Replaced actuators, oil, filter, crank sensor; has no signs of running poorly, gets 26 -27 mpg, easy start, no sounds from timing chain area; (or other places), light is off sometimes when starting in the morning, comes on at 30 to 60 miles later or 3 miles. still with p0014 code.
ECU or wiring or fuel injectors ? how to check ECU for intermittent problems?
What makes this problem better or worse?
no proformance problem
How long has your 2012 Buick Regal had this problem?
RepairPal Certified shops can diagnose and repair your 2012 Buick Regal. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Recommend having qualified personnel perform a *complete* scan test with live data view so actuators and camshaft position can be monitored during test drive..
Unfortunately - there is no viable test for ‘intermittent’ failures..