When I purchased this car it had 2500 km and I got 41 MPG Imperial or 7 L per 100 KM. I was very happy and it stayed this way for about 2 years then I noticed the mileage drop into the 34 MPG imperial or 8.1 L per 100 KM. I also noticed that on very hot days my mileage improved and the engine idled so smooth you could not tell is was running. I had it diagnosed at my Ford dealer and nothing showed up. Talking to mechanics I changed the EGR valve, then the thermostat, then the AIT module as well as plugs and coils. None of this helped. I wrote to Ford to ask how many engine temperature sending units were on this vehicle that could cause this situation and they had no idea and would not replay to one of the letters. I ordered a new coolant temperature sensor and have it but have not installed it due to cash constraints. Just today I mentioned it to another quality shop and they were familiar with this problem on Ford and some other brands. Runs great on a hot day of 30 C and at about 27 id idles rough and drops in economy but the power stays the same.
have the same problem?
Tuesday, July 28th, 2015 AT 1:33 PM