Secondary air pump e46

If your lucky the check valve will fail closed but most times the check valve fails. This system consists of an air pump, exhaust manifold input check valve and a vacuum control switch, along with the associated input and vacuum hoses and electrical input circuit to the vacuum control switch. Another noteworthy purpose of the secondary air pump is to prevent damage to the exhaust system by blowing out any accumulated water vapor that could freeze the system. This function is necessary when the system detects the ambient air is below -degrees C (-degrees F). A check valve is usually installed in the secondary air pump duct in order to prevent back flow of hot exhaust gases into the air pump.

The secondary air system is prone to faults that illuminate the check engine light. If you have fault codes for your secondary air , check the operation of the pump. The late Emodels are equiped with a secondary MAF, which monitors how much air is being pump into the exhaust. This allows the secondary air pump output to be controlle avoiding too lean exhaust conditions.

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Fill Your Cart With Color Today! BMW 325Ci Secondary Air Injection Pump : 325Ci ( E) - 2. L Cyl (Valve) 325Ci ( E) - Convertible - 2. Save bmw esecondary air pump to get e-mail alerts and updates on your eBay Feed. Unfollow bmw esecondary air pump to stop getting updates on your eBay feed. As the air is heated it helps to combust the un-burned fuel coming from the engine as well as bring the catalytic converters up to operating temperature sooner.

A wide variety of esecondary air pump options are available to you, There are esecondary air pump suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 1 of esecondary air pump respectively. Esecondary air pump products are most popular in North America, Western Europe, and Eastern Europe.

A failed air injection pump is more than a noisy annoyance. Bad pumps store a fault code and turn on your check engine light, a sure way to fail your local emissions test. BMW 325xi Secondary Air Injection Pump : 325xi ( E) - 2. Verify part number from original pump before ordering. This part helps to reduce emissions by mixing fresh air with the exhaust.

Replacing the failed air pump will resolve the issue and allow the fault to be cleared. The electric valve switches through the vacuum from the intake system for the purpose of opening the secondary air check valve. At that point the secondary air system may be shut off. You can test the function of the secondary air components using a BMW scan tool.

And if you do, you will only pass with readiness monitor incomplete ( Secondary Air ). I can cure the issue on Ecars, as I have with our Continental Tire Challenge car. I have an error code showing secondary air pump valve on the scanner. The DME can only monitor things it is directly connected to like the secondary air valve and the relay for the pump. That pump runs only until the engine gets warm and starts to run closed loop, when the secondary air pump turns off.

As you can tell by looking at it, it is substantially similar to a vacuum cleaner fan, and that is pretty much what it sounds like. When this part fails cause a engine fault code and it will trigger a service engine soon light. The air injection smog pump pushes air into the exhaust system right after the exhaust manifol to help intercept and burn those unburned fuels. The system is critical to help cars achieve government emissions standards.

So, the law says you need a secondary air injection system. L Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. There are 1secondary air pump for bmw suppliers, mainly located in Asia. Secondary air pump for bmw products are most popular in Western Europe, Eastern Europe, and Northern Europe.

The usual cause is the non return valve or pump. Your engine is full of vital pieces of equipment that ensure your BMW is the best fit not only for you, but also for everyone else. If the air pump is seized it must be replaced. The non-return valve may stick open and allow exhaust gases to condense within the air pump housing leading to a failure of the pump.

Various Relays in the BMW E46. The first set of relays is located behind the glovebox. This relay location requires that the glovebox be removed for access. Air Suspension Compressor Pump For Audi QPorsche Cayenne VW Touareg.

The Secondary Air Injection System ( AIR ) Switching Valve is the computer controlled valve that controls the air injection into the exhaust system of the engine (this valve may be integral to the AIR pump ). Once the secondary air pump is removed the SAP Simulator is mounted with a single screw, spliced into wires under the fuel rail cover for the pre-cat oxygen sensors, and plugged into the SAP power connector. ESecondary Air Pump replacement Since so many have their air pumps die, here’s a procedure for DIYers. You may as well know what the Secondary Air Pump does.

Basically, it helps with measured figures during cold start emissions testing for about seconds, by pumping air into the exhaust in order to dilute the fumes and work in tandem with the cold start cycle to warm the cats quicker. I live in CA and was wondering what are the consequences of not. Depending on the model, the air can be injected at one or more locations.

Early systems used a belt-driven pump with air being directed by vacuum-operated switching valves. When the air pump is malfunctioning, the vehicle may perform normally. An abnormal noise may be noted from a failing air pump.

Certain vehicles will come equipped with a filter for their emission system air pump. Shopping for Cheap Secondary Air Injection Pump at Okay Motor Products Inc. Store and more from pump for, pump pump , pump air pump on Aliexpress. Leading Trading Marketplace from China - Secondary Air Pump For Oldsmobile Intrigue Aurora Cadillac Deville Seville 3.

AutohausAZ offers a large selection of Pierburg parts online. The control module provides ground for the pump relay. Battery voltage is then applied to the pump. The filter is the only serviceable part of the pump. BMW Secondary Air Emissions Pump Mass- Air Flow Meter MAF EEXX3.

An air pump is used on the vehicle to lower tail pipe emissions on start-up.