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XC90 '02–'15 General Forum for the P2-platform XC90 model |
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Injector cleaning D5 185Views : 1053 Replies : 7Users Viewing This Thread : |
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Jun 13th, 2018, 09:33 | #1 |
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Location: Hull
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Injector cleaning D5 185
I'm looking to find out if there's a way to make a closed loop fuel system to flush the injectors on my car. I wish to run neat Liqui Moly Diesel purge through the injectors to give them a thorough clean.
I did this on a previous XC90 163bhp with amazing results but the fuel system is different on the 185. I'm not interested in cleaners you add to your fuel or filling the filter housing with neat fluid as it just gets diluted down to beyond anything even remotely beneficial in my opinion. The closed loop I used before was definitely the way to go but not sure it's possible on the 185 due to it relying on a stronger fuel pump at the rear of the car as opposed to the 163bhp which would just suck the fuel out of a jar in the engine compartment. |
Jun 13th, 2018, 10:20 | #2 |
2008 XC90 D5 SE
Last Online: Mar 28th, 2022 20:27
Join Date: Nov 2015
Location: Formby
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I understand this has been tried and it was a No.
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Jun 15th, 2018, 11:58 | #3 |
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Last Online: Sep 18th, 2023 22:04
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Location: Manchester
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I too have been wondering about how to do this.
I've not done it, but was wondering why no-one has suggested waiting til the tank is virtually dry, adding the moly into the diesel tank then and running it til it stops? The concentration of cleaner would be greatest this way and no fancy interruptions of the fuel lines would be needed. As far as I'm aware the car will restart after a few turns of the key as the pumps prime the system don't they? I've read that you should probably change the fuel filter after cleaning? Not an expert by the way and am expecting to hear that this would be a bad idea for some reason? |
Jun 15th, 2018, 15:16 | #4 |
2008 XC90 D5 SE
Last Online: Mar 28th, 2022 20:27
Join Date: Nov 2015
Location: Formby
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Who said it hasn't been suggested ? There are plenty of posts about doing it this way. The OP said he didn't want to do it via dilution method, and there will be some dilution adding 5ltrs to the tank, even it was run as low as you dare.
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Jun 15th, 2018, 17:38 | #5 | |
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Last Online: Sep 18th, 2023 22:04
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Quote:
If not, why do people bother interrupting the fuel supply on the 163 version as my suggestion is easier to do? |
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Jun 15th, 2018, 21:15 | #6 | |
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Last Online: Dec 26th, 2021 13:42
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Location: Crewe
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Quote:
2. It keeps the strong detergent effect out of the tank. You don't want to unsettle possible tank sediment and clog the in tank pump and fuel filter. 3. The engine bay loop means you can effectively clean your injectors and HP pump with a tenth of the quantity.
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2002 S60 SE D5 Manual 209000 miles |
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Jun 16th, 2018, 01:12 | #7 | |
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Last Online: Sep 18th, 2023 22:04
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Quote:
When the alternative that is suggested to do so is impossible with the 185 engine compare to what can be done to the 163? |
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Jun 16th, 2018, 11:24 | #8 | |
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Last Online: Dec 26th, 2021 13:42
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Location: Crewe
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Quote:
Nothing is impossible and if I had a Euro 4, I'm certain that I'd work out a way.
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2002 S60 SE D5 Manual 209000 miles |
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