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BMW 1 series E87 N43 Engine due to faulty NOx sensor had rough running, shaking, vibrating, unstable idle and sudden loss of power on the go.
Diagnostics showed error codes:
-Misfire on cylinder 1, 2, 3, 4;
-Cylinder equalization via irregular running on all cylinders;
-Nitrogen-oxide sensor (NOx) electric;
-Nitrogen-oxide sensor (NOx) lambda linear;
-Nitrogen-oxide sensor (NOx) lambda binary;
-Rough running stratified-charge mode;
-Nitrogen-oxide sensor (NOx) offset.
All these error codes are the result of NOx sensor malfunction due to N43 very very complicated ECOLOGY.
Searched for new NOx sensor for cheaper price and found on ebay some analog shown on video.
After replacement no more engine shaking, no misfires at any load conditions. Stable idle when cold and hot.
Sensor changing procedure is very simple and can be done in 30 min. Can give an explanation if interested.
#bmw #ista #nox
21 сен 2024