Reply With QuoteDiesel particulate filter?
Have you checked your owners manual?
Might be time to call Mazda, remember you have warranty.
mazda 3 DPF
i have light on today what is that for??? anyone with diesel. ??
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Diesel particulate filter?
Have you checked your owners manual?
Might be time to call Mazda, remember you have warranty.
saw owners manual its bloody 3 months old and problem start to show up, ill call them mazda .
MZR-CD Diesel Engine
Mazda’s Advanced Common-Rail Turbo Diesel Engine (MZR-CD)
The MZR-CD 2.0 litre turbo diesel outputs 105kW of power at 3,500 rpm and 360 Nm of torque at just 2,000 rpm This top-grade Mazda engine is designed to appeal to those looking for sporty driving enjoyment with low fuel consumption.
The engine’s variable-geometry turbocharger provides high maximum output and torque across a wide range of engine speeds. In fact, most of the engine’s high torque is available as low as 1,500 rpm, ensuring quick and powerful engine response to accelerator pedal input. Strong, linear acceleration and smooth engine operation is delivered by its high-pressure common-rail technology.
Sporty and refined, it uses just 5.9 litres (Mazda6) 6.0 litres (Mazda3) of fuel per 100 km (combined). It realizes this via six-hole injectors, for optimal fuel atomization; by electronically controlling injection volume, frequency and timing (up to 1800 bar , up to 6 injections per cycle ), and by employing a low compression ratio of 16.7 : 1. The result is a sporty driving experience and comfortable motorway cruising, without high fuel costs.
The engine also comes standard with Mazda’s maintenance- free, diesel particulate filter system that lowers particulate matter emissions to almost nothing and ensures Euro Stage IV compliance and low operating costs. The engine is coupled to a precise and smooth-shifting, six-speed manual transmission based on the one found in the high- performance MPS series. An especially good match to the MZR-CD 2.0 turbo diesel’s power and high torque, this gearbox contributes much to the sporty nature of this engine.
The MZR-CD 2.0 litre turbo diesel employs high pressure common-rail injection technology, which is smooth running and refined,
• Sporty MZR-CD 2.0 common-rail turbo-diesel engine with maximum power of 105 kW at 3,500 rpm, maximum torque of 360 Nm at 2,000 rpm
• Euro Stage IV compliant with maintenance-free diesel particulate filter system
• Low fuel consumption of just 5.9 litres (Mazda6) and 6.0 litres (Mazda3) per 100 km (combined)
• Six speed manual transmission based on high-performance flagship MPS series
Advanced common-rail fuel injection
The MZR-CD engine’s common-rail fuel injection system injects fuel at an ultra-high pressure of 1,800 bar (180 MPa, 26,100 psi). The required fuel for injection is accumulated under a pressure of up to 180 MPa in the common-rail. Fuel injection volume, frequency and timing are optimised by electronic control based on throttle opening and engine speed data.
Fuel atomisation is excellent, and fuel is injected in precise quantities in immediate response to running conditions. This substantially improves the engine’s combustion efficiency, to boost power and dramatically reduce NOx and particulate emissions.
Relatively low combustion ratio
The MZR-CD’s low compression ratio (16.7 to 1) allows low-temperature pilot premixed combustion, also reducing soot and NOx emissions.
Fuel is injected into each combustion chamber before the piston reaches top dead centre, promoting combustion efficiency while minimising production of particulate matter or black soot. In addition, the lower combustion temperature helps to minimise NOx.
To enable optimal control of the air/fuel ratio, a high response intake shutter valve and a valve to control the recirculation rate from the exhaust gas recirculation (ERG) cooler are located on the intake side of the engine. Residual oxygen in the exhaust gases is monitored by an O2 sensor and this information is utilised by a 32-bit powertrain control module to optimise the fuel/air ratio, continuously optimising the mix and suppressing NOx.
A cataylised diesel particulate filter reduces black smoke emissions to virtually zero by capturing particulate matter in a ceramic filter. When a specific quality of particulate matter is trapped it is automatically burnt off, allowing the filter to return to its original efficiency.
