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I have s class 2010 s400 suddenly I experienced check engine light on , there are 2 codes shows in pictures ,I have doubled checked the intake manifold plastic flap it's not broken ,I replaced it with new metal flap and I replaced as well all intake manifold new gaskets and the 3 plastic suction pumps , I'm still having this error in open circuit ,please help ,The oxygen sensor wire left side before bank was disconnected completely after connecting it the error code disappeared
Sounds like a wiring problem then, since that's the other half of what Star says the code could mean. Is it a 3 wire plug? Power, ground, signal? Check for power and ground at plug first, if so. You could also short the signal pin to ground and check reported position in Star and see if it responds at all. But may sure you understand pinout of plug before screwing around. Can use a test light instead of an actual short/wire to protect the circuit.
Sounds like a wiring problem then, since that's the other half of what Star says the code could mean. Is it a 3 wire plug? Power, ground, signal? Check for power and ground at plug first, if so. You could also short the signal pin to ground and check reported position in Star and see if it responds at all. But may sure you understand pinout of plug before screwing around. Can use a test light instead of an actual short/wire to protect the circuit.
I tried to diagnose the tumble flap of the intake and do actuation as you see in the picture the voltage range is not in the operated does it means something related to fuse
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