Forums Forums Enthusiast Forums A - Z Autowirral Best place for a remap ?

My EGR is playing up a bit. I've tried the EGR cleaner spray, which didn't work, so I blanked it off.

But someone recommended Forte Turbo Cleaner , which is supposed to clear the EGR too.

And you know what, it works. The hesitation I was experiencing has all but gone and the car is driving far smoother.

As for the "£20 tool", it was Galletto I was thinking of.

Ive never been a fan of fuel additives to clean things like the EGR - my main concern is how do they get the cleaner from the fuel system to the intake system?

The only way they can do it is by making sure that the additive hasnt been fully burned up in the combustion cycle so when the exhaust gasses pass the valve it still has some cleaning properties.

IMO the best, and cheapest way to clean them is to remove them, soak them in petrol and then clean them with an old tooth brush. This way you can see exactly what has been cleaned and you can get them spotless.

The reason for them failing is that they soot up, this means the dirt either stops the valve from seating correctly, or the dirt stop the valve from sliding in its guide. If the valve sticks open you get a boost leak, which means overfueling (black smoke), loss of performance and poor economy.

Hesitation is more of an injector symptom, and Id suggest that the diesel cleaner sorted that, rather than fixing an EGR issue

I know what you mean but that's precisely how the EOLYS additive works on Peugeot to clean the DPF.

And the EGR valve on them is right at the back of the engine, a massive job of taking off the wipers, plastic windscreen scuttle and lots of other things before you can get to it.

I see hesitation issues a lot on the Pug forums, mainly on the 110bhp 1.6 in the 307 and 407, and its almost always down to the EGR. If its not that its the MAF, but never injectors.

Thankfully on the BMWs, the EGR is on the front of the inlet manifold at the front of the engine, and very easy to remove

I cant really comment on the Peugeot system (and I dont want to stray too far off topic) which uses this extra additive, but I was always under the impression the ECU ran a different injector cycle so as not to burn all the fuel and the additive in the combustion chamber and instead burn it in the hot CAT / DPF to burn the soot. Not being a chemist I dont understand how this chemically works, but it may be due to a late injector pulse which the Peugeot ECU allows for. If the ECU doesnt make that allowance, then normal combustion takes place hence why it may only work on cars designed to run this method for DPF cleaning.

Ive run fuel cleaners through all my BMWs - mainly for injector cleaning, and Ive still had to clean the EGR manually, that is until I found they could be removed and mapped out