Common questions

What does glow plug open circuit mean?

What does glow plug open circuit mean?

OBD-II Code P0673 is defined as a Cylinder 3 Glow Plug Circuit/Open. The Glow Plug is used on diesel engines to preheat the cylinder before the engine is started. If the engine control module (PCM) detects the glow plug for cylinder three is not operating properly, the PCM will set code P0673.

Is there a glow plug module for Ford PowerStroke?

Checked ohms on each plug, all seems ok there, so pulled glow plug module from son’s truck and put on mine, and low and behold no CEL!! Simple solution right, order new module. So I did.

What does the code p0676 mean on a glow plug?

The code P0676 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #6 to fail to heat up. The entire circuit must be checked to locate the fault. Note: If a P0670 trouble code is present along with this DTC, carry out P0670 diagnosis before diagnosing this code.

How to diagnose a Ford glow plug fault?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost to diagnose the P0670 FORD code is 1.0 hour of labor.

How to check cylinder 6 glow plug circuit code?

Check the cylinder #6 glow plug by disconnecting the wire connector on the plug. Place the DVOM on ohms and place the red lead on the glow plug terminal and the black lead on a good ground. The range is .5 to 2.0 ohms (verify the measurement for your application by referring to a factory service manual).

What does the code p0672 mean on a glow plug?

The code P0672 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #2 to fail to heat up. The entire circuit must be checked to locate the fault.

What is the code for a glow plug failure?

With just one glow plug failure other than the check engine light coming on, the symptoms will be minimal since the engine will normally start with one bad plug. Under freezing conditions you would be more likely to experience these. The code is the main way of identifying such a problem. The engine management computer (PCM) will set the code P0672

Why is the glow plug on cylinder 2 not working?

This intense heat is quickly transferred to the cylinder head which allows the heat of combustion to maintain its heat for the fraction of a second it takes to ignite the incoming fuel for starting. The code P0672 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #2 to fail to heat up.

Why is my engine code p0672 not working?

The engine management computer (PCM) will set the code P0672 The engine will be hard to start or may not start at all in cold weather or when its been sitting long enough for the block to cool. Lack of power until the engine heats up sufficiently. Engine may miss due to the colder than normal cylinder head temperature

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Ruth Doyle