Question about 2000 Volkswagen Beetle

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PO118 - COOLANT TEMP SENSOR HIGH INPUT. SENSOR ALREADY REPLACED.

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Then the car is overheating or the wiring to the sensor is defective.

Posted on Sep 29, 2009

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Need obd trouble codes & meanings


here r your trouble code meanings:
1) p0123-throttle position sensor circuit, high input.
2)p0117-engine coolant temperature circuit, low input.
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Jun 18, 2012 | 1997 Plymouth Breeze

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97 ford ranger code po118


If by ECS you are referring to the engine coolant temp sensor, the most common cause is that the coolant temp sensor goes bad and usually bias' towards the cold side of its sensing range which is around minus 40 degrees,(-40F). When this occurs the PCM had to over fuel to counter act the extreme cold in order to start the engine. But in normal temp areas this strategy just floods the engine. When the sensor is unplugged, the PCM substitutes the missing signal with a generic fail safe protocol which is preprogrammed. If the sensor is -40F, the vehicle just thinks its in Alaska, it doesn't know it has a bad sensor the PCM is just reacting to what the sensor is telling it. Its possible that either the wiring, or sensor connector has and open, short, or high resistance which may be the reason why replacing the sensor didn't work. Or maybe the wrong sensor was replaced, there should be two coolant temp sensors, one for the gauge, and one for the PCM. The PCM sensor is the one in question, to be honest, the PCM could be causing this as well, but at least you have a place to start.
I hope this info helps!~subyguru~

Mar 31, 2012 | Ford Cars & Trucks

2 Answers

I'm getting 3 codes on my Audi A6 po118 Coolant temp circuit high input po421 bank one warm up catalyst below thresh hold and po431 bank two warm up catalyst below thresh hold.


I have about 15 years experience with Audi/VW. The coolant issue is more like the result of the ECM coolant temp sensor failure. The Cat code might be the front oxygen sensor on that bank and not the front cat. If you need more information about this repair please fell free to contact me at answers@honestautoestimates.com, I have over 30 years of automotive experience to assist you, thanks.

Mar 05, 2010 | 2003 Audi A6

1 Answer

Troubleshooting no. po118 po705 po301 i need to


P0118 - Engine Coolant Temperture Sensor - Circuit High Input
P0301 - Cylinder 1- Misfire Detected
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P0301 - bad spark plug/wire, remove #1 cylinder plug wire inspect for oil on wire (if have oil on wire, valve cover gasket leaking, needs to be replaced) if no oil, inspect plug, replace plugs if needed.

P0705 - bad neutral safty switch (Transmission Range Switch) located on Right Side of Automantic Transmission (by shifter cable)

Feb 09, 2010 | 1998 Kia Sportage

1 Answer

Code po118


P0118 is Engine Coolant Temperature Circuit High voltage input. It could just be the sensor.

Aug 14, 2009 | 1999 Dodge Intrepid

2 Answers

Code PO118 chevy blazer 2002,after intake gasket replacement


hi john , sure sounds like you may have unplugged the coolant temp sensor or didn't get a good connection at the sensor , location , in between two exhaust ports on the side of the engine that has the oil fill and pcv .

J5

Jan 27, 2009 | 2002 Chevrolet Blazer

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