Check that the engine light stays on. Slow to respond to gear changes; Common Problems. The Fiat 500 is known to experience gearbox problems such as difficulty shifting gears, grinding noises when shifting, slipping out of gear, and warning lights appearing on the dashboard. Use FIXD to clear your check engine light. Go for a test drive and see if the check engine light turns back on. STEP 2: CHECK EGR TEMPERATURE SENSOR. Use your car’s service manual to locate and check the vehicle’s EGR temperature sensor for any carbon buildup that may interfere with its readings. STEP 3: CHECK HOSES AND WIRING. How to reset Fiat Ducato, Citroen Relay & Peugeot Boxer Service light 2002-2007Also Know as Citroen Jumper in Europe.Check Euro Car parts for cheap parts - h Faringdon, Oxfordshire UK. Jun 25, 2016. #5. Think carefully about when the warning comes on. Most likely when more than one set of lights are being asked to illuminate, such as braking when the sidelights are already on. Checking each light individually will often show no problems, but if either light unit has a bad earth connection, when more What does the check engine light of your Ducato mean? In a few words: It’s a warning light that alerts the driver about any type of engine problems. In some vehicles, the light comes in two colors: yellow to indicate minor problems and red to indicate serious problems. Fiat Check Engine Light Flashing On and Off. If your Fiat check engine light is flashing, the onboard diagnostics system (OBD) has detected an engine misfire. In other words, one or more cylinders are not working properly. It is not recommended to drive your Fiat if the check engine light is flashing. The most common way a canbus system will check if a bulb is working or not is to measure the resistance on the circuit. Some vehicles measure the total circuit resistance, others check individual bulbs. But they are checking for the characteristics of a normal filament bulb. One of the core selling points of an LED bulb is the lower power draw. Also in my book it says if engine management light is flashing; its a warning that the catalyser can be damaged. ( iirc this is usually as a result to the fuel not being burnt off fully before entering the exhaust system - again possible due to ignition system spark plugs, leads, coil pack) if it solid light; Uo2Lel.