Compression Ignition Addict
Join Date: Aug 2010
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looks like a turbo rebuilds', in order. Remove the oil cap ,and flip it over onto the oil fill tube, see if theres pressure, while trucks' run's idleing.
it could be the idm / pcm but you'll have to do a test at the 42 pin connector..(location at d/s vc). Google it, you'll find what specs to look for.
the "machine" you used to find the codes, can you do a buzz test / cyl contr. test with it?
99.5 x-cab 7.3l, 6spd, 161k miles.....