E39 catalytic converter problem




















Then the oxygen sensor will measure a lean signal, which will cause the DME to compensate for the problem by trying to make the mixture rich. The oxygen sensor signal will then measure a rich signal which causes the DME to compensate for the problem by making the mixture lean. Additive mixture adaptation Idle Vehicle idle If the value is greater than 0.

The oxygen sensor signal measures a lean signal which causes the DME to compensate and make the mixture too rich. If the value is less than The oxygen sensor signal measures a rich signal which causes the DME to compensate for the problem by making the mixture too lean.

Seal on 2 and 3 Pin Plug Connectors Model: All BMW Complaint: When connecting or disconnecting 2 or 3 pin plug connectors it is possible for the rectangular seal to fall out of the plug housing unnoticed. The seal prevents moisture from seeping into the plug as well as ensuring that the two halves of the plug are properly tensioned so that the contacts do not move within the plug. If this movement occurs the contacts can develop corrosion. Corroded or loose contacts could cause problems with the proper functioning of the vehicle, as well as causing difficulty in diagnosis due to the possibly intermittent nature of such problems.

Remedy: Ensure that when working with 2 or 3 pin plug connectors the seal is in place before the plug connector is connected. If it is missing then it must be replaced. Oil Pressure Warning Light Comes On Model: BMW E38 with M60, M62 and M73 Engines Complaint: During production an oil pressure switch wiring harness was installed which could let water into the electrical connector, which in turn will cause corrosion at the oil pressure switch pin connections.

As a consequence of this corrosion the engine oil pressure warning light will come on, even if the oil pressure is fine. Remedy: The oil pressure switch and the oil pressure switch wiring harness needs to be replaced. This procedure will apply to vehicles produced before January Complaint: As a result of a porous float in the level sensor assembly the engine oil level sensor may indicate an incorrect oil level.

If action is necessary then replace the oil level sensor on the affected vehicles. Remedy: The idle speed control valve is to be replaced if: -The engine control module has a fault code 12 M50 , or fault code 73 M50TU , and transmission control module fault code only automatic transmission vehicles is experienced.

If action is necessary then: -Remove the NTC coolant temperature sensor plug which is mounted in the coolant pipe above the exhaust manifold—blue connector. Add to Wish List Add:. Choose a wish list to add product to:. Add Cancel. The product has been added to your wish list.

Thank you! Continue Shopping. New Customer Create an account to be able to build Wish Lists. Create Account. Have an Account? Forgot Password? Sign in to your account for an easier and quicker checkout experience. Could not verify your account. BMW 3 Series. Show details. BMW 4 Series. BMW 5 Series. Show more. Popular catalytic converters BMW.

Change region. S and W Metals Ltd. Add Review. Why should catalytic converter BMW be replaced? Catalytic converter core buyers near me. Catalytic converter is stolen. Can I drive? Maynard said he has had fairly frequent people who walk into his shop who have had their converters stolen, but he believes there is also another problem. Wanting to remove a converter derives from drivers wanting louder sounding vehicles or to gain more horsepower, which doesn't work, Maynard said.

Catalytic converters are an emission control device that prevent carbon monoxide from leaking out of a vehicle's tailpipe and into the atmosphere. Besides the fact it is illegal to detach these parts, it is also unhealthy, which is the reason Maynard said his business does not cut them off.

Cat converters are not only to protect the environment, but they are also money makers.



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