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25th May 2010, 13:50 | #1 |
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Do I swap my MAF...hmmm.
I have black soot on the back of the car, sometimes a light film forms even up as far as the number plate. It's easy to clean off, but I guess it is a sign of overfuelling. I ave around low 30's and best ever was 42 mpg on a long run.. Sooo -- Question is ---
Should I fit the Pierberg MAF I have, or do I stick with the existing Bosh one? Assuming that I decide to fit it, what exactly is involved please? *Note:- I am currently running with a Synergy2 set on number 6 and have no complaints re the cars performance... * ... Last edited by James.uk; 25th May 2010 at 15:11.. |
25th May 2010, 14:13 | #2 |
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If you do decide to swap it over James, it's a direct swap. The only possible problem will be the two security screws which hold the MAF sensor in place. They are 5-pointed TORX bolts with the pin in the centre. If you don't have the correct tool they can usually be removed with a decent pair of mole grips or pliars gripping the periphery.
Last edited by Raistlin; 25th May 2010 at 19:10.. |
25th May 2010, 15:08 | #3 |
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James,
Yes I also get low 30s, and I have changed MAF etc with no difference to mpg. I found running a hacksaw blade through the middle of the screws and using a screwdriver was quite easy and then replacing with pozi self tappers quite easy. Are you sure the injectors are ok? Does the smoke start getting less after a high rev motorway burn in 3rd? Matt |
25th May 2010, 15:17 | #4 |
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Hi Paul. I have a set of Torx thanks, the Citroen has a lot of torx screws in it, getting the incentive to use em is my problem! lol..
Hi Matt. Not sure but I expect the injectors are well worn at 150k, but the car starts easily and runs well, so is it worth spending £400 + on them?? I am very heavy footed, so doubt the cars getting sooted up. I do give it a mex tune up fairly often as well.. Hmmm, just done a check on the amount of fuel used during last weeks holiday in Dorset. (brim to brim) 80 litres used to cover 810 miles = 46 mpg... That's the best so far, but Scribbler drove it quite a lot in and around Poole, and he's a very steady driver. ... Last edited by James.uk; 25th May 2010 at 15:30.. |
25th May 2010, 16:14 | #5 |
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Hi James,
I changed my Bosch Maf for one of these. The difference since has been very good, no smoke, the stutter I got around 2000 revs has totally gone and the car is now running the best it has ever done since I have owned her! obviously it is early days but I'm well pleased. I had the car re-mapped 3 years ago which made a great difference to the torque and, of course, the performance. With this in mind, that was why I stuck with the Bosch one, although bit scared of the EBay one's as I had read of a few problems with some of them.
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25th May 2010, 16:15 | #6 | |
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Russ
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25th May 2010, 16:23 | #7 | |
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If you want to change the maf send me a pm with your address and I will loan you mine, if you like.
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25th May 2010, 16:43 | #8 | |
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Halfords do stock a cheap set of security ones though. |
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25th May 2010, 16:46 | #9 | |
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Couldn't think what the "TS" stood for, but you have cleared that up for me.
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25th May 2010, 17:28 | #10 |
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Thanks for the kind offer Rammie but I will get the screws out one way or another.
Well I know where the MAF plug is that I plugged the Synergy into, but where does the MAF itself live? And how do I access it? ... |
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