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      12-30-2024, 01:39 AM   #1
brgolf
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Angry Mystery Misfire and Stalling at idle N52

Throwing multiple codes and can’t figure out what is the problem. Car misfires on all cylinders over 3500 rpm (have to shutoff and clear codes then drives fine under 3500rpm) Car will stall at idle when warm, will never stall while driving though.

REPLACED ALREADY
-Coils
-Plugs
-Camshaft sensors
-Crank Sensor
-Fuel Pump and filter
-Have cleaned vanos
-Eccentric Shaft sensor not replaced but is clean no oil in sensor List of codes in the screenshot
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      01-18-2025, 09:25 AM   #2
633csi
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How often do you change your engine oil? And what brand oil/type do you use? Sounds random? The Vanos needs good oil pressure and clean oil to function properly. Just a hunch.
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      02-06-2025, 04:35 PM   #3
Cuskolini57
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My friend had a problem similar to yours after replacing timing chain, car was not timed properly
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      02-06-2025, 05:02 PM   #4
brgolf
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Quote:
Originally Posted by 633csi View Post
How often do you change your engine oil? And what brand oil/type do you use? Sounds random? The Vanos needs good oil pressure and clean oil to function properly. Just a hunch.
So i some how overlooked that i had plugged the Intake Vanos connector into the exhaust Solinoid and vice versa , car seems to run better , havnt driven it much since though
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      02-06-2025, 05:03 PM   #5
brgolf
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Quote:
Originally Posted by brgolf View Post
So i some how overlooked that i had plugged the Intake Vanos connector into the exhaust Solinoid and vice versa , car seems to run better , havnt driven it much since though
Pretty sure this was the reason for the car stalling at idle and misfiring at over 3500 rpm , im getting it reinsured today so ill keep yall updated
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