How to Fix GMC P0678 Engine Code in 3 Minutes [2 DIY Methods / Only $9.29]

How to Fix GMC P0678 Engine Code in 3 Minutes [2 DIY Methods / Only $9.29]

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Engine Code GMC P0678 Saving Repair Parts:
Glow Plugs: https://amzn.to/3vPvtJi
Multimeter: https://amzn.to/3tHIlQ2
Glow Plug Control Module: https://amzn.to/3cRnhzO

This video shows you How to Fix Engine Code GMC P0678 in the easiest, quickest, and cheapest way. 2 practical solutions to fix the GMC P0678 error code. 2 simple DIY solutions to repair GMC P0678.

Engine Code GMC P0678:Cylinder #8 Glow Plug CircuitIt means that the PCM detects the glow plug voltage reading does not match the manufacturer’s specifications on Cylinder No.8.The Glow Plugs. The Glow Plug Control Module. Multimeter.
How to test The Glow Plugs. Tips and tricks for testing and replacing the Glow Plugs in your car and fixing code P0678. Tips and tricks for testing and replacing The Glow Plug Control Module in your car and fixing code GMC P0678.

Fix Engine Code GMC P0678 Easy DIY Method A | The Glow Plugs
1. Remove the Glow Plugs
2. Test the Glow Plugs
3. Replace the Glow Plugs

Fix Engine Code GMC P0678 Easy DIY Method B | The Glow Plug Control Module
1. Inspect the Glow Plug Control Module
2. Replace the Glow Plug Control Module

nonda Auto DIY Center is the biggest Auto DIY Video Center in the World. These videos are dedicated to helping people fix error codes by themselves with minimum expenses.

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0:00 What is GMC P0678
0:37 Method A – The Glow Plugs
1:23 Method B – The Glow Plug Control Module
2:07 Claim a FREE Engine Code Eraser

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