Quote:
Originally Posted by honfit
If you pull the coil you may find discoloration/burn marks on it from trying to arc elsewhere.
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Thanks Honfit and other suggesting a coil check. The ignition problem began to return within a few hundred miles of installing the new plugs. And it was getting worse. I decided to test the coil (finally). The prescribed resistance test in the Honda Service Manual showed normal ranges. But I noticed that the distributor cap and the rotor no longer looked all that normal to me. Half the rotor's contact strip was burned brown to black. The inside of the distributor had that chalky-looking grey/white corrosion on the contacts. I changed the rotor, cap, and spark plug wires. Runs beautifully again.
I'm wondering now if a faulty MAP sensor could be contributing to all this? I got the DTC P0108 randomly two days ago. I reset to see if it was random or recurring. I have not gotten the CEL again, but the MAP sensor could be precipitating some of my poor running, acceleration, and FE problems associated with all this ignition trouble, no?