Check Engine Light
What triggers a CEL....a single incident or an accumulation of faults to meet a pre-programmed threshold? Have a 2013 F-150 5.0 V-8 with 120K miles. For the last couple of weeks it's been kinda rou...
Forum Discussion
Usually the computer will have to register the issue on 3 consecutive "trips" to set a code. Likewise it will put the light out with 3 consecutive trips without the fault appearing. Be aware that the computer's definition of a "trip" is different than ours. I would start with a set of plugs but I have seen vehicles with over 200,000 KM on the factory ones and running fine.
