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Misfire Code P300-P306

989 views 0 replies 1 participant last post by  Burnedouton4.3 
#1 ·
I'm new to this site and have noticed a lot of input on the misfire problems. From my dealings with this pain in the A** code I have discovered a easy fix that has worked on average 7 out of 10 vehicles. On the Safari and Astro the computer sits directly under the battery exposing the Black engine harness plug to all the crap your battery decides to discharge. Simply take out the battery and unplug the Black plug, spray out the end with compressed air and grease with Di Electric grease and reverse the steps. Start the vehicle and watch the code vanish and run great for the next 6 months! I have seen people spend hundreds changing ignition systems and EGRs and still having issues. Like I said this has worked on 7 out of 10 for me so I hope it helps you.
 
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