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@Schulisco, true; because the corrosion didn't move when I swapped the injector lines, that makes me think that the corrosion must be in the injector or the line, not the fuel distributor. For example, when I started testing, fuel coming out of injector #2 was darker than the rest. I then moved the fuel line going to cylinder #2 from its position on the fuel distributor to position #3; the corrosion stayed at cylinder #2 even though it was getting fuel from cylinder #3's old position on the fuel distributor.
Does that conclusion make sense, or am I missing something?
With new injector seals installed, I sprayed a little starting fluid on the injector seats; the engine revved up every time I did. That leads me to think that the seals around the injector inserts are bad. The Bentley manual says that injector inserts can be removed using a hex key, but mine don't appear to have a hex pattern. I did a little YouTube research, and it seems like my inserts may have to be removed with the intake runner removed. Anyone have any bright ideas that don't involve pulling intake runners?
AAV and AAR test good. Sprayed the decel valve with starter fluid and the engine revved. Air hoses look good, so thinking that valve has failed. Should pull off car and bench test with a vacuum.
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