What to do about DPF warning light on Mazda CX7?

What to do about DPF warning light on Mazda CX7?

Try disconnecting the battery for half an hour. That will clear the codes. Hopeful it won’t return. 6 people found this helpful. I too own a CX7 and the DPF warning light is flashing. i’ve had it inspected by my local mazda dealer and we have been told the timing chain is stretched and out of tolerance.

Why is the DPF light flashing on my Mazda?

The DPF light flashes on the Mazda when the ECU (Engine Control Unit) registers that the DPF (Diesel Particulate Filter) is beginning to block. The DPF is a filter located in the exhaust system and is used to filter out soot particles from the exhaust gasses.

What should I do if my DPF light goes off?

The cheapest way is to service the car somewhere else and attend official Mazda dealership afterwards to reset the DPF light. Servicing the car per se, after the DPF flashing has gone off, will not eliminate flashing. They will charge you £85 for plugging your car to their machine.

What causes a Mazda CX7 2.2d DPF to die?

Press the accelerator to the floor and release 2 times. Remove the wire from the 2 pin plug and replace dust cap. when the oil pick up is blocked and kills your engine. This is a nice new one. This happens when the oil gets polluted from bad diesel when cleaning the DPF. It can also happen if you use the wrong engine oil.

Try disconnecting the battery for half an hour. That will clear the codes. Hopeful it won’t return. 6 people found this helpful. I too own a CX7 and the DPF warning light is flashing. i’ve had it inspected by my local mazda dealer and we have been told the timing chain is stretched and out of tolerance.

What does a flashing Mazda DPF light mean?

A flashing light means that the engine oil has become contaminated with diesel fuel and should have the oil changed urgently. What Mazda don’t tell you is that oil contaminated by fuel can cause a diesel “runaway” which will wreck the engine.

Can you drive a Mazda with a flashing light?

So far as I’m aware, on Mazda diesels a continuous light means the DPF needs to regenerate and should be driven at more than 2000RPM for twenty minutes or more. A flashing light means that the engine oil has become contaminated with diesel fuel and should have the oil changed urgently.

Press the accelerator to the floor and release 2 times. Remove the wire from the 2 pin plug and replace dust cap. when the oil pick up is blocked and kills your engine. This is a nice new one. This happens when the oil gets polluted from bad diesel when cleaning the DPF. It can also happen if you use the wrong engine oil.