Originally Posted by RayG

I finally got the new plug in last night. The bad hole was #4, behind the injection pump. I had to cut most of the shank off the tap to get it into the hole. I wasted some time trying to grind uniform, parallel flats for a wrench, using a Dremel tool. My bench grinder motor is fried. Then I realized I could just use an 11 mm open end wrench to turn the tap by slipping it over the teeth.

In a twist, typical of my auto repair adventures, I lost one of the nuts that hold the wires on. It dropped behind the IP and I could not find it. I drove 7 miles to Home Depot and found 5x0.8mm nuts in the metric fasteners bin in the hardware section. Great. I saw they also had 5mm wavy washers, so I put the nuts back in their little bin for a moment, picked up the wavy washers and decided to get them as well, in case one of those was lost. I hate making 2 trips. I picked the nuts back up, stood in line the requisite 20 minutes behind a guy buying $900 worth of house paint in 1-gal cans and drove home. When I put the first nut on, it hung up after going on about 1/2 turn. I looked at the bag: 10-24. SOB!