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Old 04-11-2019, 09:24 PM
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740ilDuke 740ilDuke is offline
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Join Date: Oct 2011
Location: Greenville, NC
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Cleared codes 2 days ago. Drove a few cycles, light cut on again last night.

4/11/19 Codes

20- Lambda probe 2 rear cat

4 - 02 sensor heater rear kat bank 2

81 - secondary air system bank 2

27 - LR adaptation area1 bank 2

23 - Lambda sensor ageing hcat bank 2

Where should I start?
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740iLDUKE
01' DINAN 7 S62 Swap - Stratus Grau
(1587 produced in SG 440)
02' 4.6is DINAN X5 S2 Supercharged
833/3258 produced | 1/27 Dinan X5's
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