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Help needed!!!Ignition timing retard problem

 
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Old 07-06-2019, 10:20 AM
Chad Williamson
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Help needed!!!Ignition timing retard problem

I now have 2 5.4 f150s that pull ignition timing for no apparent reason. No codes at all. But if you unplug knock and cam sensors it runs mint and timing works correctly. Both trucks do have the phasers locked out and levinis program installed. They have been looked at several times by mechanic and dealership with no explanation.
 
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Old 07-07-2019, 10:13 AM
alloro
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Have you tried running premium gas to reduce any chance of detonation retarding the timing?
 
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Old 07-07-2019, 08:54 PM
Chad Williamson
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Originally Posted by alloro View Post
Have you tried running premium gas to reduce any chance of detonation retarding the timing?
kinda tried with one tank. Wasnít helping. Itís crazy bad. -5 timing.
 
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Old 07-11-2019, 01:48 PM
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Perhaps it is something in the aftermarket tune?
 
 


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