- Faulty Glow Plug #4
- Glow Plug #4 harness is open or shorted
- Glow Plug #4 circuit poor electrical connection
- Faulty Glow Plug Controller
Tech notesGood information on how inspect, remove and replaced the glow plugs: Jeep Glow Plug Inspection, Remove and Replace
- Engine Light ON (or Service Engine Soon Warning Light)
P1266 Jeep DescriptionGlow Plug #4 Circuit is the generic description for the P1266 Jeep code, but the manufacturer may have a different description. Currently we have no further information abouth the P1266 Jeep OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
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P1266 JEEP CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1266 Jeep code? Have you replaced any parts?
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