P0491 Secondary Air Injection System Insufficient Flow (bank 1)

First check your secondary. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. P0491 CHRYSLER Secondary Air Injection System Insufficient Flow Bank 1. Possible cause of fault - Electrical fault in power supply or line between relay and secondary air injection pump - Secondary air injection pump relay mechanically faulty - Mechanical fault in electrical secondary air valve. P0491 - SECONDARY AIR INJECTION AIR SYSTEM INSUFFICIENT FLOW BANK 1 Secondary air injection trademarked as Air Injection Reactor is a process where fresh air is injected into the exhaust system to allow for a fuller combustion of exhaust gasses. P0492 Secondary Air Injection System Bank 2 - Insufficient Flow. P0491 - Secondary Air Injection System.

P0491 CHRYSLER Secondary Air Injection System Insufficient Flow Bank 1.

This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Malfunction Indicator Light MIL active. The currently selected ODB-ii codes is for the Porsche makes. P0491 CHRYSLER Secondary Air Injection System Insufficient Flow Bank 1. These OBD-II DTC codes came up.

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P0491 secondary air injection system insufficient flow (bank 1). The code I got is P0421. SAIR pump low or now air flow. Mass Air Flow MAF A Circuit Range Performance - Air Flow Too Low.

Mass or Volume Air Flow A Circuit P00BC Code. These OBD-II DTC codes came up. OBD II fault code P0491 is a generic code that is defined by some manufacturers as Secondary Air injection AIR system Bank 1 Malfunction but sometimes also as Secondary Air Injection System Insufficient Flow Bank 1 by others.

P0491 - Secondary Air Injection System. Secondary air injection system insufficient flow bank 1. Enter the 5 character trouble codes in the search box and submit the search.

I scanned the car and saw P0491 - Secondary Air Injection System Insufficient Flow Bank 1. First check your secondary. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

P0491 BMW code description The AIR system refers to an emissions control system. The Powertrain Control Module PCM grounds the Air pump relay control. P0491 is a diagnostic trouble code DTC for Secondary Air Injection System Insufficient Flow Bank 1.

P0491 CHRYSLER Secondary Air Injection System Insufficient Flow Bank 1. P0491 JEEP Secondary Air Injection System Insufficient Flow Bank 1. First we verified the air injection.

Explanation is damaged air system components. The currently selected ODB-ii codes is for the Porsche makes.

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Explanation is damaged air system components.

Mass or Volume Air Flow A Circuit P00BC Code. Explanation is damaged air system components. SAIR pump low or now air flow. The possible causes are. P0491 JEEP Secondary Air Injection System Insufficient Flow Bank 1. Mass or Volume Air Flow A Circuit P00BC Code. P0491 BMW code description The AIR system refers to an emissions control system. Audi A1Audi A3Audi A1Audi A3Audi A1Audi A3Audi A4Audi A5Audi Q3Audi A5Audi Q5Audi A3Audi A4Audi A5Audi TTAudi Q3Audi Q5Audi S3Audi TTSAudi RS 3Audi TT RSAudi A7Audi Q7Audi A8Audi. Catalyst efficiency low-bank 1.

Technical Background Under certain driving conditions the secondary air ports in the cylinder head can accumulate carbon over time causing a restriction. HosesPiping between Secondary Air Injection Pump and Combi Secondary Air Injection Valve leaking. Mass or Volume Air Flow A Circuit P00BC Code. Page 1 of 11. Explanation is damaged air system components. The Powertrain Control Module PCM grounds the Air pump relay control. Vehicles start on a comparatively rich mixture to allow for smoother running conditions.