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ENGINE MANAGEMENT LIGHT FOR PRE-HEATER AND INJECTION FAULT COMES ON DURING 60-100 MILE JOURNEY. MAY BE A COINCIDENCE BUT HAPPENS WITH A/C ON. AFTER STOPPING FOR A WHILE SEEMS TO BE OK? RECENTLY IT CAME ON AGAIN WITH LOSS OF POWER WHEN OVERTAKING ON A HILL.

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This clearly incates that your fuel filter is block renew it on every 10000km`s

Posted on Jul 21, 2009

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Posted on Jan 02, 2017

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Hi i have honda accord 2009 diesel have dpf problem. Now replaced by honda but dpf check system light comes after few hundred miles. Nothing comes in their dignoistic machine plus out side temperature...


I don't know much about the diesel particulate filter system yet other than what I have read.

All the articles on the subject I have seen so far indicate the trigger for starting the automatic DPF cleaning cycle is excessive exhaust back-pressure. When the pressure sensor in the exhaust detects excessive pressure the engine management values are changed to make the exhaust very hot and a special solvent from an on-board reservoir is forced into the system and the cleaning process of the DPF is underway.

The articles suggest topping up the reservoir of special solvent is a routine service item. Anecdotal evidence suggest neither the cleaning process or the topping up are automatic or routine but rather another way for dealers to rip-off customers.

When the cleaning process no longer restores minimal back-pressure the DPF must then be replaced at what anecdotal evidence is a very high cost.
I could be wrong but I suspect before the engine management system recognises excessive back-pressure to be a problem and record it as a fault it would have to record a certain number of instances in a certain time-frame and if that criteria isn't being met there will be no faults stored.
Certainly this is a case for an obd recorder to be fitted to your car to record the live data which can be analysed by the dealer later.

I speculate the pressure sensor, wiring or connectors might be faulty or inaccurate or you really do have a back-pressure problem, either because the DPF they fitted is faulty or of poor quality, the work is of poor quality or because there is something wrong with the rest of the exhaust system.

Personally, because I have experienced back-pressure problems increasing during a journey being caused by exhaust silencer boxes I would start by removing everything rear of the DPF and give each part a shake and compare the weight with a new one of the same type.
Just my opinion you understand.

I would need to refer to a wiring diagram and an overview of the engine management system to form an opinion whether the exterior temperature indicator is a coincidence or is linked.

Good luck!

Feb 04, 2015 | 2009 Honda Accord

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Nissan Terrano Diesel 55 plate engine management light comes on 10 mins after first journey and sounds like a diesel knock although does not seem to effect performance and there is no excessive smoke.


Probably you might face a problem on the injection pump with the Advance or retar positioning,and I believe that is controlled by the vehicle ECU. The Diesel Knocking you receive should be this fault.

Nov 02, 2013 | 2005 Nissan Terrano 2.7

1 Answer

Glow plug light comes on then engine cuts out


i have had this before but i cannot remember what i done to cure it ,its a common fault on VWs as well ,its not the heater plug relay box thats at fault but something else and i honestly cannot remember what i done to cure it ,the light comes on because its lack of fuel if i remember correctly ,common rail injection system and something happens that shuts it down and i have done this fault but i cannot remember ,i seem to recall a problem with the fuses and a bad connection or high resistance across a fuse where the connection pins not the fuse were making poor contact but iam not entirely sure as old age means i have old timers desease big time

Sep 29, 2011 | 2000 Ford Focus

1 Answer

Service engine soon


Hi .
Your service engine soon is telling you you have a problem with the fuel injection system .
The management system has pick up a fault within the system that needs to be diagnosed, this is done with an OBDII diagnostic tool that most local Shops have and of cause your dealer .
Small example.

---------------------------------------------------------
Check engine light comes on when the engine management system has detected a problem with the emission system.(fuel injection).

When the light comes on the ECM will store a code or codes in its memory for the testing technician to retrieve and decode,

After decoding he will be able to see what problems you are having with the fuel injection system.

He
]9 will retrieve codes like P0300 or P1304 (example)

Code P0300 is a random misfire, from this he will see where and what he will have to diagnose .

If you are having a misfire then to long driving like this could cause catalytic converter damage ,

If you have a simple problem like a knock sensor then you could drive around with out to much problem.

Hope this has answered you question .
Kind regards Indy



Aug 16, 2010 | Dodge Caravan Cars & Trucks

1 Answer

Peugeot expert 1.9 diesel van 2005 non turbo/ engine wiring fault


If the engine management light is on you should get it plugged in to a diagnostic tool.Also check the wiring with an ohm meter .

Mar 03, 2010 | 2005 Peugeot 405

3 Answers

Will engine management light come on if camshaft sensor has gone only my kia sedona has gone in to limp mode without any lights


IF THE CRANK SENSER HAS FAILED THE THE CAR WANT START AT ALL.Get a diagnosic check done at your local garage to find the problem.Good luck.

Sep 15, 2009 | 2002 Kia Sedona

1 Answer

02 Boxster headlights wont turn on


the light fault sound like the switch itself, the clicking heard will be the relay once a good connection is made at the switch. If the engine management light has come on it will have an emmisions related fault and will need further attention, this is not related to the service schedule

Aug 31, 2009 | 2001 Porsche Boxster

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