Here’s how to do a Freightliner truck DEF warning light reset: Park your truck in a safe place and turn off the engine. Remove the key from the ignition. Press and hold the reset button on the dash for 5 seconds. Start the engine and check if the light is still on. If it is, repeat steps 3-4 until the light goes off.
Step 3: Fit in the reverse order. Reset the level display to zero; Refilling using the Delphi diagnostic bench, reset the fill level display to zero. Step 4: Select the vehicle as shown in the illustration. Test conditions. Key on, engine stopped. All electrical consumers disconnected. Battery voltage greater than 12 V. Additive reservoir I think it is VERY poor to have this dual use of the DPF light made even worse by no mention of it in the owners manual. It would be far better in this oil dilution situation to flash a different light, how about the oil warning light, and state clearly in the manual what the flashing means.
Answer. Unfortunately on the Mazda Cx3 if the flashing light of the dpf comes on, one or more injectors may need to be replaced. There seems to have been a recall on this, so if you have this warning light on, go to a Mazda repair shop and ask for this recall. By means of the chassis number they can understand if your car falls within the

Oil Reset Procedure for Mazda 3 for the year 2003 through 2020. 1. Press And Hold The TRIP BUTTON With The Ignition Switched Off, Then Switch It On (Accessory Mode) . 2. Keep Pressing The Selector For More Than 5 Seconds. 3. The Master Warning Light Will Flash For A Few Seconds When The Reset Is Completed.

How to reset DPF after cleaning process. 1. Switch ignition to “ ON ” position. (engine off) 2. Connect the pin in the red circle (in the pic below) to earth (chassis). 3. Press the accelerator to the floor and release 2 times. NB The glow plug light flashes 2 times when resetting is complete. 4. quick video on how to reset service lights on both mazda bt50 and also ford ranger all models which have the service reminders should work Mazda CX3 DPF problem was created by Loney911. Hi. I have Mazda CX3 1.5L diesel. One defective injector is replace and calibrated injectors. DPF is Cleaned using Diagnostic tool. It take nearly 1hrs to complete the process. After cleaning that heavy smoke get normal and no faults are shown, but after few mins again heavy smoke is came. Appears the 2.2D version of the Mazda 3 has some issues with dpf which I wasn’t aware of. A quick breakdown: Dpf light came on flashing. Mazda performed review, code P243C. Performed oil change and put light out. 6 weeks later, light back on, same code. Phoned Mazda and long story short they said they can’t fit it in for 3 weeks but said it ViIyIwe.
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