Thanks. Check the Mazda EPC online for correct part numbers, you will see the periods on vin numbers. mazdaepc dot com or smtg like that. You will need your vin number as well, because of the modifications. Hope it helps. Also you can buy a cheap obd reader with usb connection, because it's need for the calibration. Lets start with the sweet. The Mazda 6 Sport Tourer is the best looking estate car out there, my opinion of course. It is also a dream to drive, the handling is great the diesel engine has great Hi everyone. I had the same problem with my 2004 Mazda 6 diesel. Stalling when idling, worse in cold weather. Also I noticed in cold weather it would idle around 750 revs per minute-before this problem it would always rev at just under 1000 revs per minute. So far this year we have had four Mazda 6 Skyacctiv Diesels with low oil pressure problems in our workshop and each car had to have a full engine rebuild. Each customer I spoke to told me the same thing, they got no where with Mazda and and they eventually came to a decision that the engine failure was the customers fault and not a design fault. Check with your Mazda dealer, as these instructions may vary between different 2.0, 2.3, and 2.5 Mazda engine sizes. If the crank sensor fails on your Mazda, your car will refuse to start intermittently. Related Problems. Fuel Pump. If your Mazda is not starting, it is possible that the fuel pump has failed or is not generating enough pressure. The warrant offered by Mazda covers such issues with the vehicle, so users of the 2010-2015 Mazda 3 didn’t have to make any additional repair expenses for fixing the clutch system. 6. Structural Problems. Many users reported that the rear door of the Mazda 3 vehicle expands due to high temperatures which affect the vehicle’s body. Problems: -After a long travel he stopped the car, and some minutes later he can't start the car. Some minutes later the car starts, but the windows and air cond. not worked. -On the way home, the engine weakened, only can go with 90-100 Km/h, then some minutes later stalled. Symptoms the same, plus the radio just light up, but didn't turn on. 1 answer. Fuel is metered to the injectors based on a signal from the Engine coolant sensor. When the sensor goes bad usually the engine is slow to start. turn off and it start as normal. A cold engine signal will cause a rich supply causing smoking and misfire when the engine is at operating temperature. Piston Slap. Another potential cause of a rattling engine noise in your Mazda 6 is piston slap. Piston slap typically occurs as a result of wear on the piston and the cylinder walls, causing the piston to move side-to-side and making contact with the cylinder wall. Piston slap is more commonly seen in vehicles with higher mileage. Transmission Fluid Change: Between $80 and $250. Clutch Replacement: Depending on the model, a full clutch replacement can range from $500 to $1,500, including parts and labor. Gear Synchronizer Replacement: This repair can be costly, ranging from $500 to $2,000, depending on the complexity. hrXUCI.