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OBD codes


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6 replies to this topic

#1 teppichkopf

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Posted 03 July 2006 - 11:18 PM

Any idea of what needs to be checked/ replaced for codes P0113 and P0118 (Intake Air Temperature Circuit High Input / Engine Coolant Temperature Circuit High Input)?

#2 nipper

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Posted 04 July 2006 - 10:24 AM

well usually if the ecu tmep sensor is throwing a code, its bad (no gray in that area). I would replace that and see how the other reacts. It can be a cause and effect thing, not sure.

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#3 2X2KOB

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Posted 04 July 2006 - 12:42 PM

How's it running? Might reset the codes and see if they come back. I think sometimes codes pop in response to transient conditions.

#4 SaltCar

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Posted 04 July 2006 - 01:50 PM

The factory service manuals have flowcharts to diagnose from trouble codes, step by step. Professional manuals like Mitchell also have them.

Here is a link to some troublecode information but it looks like you are past the point that they might help.

http://www.troublecodes.net/Subaru/

#5 1 Lucky Texan

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Posted 04 July 2006 - 02:02 PM

do post #3, if codes come back, do post #2 cause the air flow sensor is prolly WAY more expensive than the temp sensor. Reset the ECU after any work on the system.


Carl

#6 Cougar

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Posted 05 July 2006 - 10:54 AM

Any idea of what needs to be checked/ replaced for codes P0113 and P0118 (Intake Air Temperature Circuit High Input / Engine Coolant Temperature Circuit High Input)?


The code says it is for high circuit input so I would think this means the circuit to the sensor is probably open. I would check for a disconnected connector at the sensor possibly. It may be near the MAF area.

The sensor may be bad also but this could be checked with a ohmmeter.

#7 1 Lucky Texan

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Posted 05 July 2006 - 10:59 AM

The code says it is for high circuit input so I would think this means the circuit to the sensor is probably open. I would check for a disconnected connector at the sensor possibly. It may be near the MAF area.

The sensor may be bad also but this could be checked with a ohmmeter.


Good idea, wonder if these wires share a harness somewhere that got cut/burned or a connector or ground connection?


Carl




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