Fiat Grande Punto 1.2 8v 2006 - Rough running at idle from cold, code P0115 - Fixed #
Posted by Carl Ford on February 4, 2011, 9:15 pm
Message modified by board administrator February 9, 2011, 12:38 pm
Year of Manufacture *: 2006 Engine Size and Code *: 1.2 8v ( Optional ) Scanner Used: Verus and Autodiagnos ( Optional) Fault Codes: P0115 coolant temp sensor
Car came in with rough running from cold code read vehicle and p0115 came up but as it was not playing up by the time I got the car as it was still fairly warm I decided to call the customer and explain what was coming up and explained I would not be happy fitting the sensor not seeing the fault with the car although I did think it was very likely to be the temp sensor (WRONG) he agreed to leave the car overnight for me to look at in the morning. In the morning I struck up vehicle and it would not idle or run very well as i looked at coolant temp in live data it was at 56f which i thought was ok so then started looking at the rest of the data and to my surprise air temp was at 156f so my first though was that my scanner must be at fault so grabbed autodiagnos to get same results so unplugged map sensor to make sure wiring was ok which it was after air temp now read -22f so i changed map sensor all was fine customer called in today to say both mornings he has had the vehicle back it has struck up fine. Regards Carl p.s sorry for long post but even if i got same fault in again i would use this same method to diagnose this fault as next time it could be temp sensor
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