Hello nice people,
I just watched a video that reminded me of the 1990's and 1980's, when I had a very smart older friend (and sometimes boss) who owned a small car electronics garage. He was an inventor and I was his electronics geek young friend. One of the electronic circuits I designed and built for him was something that he built fuel injector cleaning machines with. The machines were fancy looking with a few toggle switches and lights and hoses and he made a little fortune selling them to friends who run garages. The instrument was basically switching pulses with different patterns to injectors that had a cleaner chemical run through them at high pressure and the sprayed colored liquid would accumulate in long transparent cylindrical containers for comparison. They had 4, 6, and 8 options.
Here is a nice guy who looks like having a Turkish accent who makes good videos https://www.youtube.com/watch?v=8rk0tKtiVic who is using a much simpler process than my old friend.
Now, as I'm becoming a DIY experimenter on my Grand Prix, I have a few questions.
Is this procedure useful as a preventative measure? and is messing with the injectors (by taking them out and putting them back in the rail again) easy?
Is it worth the effort?
Are there performance signs that this process may fix, when there is no code?
I use SEAFOAM very frequently (almost every oil change) and I feel a difference and we all know that fuels engines have not changed much and carbon and other deposits do gradually clog the nozzles.
About another related topic, are there any performance signs that would make me think that a fuel pressure regulator is old and needs to be replaced, other than that it's diaphragm is leaking fuel?
I wish that the nice smart people in this forum have a say about those questions.
Thank you
Vincenzo Masiello
