Question about Hyundai Santa Fe

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PO118 code. Know it is something to do with coolent sensor, should it be replaced?

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  • jonm321 Sep 28, 2008

    i have a97civic with same code but real hard to start

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HI
you should not to be replaced?before testing!!!
the most cause is:-
1-coolant thermostat
2-wiring open circuit \short to positive
3-earth wire defective
4-(ECT)sensor
test and ask me for more information
WITH MY BEST WISHES

Posted on Jul 20, 2008

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Posted on Jan 02, 2017

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What is Diagnostic code PO306 and PO118


Code 306 is a miss on cylinder 6, and code 118 is for a short to ground for the coolant temp sensor.
Once the sensor is replaced or the problem fixed, you would need to clear the code with a scanner. Same thing for code 306.

May 28, 2013 | Cars & Trucks

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Getting engine code po118


Code 118 is for a problem with the engine temp sensor.
The computer is getting a high voltage reading when it should not be.
Usually the problem is a faulty sensor but it would need to be tested.

Jan 31, 2013 | 1999 GMC Sonoma

1 Answer

1998 buick park avenue code po118


Code 118 is for the coolant temp sensor out of range and code 108 is for the map sensor out of range.
Could be faulty sensors but I would think it is a wiring problem since two sensors seldom fail at the same time.

Aug 17, 2012 | Buick Park Avenue Cars & Trucks

1 Answer

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

1 Answer

Changing the coolant sensor


THIS PART IS CALLED ECT ENGINE COOLANT TEMP SENSOR IT DOSN;T CONTROL THE GAUGE IN SIDE THE CAR BUT IT TELLS THE COMPUTER HOW HOT THE ENGINE IS SO TO CONTROL OTHER FUCTIONS ITS EASY TO REPLACE DO IT WHEN ENGINE IS NOT HOT BEST WAY LOCATE FRONT ENGINE NAER RADIATOR HOSE TOP ENGINE ITS BRASS 2 WIRE CONNECTOR FIND A DEEP SOCKET THAT FITS TAKE OUT BUT HAVE NEW ONE ON HAND YOU WILL LOSE A LITTLE COOLENT ALSO MAKE SURE THE NEW UNIT HAS A SELANT ON THERADS ITS USELY RED IF IT DOSE;T IT WILL LEAK BUT YOU CAN BUY AT THE PARTS STORE SO CHECK AT THE STORE THEN JUST SCREW IT IN DON;T OVER THIGHTON THATS WHAT THE SEALENT IS FOR THE CODE SHOULD BEPO117 OR PO118

Oct 11, 2010 | 1998 Dodge Grand Caravan

1 Answer

Troubleshooting no. po118 po705 po301 i need to


P0118 - Engine Coolant Temperture Sensor - Circuit High Input
P0301 - Cylinder 1- Misfire Detected
P0705 - Transmission Range Sensor Switch Circuit Malfuction (PRNDL Input)

P0118 - Replace Engine coolant Temperture sensoe located by thermostat housing (upper ragiator hose connects to) sensor is 1 where wire loom lays nect to valve cover.

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

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