How do I fix code P0673?

Table of Contents

What Repairs can Fix the P0673 Code?

Repair or replace any damaged, corroded, or loose wiring, connectors, and harnesses.
Replace damaged or broken glow plugfor cylinder 3.
Replace any blown fuses and repair any shorts.
Replace the glow plug relay.
Repair or replace any bent or damaged pins in electrical connectors.

What causes a P0671 code?

The P0671 code indicates that the PCM has detected an abnormal voltage reading from the glow plug circuit in cylinder 1.

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.

What does open circuit on glow plug mean?

What is glow plug circuit A?

P0380: Glow plug/Heater, circuit A – malfunction (2.0 HDi engine) This fault code does not light a lamp on the dashboard. It indicates a problem in the preheating circuit. This generic fault code does not specify the exact cause of the problem. The probable cause is a malfunction of the glow plugs themselves.

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 does the p0672 code on a Chevy Silverado mean?

The code is the main way of identifying such a problem. 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.

What causes the p0673 code on the engine?

The engine management computer (PCM) will set the code P0673 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

What does the glow plug on a Chevy Silverado mean?

The Engine Control Module (ECM) has detected a fault in the cylinder #2 glow plug circuit The glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. The glow plugs are heated before and during cranking, as well as initial engine operation.