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Old March 15th, 2019, 09:27   #1
Dalon
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Join Date: Apr 2015
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Default Replace bad glow plug or all?

Hello all. Got a CEL last night, scanned for codes and it was P0673 for cylinder 3 glow plug. My question is, should I replace just that single glowplug that is bad or all 4? Iím not sure when, if they even were replaced before. Thanks!
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Old March 15th, 2019, 09:34   #2
csstevej
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Personally I’d do just the one, check the rest , and motor on.
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Old March 15th, 2019, 10:01   #3
belome
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Personally, I'd look at the wiring harness before doing anything.
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Old March 15th, 2019, 10:13   #4
BobnOH
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Good advice. You can also check the plug with an ohm meter to verify it is in fact bad, then do all 4.
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