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19th November 2020, 04:54 | #1 |
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CDTI Auto More fuel woes
Hi, Having a fuel problem with my 2003 CDTI Auto.
About two months ago the car refused to start, i suspected the Under bonnet fuel pump, so i tapped it with a screwderiver, and bingo! the car started, it was like this for a couple of weeks, sometimes it would start, sometimes not, but a little tap on the pump always got it going. So i changed the Pump for a mid priced one and all was good again. Got up yesterday morning, the car started fine, a quarter of a tank of fuel, drove half a mile to the petrol station, filled up with Diesel, car then refused to start at the pump, called RAC. He plugged in the diagnostic, at first he said it had a high pressure fautl then changed his mind and said a low pressure fault. He then checked fuses and power to under bonnet pump which were all ok, he said the under bonnet pump was hot! So...a tow in to my local garage, they fit a new, but cheep and very noisey under bonnet pump. They phone me to collect the car, the car now starts fine, but drives abismal, no power, and it wont rev above about 2300 RPM. They are a little stumped, i did mention to them the other, in tank pump. With the fuel filler cap off, i think it can just be heard but its very quiet. The in tank pump was changed around 4 years ago. I would be very gratefull for any pointers. Thanks. |
19th November 2020, 07:15 | #2 |
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I would buy a pump from Rimmer brothers, far too many bad quality ones out there at the moment.
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19th November 2020, 09:22 | #3 |
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Some of the new pumps come with clear plastic protectors over the open pipe ends. If one is left on it can jam in the fuel hose and partially block it causing the faults you are experiencing.
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19th November 2020, 09:38 | #4 |
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R75 Saloon. Join Date: Feb 2009
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I see that you've been on the forum 2 years now and this is your first post. OK up to now then ??
Have you had a look through the---How-To--- section. Lots of posts in there about both fuel pumps. Problems and cures.-- |
19th November 2020, 10:50 | #5 |
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Thanks, i guess its probably either a very poor quality replacment fuel pump, or the mechanic who fitted it has partially blocked the flow by leaving the protective cap on, this seems unlikely.
Though it dosent explain why the pump i purchased from DMGR only lasted 8 weeks and according to the RAC man was getting very hot, perhaps the fuel filter is blocked. Thanks anyway. |
19th November 2020, 11:54 | #6 |
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Could be a partial blockage as the flow of fuel through the pump is what keeps it cool.--
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21st November 2020, 21:47 | #7 | ||
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Quote:
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Arctic Givology Learn to Give Everything is Achievable ad altiora tendo. Check out our Nano meet dates http://www.midlandsnanomeets.co.uk/ http://www.the75andztclub.co.uk/index.php?thepage=howto " You do the work , we supply the expertise " |
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13th December 2020, 03:01 | #8 | |
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Quote:
Had a problem with a thermostat supplied by them, they replaced it, but i had to pay for it to be fitted, Have spent a lot with them to be fair these are the only two failures. |
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25th November 2020, 21:35 | #9 |
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I am afraid I did not fair well when I bought an under bonnet fuel pump from Rimmer’s. Well Over £100.00. It was kept in my boot for around 8 years as a spare. When I fitted it at one our Nano meets at Four Ashes, because the original one had become noisy, I thought that the clips used on the rubber pipes, top and bottom, were not tight enough because there was diesel on the bottom of the pump. Tried three or four times to stop it leaking. Steve (Artic) tried to get the clips tight, but there was still diesel on the bottom of the pump. He said it seems as though the casing was leaking at the bottom of the pump. I think it was Sewerman who stepped in with a cheap underbonnet pump, and I fitted that. No diesel on the bottom of the pump, and is still in use now. Not quite so quiet as the original, but it works. Could not send the one back as it was well out of warranty.
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23rd November 2020, 15:32 | #10 |
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Nip across to see big russ, I doubt the in tank pump will cause issue, I ran for over a year with a dead one and never lost any power.
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