2007 BMW 3 Series 328i "p0491" Questions

P0491 code What is part of the secondary air system is affected by this code P0491? bank 1 is the side of the number 1 cylinder ---you didnt specify vehicle but this is a generic code and the ...

what does the code #P0491? IT SHOWS OEM? ANY IDEAS WHAT IT IS. P0491 Secondary Air System (Bank 1)

light engine p0491 P0491 - Secondary Air Injection System Insufficient Flow Bank 1 Possible causes - Intake leak - Damaged AIR system components - Faulty AIR Solenoid Valve - Faulty AIR system relay

My 2007 bmw 328i coupe is flashing codes p143e and p143 and p0491 what do they mean? Ok the p143 or 143e code is 02 censors ! Located on the exhaust pipe . And on BMW Is got to cost some $$$$.the ...

P0491 code for 2005 chrysler sebring... I need help in trying to figure it out with out a mechanic...talked to a few and said it would be costly to even just look for what could be wrong...Any help ...

I have a code P0491 coming up on my 2004 Dodge Stratis, this is a secondary fuel injection system and don't know wear to start to correct this. P0491 Secondary Air Injection System (Bank 1) This code ...

problems with codes P0491,P0410 How to fix? HOW TO FIX  ... FORD FOCUS 04 P0491 A code P0410 may mean that one or more of the following has happened: ... P0412, P0418 · 2000 Ford Ranger ...

2009 Ford Fusion SE 2.3L error codes P0491 and P0410. What are these and what steps do I need to take to fix them. Is there any diagrams or can someone specifically tell me the steps and places to ...

...can check out these, Secondary Air Injection Systems on German Vehicles E39) 2001 BMW 525i Resolve P0491/P0492 for less than $2.00 in approx 15min. How to Fix and Diagnose BMW P0491 P0492 Secondary ...

check engine light is on and mechanic diagnostic code p0491 & p0492,, no performance issue with the car, it can wait to be fixed? it will have to be fixed or it wont pass inspection the big brain