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enough to cause this ?
Posted to Emissions Forum on 8/13/2009 95 Replies

afternoon everyone

01 f-150 4.2L , p0171

vacuum steady , 02's and mass recently replaced . the only vacuum leak i found was through the purge solenoid . fuel trims are good short term , but a tad high on long term @ 5% ( they were 18-20% prior to the purge... Login to read more.

95 Replies Received (View Replies)