What you're describing seems to be very similar to what many people have used Rev-X for, and with great success. Internally, there is a spool valve that moves only .017" to operate the injector. These valves can sometimes not move like they are supposed with colder weather and higher miles. Rev-X does an incredible job at helping the spool valve movement return to normal, but it can't fix a mechanical failure.
I know that your strategy is one that a roll back will probably be suggested for, if you so decide to consider that as well. Here's what I'd probably suggest, ECM/TCM rollback, FICM programming(not sure about whether to do inductive heating for your area), and Rev-X oil additive.
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Thomas H.
'97 F-250 CCSB 7.3L Auto, Gauges, Modded H2E, 285/200% sticks, 7.3L IC, Stealth Dual HPOP, Pheonix chip
'03 F-250 CCSB 6.0L Auto, Gryphon CTS, FICM tuning by PHP, Powermax
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Wed, February 2nd, 2011, 04:35 PM
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