wtf?

Just had a thought. Maybe the time it didn't ping was a complete fluke? Just a random thought.

It took two good cleanings of my MAF, replacing my ECT/IAT/TPS/fuel filter & 2 treatments of seaform cc cleaner to get my car to stay ping free. It's been good up to 100* heat. I haven't really nailed it yet at 110* + yet. So you may need to replace some of the above parts to stay ping free. In the end, it took another thorough cleaning of the MAF to completely elleviate the pinging, but my guess is one of the above parts was partly to blame also.

The first time I attempted to stop my pinging problem I ONLY cleaned the MAF. It had absolutely no affect. I then replaced the above parts & cleaned my k&n filter. That didn't help. Then I cleaned my MAF again, and voila, no pinging. By re-oiling & cleaning my k&n, a tiny amount of oil may have been present on the MAF wires; Which in the end was resolved by cleaning the MAF again.

And I mean a good cleaning. I sprayed carb cleaner on one side of the q-tip, cleaned the left base post, went to the other side of the q-tip, sprayed carb cleaner on the other side of the q-tip, and cleaned the opposite side of the same left base post.

So at least 1 q-tip for each base post, one for each side of each maf wire. Then a few more to go all around. Make sure there is no cotton fibers left over when you are done.

I think I went through 15 q-tips. I know it may seem a little anal, but in the end it worked and I am ping free, for now.

Scott