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Yellow spark

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Old Jan 11, 2020 | 09:34 PM
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Yellow spark

What makes spark plug spark
yellow
 
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Old Jan 12, 2020 | 01:04 PM
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Low secondaryvoltage.
 
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Old Jan 13, 2020 | 11:07 AM
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Originally Posted by Shadydog1962
What makes spark plug spark yellow
Is it just one cylinder or all of them?
 
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Old Jan 14, 2020 | 07:18 AM
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All plugs are showing various shades of yellow no blue or white
 
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Old Jan 14, 2020 | 07:25 AM
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Originally Posted by Shadydog1962
All plugs are showing various shades of yellow no blue or white
That would make it a common issue among all cylinders and not just one. Start by inspecting the grounds on the engine block, at the battery, and the ones behind the passenger kick panel.
 
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