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03-02-2014, 05:03 AM | #1 |
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Engine light codes
Hey guys could someone help me with these codes
2739 secondary air mini-HFM electr. Diagnostics 274b Lambda sensor pump current assimilation error VKAT bank 2 2743 lambda sensor heater resistant diagnostic VKAT bank 2 I think they might be O2 sensors but I don't know what else |
03-02-2014, 10:23 AM | #2 | |
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http://www.m3post.com/forums/showthread.php?t=928325 2739: I'll look that up later. 274B - P2629, Post-10 2743: I'll look that up later too. |
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03-02-2014, 02:01 PM | #3 | |
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03-02-2014, 02:52 PM | #4 | |
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274B - P2629, Post-10 2743 - P0155, Post-61 |
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03-02-2014, 03:24 PM | #6 | |
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Vkat = vor (before) cat Nkat = nach (after) cat
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08-22-2019, 12:22 PM | #8 |
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Hey guys I have a few questions so these codes keep popping up (2739 - 27C5) on I change the Air Suction Pump Hose already & my engine malfunction light still comes on, any idea what it can be
I look up the codes & it says description for 2739 says "AIR MASS SENSOR SECONDARY AIR ELECTRICAL DIAGNOSIS" Secondary Air Injection System Air Flow/Pressure Sensor Circuit High (Bank 1) description for 27C5 says "AIR MASS SENSOR SECONDARY AIR SIGNAL" Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 1) |
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