Intermittent Spark
#12
So, if I understand You right, You seem to have a misfire symptoms on a random cylinders, not the specific one...?
If the spark is intermittent on the other plugs as well, it may be the coil or an ignition module too.
If the spark is intermittent on the other plugs as well, it may be the coil or an ignition module too.
#13
Strange happenings, replaced tune up components and cylinder 4 misfire showed up. Changed rotor, then plug in #4, started random misfires (P0300) so put the other rotor back in (AC Delco) and reverted back to cylinder 4 misfire
#14
Update, replaced a sloppy distributor that had too much play in rotor as well as vertical play. Completed compression test and found 0 PSI in cylinder 4. Pulling valve cover and head to repair. Thanks for all your help with this
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