I was have a huge loss of power so startedgoing through things. New plugs, wires, cap and rotor and fuel filter. It did not get any better. I pulled the plugs again and found the first three look like normal plugs with 50 miles on them. The fourth plug looks like it just came out of the box. I checked the new wire and it has spark so I assume it is a lack of fuel. The old plug had a white powdery look to it which I thought showed a lean condition. I put some injector cleaner in the car and ran about 50 more miles with no change.
I have never worked with injectors and don't want to be a bull in a china shop. How do I check these? Do I have to remove and replace all of them at once? Is it possible to rewire them if I find a problem with the wiring?
Thanks for the help.
90 G60 running on 3 cylinders
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