Questions & Answers for: 745i p0491 p0492

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

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

...too lean (Bank 1) p0171, Secondary air injection (Bank 1&2) p0491 & p0492, Warm up catalyst efficiency (Bank 1) p0421 & Engine coolant temp circuit high input p0118. it can be the ...

...Po491 and Po492 secondary air injection system bank 1 and 2 respectively? P0491 Secondary Air Injection System (Bank 1) P0492 Secondary Air Injection System (Bank 2) Good luck for you! OBD2 code ...

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

...p0491 and code p0492 these refer to the secondary air intake system , insufficient flow . this could be an electrical fault or a component such as the relay , solenoid etc, follow this link for more ...

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 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 ...

How hard is it to change a smog pump on a 2006 Saturn ion? smog pump ? There is no such thing . What size engine does your ION have ? 2.0 , 2.2 ,2.4 L Has secondary air injection system . 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 Air / Vacuum Leak E36 E46 E39 ...