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Question: 96 ford contour check engine codes po117 and po118 are showing

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Visitor, 2.0L 4 Cylinder, Lisbon, OH, April 06, 2010, 15:04

i have a 96 ford contour that the electric fan wont work on and the temp gauge goes instantly to hott but the car isnt over heating i currently have fan directly wired on all the time and been driving every day. Where is pcm located on this car could it be bad. the electric fan only works when temp sensor above thermostat is unplugged
check engine codes po117 and po118 are showing but all sensors have been changed

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    mastertech6371 April 06, 2010, 15:24
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     Master

    the sensor you unplugged is the coolant temp sensor. it tels the ecm what the temp of the engine is so it knows how to regulate the fuel. by unplugging it you showed the computer a temp of about 300 degrees and it is trying to cool down the motor by turning on the fan. there is something wrong with the fan controls and you need to have someone check it out.

    Roy

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    randy1358, April 06, 2010, 16:12
     Rookie

    is that why the car is sputtering when acclerating from stop. and why would the temp gauge go all the way to hott when starting the car even when the motor is cool and when coolant temp sensor is plugged in. could the pcm be bad. i have been led towards that being the problem cuz even when the ac is turned on the fan dont start like its suppose to also

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    mastertech6371, April 06, 2010, 16:24
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     Master

    you coudl still have a cooling system issue. the temp sensor for the guage is separate from the coolant sensor. the sputtering could be from a missfire in one of the cylinders or possibly water getting into the combustion chamber . get it checked before there is some major damage.

    Roy

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    randy1358, April 07, 2010, 13:48
     Rookie

    i have changed the head gasket and have done a compression test on each cylinder and they are all good on compression specifications. my friend is a mechanic and has helped me do all this we have just been out of luck figuring out this fan issue. i have checked oil for antifreeze there is none and i have pressure tested the cooling system and its fine. i am beginning to think its something electrical causing the fan not to work.

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  • Answer #2

    GOODWRENCH MR August 09, 2012, 18:05
     Rookie

    PCM LOCATED BEHIND GLOVE BOX ALSO CHECK RELAYS SOUNDS LIKE ELECTRICAL PROBLEM SHORT!!! MAYBE! DID YOU CHANGE THE COOLANT TEMP SENSOR YET B4 YOU HOOKED FAN DIRECT THEY GO BAD ON ALOT OF DIFFERENT CAR MAKES?

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