Question about 2001 Porsche Boxster

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Have engine codes P1411 and P0411 secondary air injection system malfunction and catlyst not ready problem, car drives fine, but no pass smog, any help would be appreciated, need emission diagram if possible please

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CHECK SECONDARY AIR PUMP SOLENOID FUSE AND VACUUM LINE TO SOLENOID.IF FUSE AND VACUUM LINE OKAY GETTING VACUUM. THE SECONDARY AIR PUMP SOLENOID OPEN OR SECONDARY AIR PUMP FAULTY.ALSO CHECK CHECK VALVES AND THE AIR LINES GOING TO EXHAUST MANIFOLD. MAKE THEY ARE NOT DAMAGED OR LOOSE.THE CHECK VALVES ON THE LINES IS ONE WAY VALVES YOU SHOULD NOT BE ABLE TO BLOW BACK INTO VALVE IF SO ITS FAULTY.

Posted on Jul 07, 2010

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Posted on Jan 02, 2017

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P0411 code fault


P0411 Secondary Air Injection System Incorrect Flow Detected

www.obd-codes.com/p0411
Detailed information on troubleshooting and repairing a P0411 DTC code which has to do with the secondary air ... OBD-II Trouble Code Technical Description.

VW Emissions Code P0411. How to fix it, Quick and Easy ...

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What does the codes mean po1296 po411 po304


The first fault code do you mean p1296 if so that is a cooling system malfunction you will need to check the temperature sensor.

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Mercedes Benz R 350, 2008 error P0411


Error Code: P0411
Description:
Secondary Air Injection (AIR) System - Incorrect Flow Detected
Indication:
Malfunction Indicator Lamp (MIL) ON.
Reasons:
Secondary air injection (AIR) pump.
Secondary air injection (AIR) valve.
Secondary air injection (AIR) hose(s).

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What does it means p2258 code for 2003 Ford Focus , Smog test Failed


P2258 Secondary Air Injection System Control A Circuit High

http://www.motorcraftservice.com/vdi...f/OBDSM505.pdf

Secondary air systems typically utilize an electric air pump as well as one or two electrically controlled check valves to deliver air into the exhaust manifold.

The only vehicle which uses secondary air is the 2.3L PZEV Focus. The Focus uses a system with ported air. This means that airflow is delivered to each individual exhaust port. The secondary air pump is energized soon after start-up while the fuel system is in open loop and icing conditions are not likely. After the O2 sensors warm up, the secondary air pump continues to be energized while the fuel system goes into closed loop fuel. The secondary air system continues to run in closed loop fuel until the air pump is de-energized. The typical time period in which the AIR pump is energized is approximately 12 seconds.

The AIR pump flow check monitors the HO2S signal at idle to determine if secondary air is being delivered into the exhaust system. The air/fuel ratio is commanded open-loop rich, the AIR pump is turned on and the time required for the HO2S signal to go lean is monitored. If the HO2S signal does not go lean within the allowable time limit, a low/no flow malfunction is indicated. (P0411)

The electric air pump draws high current and must be energized through a separate relay. Both the primary and secondary circuits are checked for opens and shorts. First, the output driver within the PCM (primary circuit) is checked for circuit continuity (P0412). This circuit energizes the relay and the vacuum-operated check and control valve(s). Next, a feedback circuit from the secondary side of the relay to the PCM is used to check secondary circuit continuity (P2257, P2258).

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1 Answer

P0411 secondary air injection incorrect flow on porsche boxster 1998


You have a code to go by & you know codes are
used to diagnose the systems with the fault

It won't go away by it's self & running fine to you
is no guarantee that it will for long or not cause damage

Get it repaired

You can use the internet to research codes & their causes

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1 Answer

I have a 2000 vw passat GLX V6 5 Speed with the error codes p1411 -p1423 how do i fix it


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P1423 = Secondary air injection system, bank 1 - insufficient flow detected.
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That's s failure of the secondary air pump. It'll have to be changed. It's an emissions component meant to help with cold start emissions. It won't cause engine running trouble but at inspection time you'll fail for smog. Change it before then and you'll be fine.

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1 Answer

I went to the emission test and I have a vw 2000 and I didnt pass couse My car has three problems and they gaved me three different codes and I dont know what they mean p1423,p0431,p1411


p1423 Secondary Air Injection Bank 1 flow too low

P0431 Warm Up Catalyst, Bank 2 Efficiency Below Threshold/Limit

P1411 Secondary air injection fault, this is related to the P1423.

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