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2014 Ford Transit Connect 2.5L Gas - Rough Idle and Running


TC2014
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Story Time

Owner of a used 2014 Ford Transit Connect 2.5L Gas

This morning go to start the vehicle, clearly hearing misfires on the idle. Van runs at reduced power, very shakey, and CEL/Engine Light flashing like crazy.

Luckily because it is a Work Vehicle, I had invested in spare parts for standby in case of an emergency. Grabbed those spare parts and took them, had to drive off due to the timeframe.

Once I got to a safe spot to do some work, I brought out a scan tool that indicated misfires all over the place and "Open to Ground" on all injectors and the Fuel Pump

8mm Socket to remove the bolts that hold on the Ignition Coils

5/8" Spark Plug Socket (3/8" drive) for removing the Spark Plugs

Cylinder #2 Spark Plug was missing the pointed center electrode, all the remaining cylinders had significant corrosion and carbon buildup

Cylinder #1 Ignition Coil was cracked and showing internals

 

After replacing these parts, I started the van back up. Clean Idle, no knocks.
Cleared errors with my scan tool

I still got codes for "Open to Ground" on all the Fuel Injectors and the Fuel Pump, but that has been an issue since I have owned this vehicle.
If anyone has insights into this particular issue, let me know what you found. Otherwise, problem resolved.

Parts sourced from Rock Auto

Ignition Coil: SKP SKUF621T
Spark Plugs: 
NGK 90220 Ruthenium HX High Ignitability
*probably overkill on the spark plugs but they were the highest rated on RockAuto and
the price was reasonable at ~$12.60 CAD each*



Hope this can be helpful to others.

 

Ford Transit Connect Cylinder #1 Ignition Coil 1.jpg

Ford Transit Connect Cylinder #1 Ignition Coil 2.jpg

Ford Transit Connect Cylinder #1 spark plug.jpg

Ford Transit Connect Cylinder #2 spark plug.jpg

Ford Transit Connect Cylinder #3 spark plug.jpg

Ford Transit Connect Cylinder #4 spark plug.jpg

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