Error code po671
HI,
http://engine-codes.com/p0671_gmc.html
It's a Glow Plug.
Possible causes- Cylinder #1 glow plug circuit is open or shorted
- Faulty cylinder #1 glow plug
- Faulty glow plug module Help with thisSymptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- The engine may be harder to start
- Engine hesitation
Read more: http://engine-codes.com/p0671_gmc.html#ixzz28UT1VO75
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