P1690 Diagnostic Trouble Code Discussion for April 2007
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| Help Request | Posted | |
| 1999 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTWW33F4X P1690: Wastegate Control Valve Malfunction. does not crank or start unless i send power to pcm relay and jump the ign solinoid and wont communicat with pcm without power to relay |
April 30, 2007 |
