 1 · 2018-09-08T03:51:43+0000

P1390 Random misfire

This code is a P0300 random misfire, which can be cause by igntion related to low fuel pressure,

When you encounter a P1390 check the igntion coil sparlplug boot for oil soak igntion boot to worn out ingition coil boot seeking ground.