WebJan 4, 2016 · 1. Exhaust fume odor. One of the first and most common symptoms of a bad or failing check valve is an exhaust fume odor. The odor is a result of exhaust leaking either from the valve housing, or through the actual check valve back into the secondary air injection system. The odor may become most noticeable at idle speeds. WebSecondary Air Injection Pump. Smog Pump. An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the …
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WebSep 7, 2024 · 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. You can test the function of the … WebThe secondary-air pump draws in ambient air and injects it into the exhaust manifold downstream of the exhaust valves. There is a separate integrated air filter if the air is not drawn in from the intake system but rather directly from the engine compartment. Secondary-air valves are fitted between the secondary-air pump and the exhaust … elderly woman in a white bonnet
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WebDec 9, 2012 · Other BMW's: BMW E23 BMW E28 BMW E32 BMW E34 BMW E38 BMW E39. Sponsored by. Updated: 2012-12-09 21:24:32: General Information 1969-1998 Roundel issues on CD All About Motor Oil ... Secondary air system failure (fault analysis guide) Service interval light reset via the instrument cluster WebThe secondary air injection system is an emission control device that introduces fresh air into the engine to prevent high emissions during startup. ... (E38) 7-Series 1995-2001 (E65) 7-Series SWB 2002-2007 (E66) 7-Series LWB 2002-2007 (F01) 7-Series SWB 2009-2015 (F02) 7-Series LWB ... 2004-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i ... WebEntdecke BMW Airbag ECU Steuermodul passt 7er E38 X5 E53 6900727 in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung für viele Artikel! food in the 1980s