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Don't know which the garage changed - will have to check. Turns out the problem was caused by the car overheating - a tiny leak in the radiator resulting in gradual loss of coolant. Garage found it when they kept and ran the car for a couple of days. Oddly enough the car used to smoke like...

Hi Fahad This problem is very different to the EGR problem we had - with the EGR there was a general loss of power, and the engine would rev - albeit not as well as usual. With this it is as if there is no connection between the accelerator and the engine. Obvious candidates are the TPS...

Our 55-reg i-CTDI doesn't seem to like the summer! Last year it had loads of problems with power which turned out to be the EGR valve. It now has an intermittent fault where the throttle becomes ineffective and the engine just ticks over and doesn't respond to movement of the accelerator...

I need a replacement 20A fuse for the heated rear screen - its a funny square job (not a blade fuse) - can enyone let me know what they are called? I ordered one off ebay which looked about right but it wasn't! Thanks Steve

Hi guys - time to wind up this thread with a resolution - it was the EGR valve. Replaced it with a £30 job off ebay and now all is cured! The reason we didn't get there earlier is because the existing EGR valve passed the HDS test a number of times without issue. It wasn't until an...

Hi Fahad Thanks for all your help - this one had everyone scratching their heads. Honda would have had me spending £1,200 +VAT and fitting for catalysts, plus £££ for injector refurbs / replacement (I think they charge about £400 each) ..... and still no guarantee they would have identified...

Well, the car is fixed now. Short answer is that it was the EGR valve. Long answer: Garage had inspected the catalytic converters as diagnosed by Honda - that wasn't the problem. Injectors went away for a refurb - one was below spec, but OK. Refurbed and installed - no problem. Garage...

Injectors won't be back until Monday, so I have another weekend in the garage's "dream machine" loan car (a "T"-reg Renault Clio .....) When Honda looked at the car they seemed to think that it was over-boosting (actual MAP exceeded the required MAP), yet the car is producing black smoke which...

I have got to the stage where nothing would surprise me! I will let you know what happens next. Called the garage today but the main man was off sick ..... so I may be in their loaner for a few more days yet.

Well it seems like it probably isn't the injectors - they have been checked and although one has an incipient fault (which will, of course, cost £££ to fix) it isn't something which would have caused the symptoms on my car. Injectors should come back in the next day or two then we are off again...

Hi Tomas Thanks for the input. The frequency solenoid valve has been replaced, the EGR has been cleaned and tested OK and the car has Fahad's "EGR Off" remap so it probably isn't any of those things. I'm still not convinced that it isn't the turbo, but the people who one pays to know about...

Hi Fahad I don't have a view on what it is - I have given up trying to second-guess. Honda didn't think it was the turbo, the local garage don't think it is the turbo, Honda suggested injectors as the next port of call if it wasn't the cat. If i recall my conversation with him correctly, the...

Latest news is that it isn't the catalyst - that has been removed and there is no improvement. The injectors are coming out now and being sent away for testing and possible refurb (££££) and until they come back (maybe not until next week) I am in the garage's delightful loaner. There are...

Hi - couldn't find a member called Tomas. Any clues? Thanks

Hi Ebod Thanks for that. Do they need to be checked out by a Bosch injection place or can they be done elsewhere? My local garage has suggested that it is unlikely to be the injectors as the engine starts first time and is very smooth, and Honda didn't suggest this as the first port of call...

Thanks for the comments guys. Knocking out the catalysts was intended as a precursor to replacing them (ie make sure that the cats are the cause before spending the money on replacements. If I understood the guy at the Honda garage correctly he said that the real-time diagnostics were showing...

I have a long-running saga with my 2005 Accord iCTDI tourer. It is currently massively down on power and smokes hugely under acceleration (put your foot down and you can't see following traffic, even under moderate acceleration it leaves a black stripe on the road). Independent garages were...

Interesting thought - I will see if I can find it and have a play. Not quite sure how it would produce the symptoms but no harm in looking!

Thanks for the ideas guys. IMRC valve has been changed for a new one and checked out OK when the diagnostics were last run. I thought maybe the throttle position sensor - I cleaned the contacts and had a squirt round with contact cleaner but it hasn't helped. It is an expensive component to...

Latest update on my car: Turbo is now working fine and the car is back to its old self in that regard. Whether it was the turbo taking a week or two to free up after it was de-coked, the install of the replacement solenoid or the ECU taking a while to "re-learn" or a combination of all three I...