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Discussion Starter · #1 ·
Hi All

Long time since I posted on here. I have an issue that I hope somebody may be able to help with? I have a 2012 idtec 2.2. Had a light collision last week with a grass verge thanks to a bumblebee flying into my face at 50mph馃槅.
I managed to damage the intercooler which resulted in a loud hissing noise when putting my foot down. I knew it needed replacing but hadn't got the readies at the time and as I had no loss of power I carried on driving as its my daily commute vehicle.

On Tuesday, I was driving as normal but started to notice some slight stuttering when feathering the accelerator. Few miles later DPF warning light comes on and loss of power. I nursed it back home and bought a new intercooler (used part). Fitted today, hissing gone and seems all good but still loss of power with DPF light still on.

My daily commute is mostly A roads and a bit of motorway. I constantly drive at around 70mph and know to give it some revs in order to keep DPF clean and prompt regular regeneration.

I'm stumped. Is it likely a result of driving with a leaking intercooler or is it just random coincidence? Mate is coming with a diagnostic reader tomorrow so hopefully can get it reset.

Any experience out there with this? TIA
 

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Pure guess but logically I would imagine either a coincidence or more likely the Engine Management System triggering a false DPF problem.

A DPF problem would seem unlikely given the history of useage..

Keep your fingers crossed.
 

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Discussion Starter · #3 ·
Pure guess but logically I would imagine either a coincidence or more likely the Engine Management System triggering a false DPF problem.

A DPF problem would seem unlikely given the history of useage..

Keep your fingers crossed.
It's odd as the usual EML is not lit up. Not sure if it should or not? I'm not really 100% sure if I'm in limp mode or something is restricted? If I put my foot down, seems to struggle to get beyond 2000rpm.
 

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It's odd as the usual EML is not lit up. Not sure if it should or not? I'm not really 100% sure if I'm in limp mode or something is restricted? If I put my foot down, seems to struggle to get beyond 2000rpm.
Obviously the first thing is to get the intercooler replaced or repaired.
 

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Discussion Starter · #6 ·
Well, diagnostic tool unable to do any form of dpf regeneration although it did tell me that it is not blocked and the particulate matter value is 41 grams. Also tells me that it is around 190 miles since last regeneration. I'm stumped
 

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Good news that the DPF is not blocked. There is nothing complicated about intercoolers but I'm afraid I don't have a solution for you as regards why you should be exeriencing limp mode I'm surprised that one of the really knowledgeable people on this forum has not come up with a suggestion.
 

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Discussion Starter · #8 ·
Thanks. I did wonder about turbo issues. Strange that it seems like it's in limp mode but the engine management light isn't on, just the dpf warning message. I can't get the heatshield off to have a look either as the sensor seems to prevent it being lifted off. Need to find the removal socket for it. Doing my head in with Limited funds.
 

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Discussion Starter · #10 ·
Free thing to try is a prolonged battery disconnect to reset some of the systems, might help or might not but it's free (y)
Yep, tried that! Disconnected for around 15 hours to no avail unfortunately. I've just spoken with honda locally and they say they can do a forced regeneration for 拢134, unfortunately not for another 7 days though 馃槙

Another local dpf specialist are offering a full diagnostic and cleaning service for 拢299. Torn now as to what to go for. I'm getting a new car early September but dependant on this one until then.
 

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That's a shame :(

I think I'd be considering the more expensive option TBH but IF the Honda forced regen works that would be great - I wonder if any here have experience of a Honda dealer forced regen?
 

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Yep, tried that! Disconnected for around 15 hours to no avail unfortunately. I've just spoken with honda locally and they say they can do a forced regeneration for 拢134, unfortunately not for another 7 days though 馃槙

Another local dpf specialist are offering a full diagnostic and cleaning service for 拢299. Torn now as to what to go for. I'm getting a new car early September but dependant on this one until then.
You might as well get it done if you think there is a good chance of that being the problem becase it would be easier to sell. . Turbo did cross my mind because that can be a cause of diesels going into limp mode but there is no connection other than running it with a damaged intercooler. Interesting about the Honda forced regeneration and the local cost of cleaning it.
 

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Discussion Starter · #13 ·
Think I'm going to go for the full clean for some peace of mind. Only needs to keep me travelling until mid September but at least when I pass it on I can show the work that has been done on the dpf.
 

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Discussion Starter · #16 ·
Big sigh 馃槙. Car went in for DPF clean, got a phonecall half way through - we have a problem!
The DPF clean cannot be completed as there is an error with the active shutter grill, we can't fix it 馃檮.

So, I collected the car, stripped off the bumper and found the culprit part, sure enough, the motor has failed. Now I cannot for the life of me find a second hand spare anywhere so looks like I'll be calling honda tomorrow to see what extortionate quote they will give me.
Feel like giving up with it at the moment 馃槙
 
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