The particulate filter enables the MZR-CD engine to cut its soot emissions to 80 per cent below the Euro Stage IV emission standard.
The relatively low compression ratio also reduces pumping loss and promotes thermal efficiency. Typically a low compression ratio means inferior thermal efficiency under low-load conditions, but this is offset by a combination of high fuel injection pressure and the frequency and timing of the multi-stage injections.
These attributes combine with the tall gear ratios of the Diesel’s six-speed manual gearbox to produce not only 360Nm of torque but impressive fuel economy numbers.
Variable Geometry Turbocharger
The engine also features a variable-geometry turbocharger that has a lower inertia moment and features a short distance between the exhaust gas inlet and the centre of the turbine shaft.
A variable-geometry turbocharger helps maximise torque over the widest range of engine speeds. The Mazda3’s VGT is an update of earlier designs with the size of the turbine reduced to lower the inertia moment by 14 per cent. In addition the ratio between the cross sectional area of the narrowest part of the VGT’s exhaust gas inlet and the distance from the centre of that area to the centre of the turbine shaft has been reduced, producing smoother acceleration, a 10 per cent power jump, a 10 per cent improvement in maximum torque and better fuel economy.
The variable-geometry turbocharger is combined with the engine’s high pressure common-rail fuel injection system, with optimised injection volume and multi-stage injection of up to nine times per cycle, and a relatively low compression ratio, all of which improve output and torque, repress combustion noise and reduce emissions.
High torque, low NVH
The new turbocharged 2.0-litre MZR-CD engine has been developed to deliver high torque while minimising NVH.
Multi-stage injection, which is performed up to nine times per cycle, prevents overly rapid pressure increase in the cylinders, suppressing diesel knock and other combustion noise.
When the engine is idling the intake shutter valve restricts air intake volume to reduce cylinder pressure by about 25 per cent and suppresses idle knock, while the low compression ratio limits engine speed fluctuations and significantly lowers vibration.
Six speed manual shared with MPS models
The diesel engine mates to the same three-shaft gearbox first used in the MPS series.
To handle the engine’s high torque and to ensure smooth gear changing, first, second and third gears feature triple cone synchronisers, fourth gear has a double cone synchroniser and fifth and sixth gears have a single cone synchroniser.
Ahhh i see the problem it starts here,
The engine also comes standard with Mazda’s maintenance- free, diesel particulate filter system.
and here,
A cataylised diesel particulate filter reduces black smoke emissions to virtually zero by capturing particulate matter in a ceramic filter. When a specific quality of particulate matter is trapped it is automatically burnt off, allowing the filter to return to its original efficiency.
Key words are "mantainance free" and "allowing the filter to return to its original efficiency".
Seriously though id be taking it back.
Remember its a new technology.
When it came out Mazda did have problems with it on other vehicles.
But your answer might be here.
Read it and laugh
global88's second link is an eye opener.... needs a longer dipstick, less oil, ECU reset, 3 litres of diesel drained from the sump... Mazda's DPF looks a bit suss!!!!
called mazda, car need to be checked on Monday will see what the prob is.
This may have absolutely nothing to do with it but I was hearing reports of diesel shortages here in Melbourne on Thursday from memory.
Two things perhaps due to the shortage the tank in the servo you fill up from was near empty and you got the crap on the bottom of the tank or less lightly there was a problem with a batch of diesel which is perhaps why there was or is a shortage.
pick up my car they reset computer all ok now.
Did you ask them what caused the ecu to need resetting?
I have a feeling they did something more and are keeping it to themselves.
refer to last link in post 4.
After reading that forum there is no way I would buy one except to drive long commuting distances.
Originally Posted by global88
what i got from mazda on my invoice reprogrammed PCM
After chipping the car with DP-31
Before 105kw(143hp), 360Nm
After 124kw(166hp), 405Nm
Im surprised to see the factory "up" your power output.
If you had this done as an aftermarket conversion they would void your warranty.
Oh well, they did it, just hang onto the recipt incase anything else goes wrong.
You could always pull it out and throw it at them if any of your driveline has a problem in the future.
no i didn't maybe later...
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