Quote:
Originally Posted by JoeT4R
How did you end up discovering that it was a fuel injector?
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Deductive reasoning.
Cleaned, tested, and replaced everything that the FSM said was related to the 171; and it still showed up.
So then I moved onto the fuel system; replaced the filter with no change; tested the pump (within spec); ohmed out the injectors (within spec).
Just for poops and giggles I bought an ultrasonic cleaner and injector tester; put all 6 in the cleaner with dawn for about an hour, then pulsed each one for about 30 minutes in the cleaner; then put them back in with fuel system cleaner (to try and get rid of water).
Bam.
No more 171.
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