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post #1 of 14 (permalink) Old 11th August 2014 Thread Starter
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Thumbs down Diesel Engines and Supermarket Fuel

I have a 5 year old Grand Modus 1.5 dCi, and having done only 52,000 miles it would not start, and the result was that I had to have the fuel injectors replaced at a cost of over 1500. I do not think that this fault should occur at this low mileage. Renault said that there was no manufacturing fault, and that it must have been caused by bad fuel, and that I was 'unlucky'. I was told that they do not recommend you use supermarket fuel (but they do not state that anywhere in their literature). I have always used supermarket fuel and although I could prove that for the 3 months up to the problem I had used a specific supermarket diesel, the supermarkets fuel supplier refused to accept any responsibility. SO BEWARE - IF YOU USE SUPERMARKET FUEL WITH A RENAULT DIESEL ENGINE YOU COULD POTENTIALLY HAVE AN EXPENSIVE REPAIR BILL.

Admins Note : Please don't mention a specific brand while complaining, it can create a load of problems both for you & the Forum.

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Last edited by hondo; 11th August 2014 at 04:05 PM.
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Diesel Engines and Supermarket Fuel Cars & motoring Ralph 13 1714 11th August 2014 03:52 PM
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post #2 of 14 (permalink) Old 11th August 2014
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Re: Diesel Engines and Supermarket Fuel

I used little other than supermarket diesel over about 10-12 years & never had had any problem @ this time I was doing approx 15 to 18k / year.

BTW I still use supermarket fuel although now it's petrol.
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post #3 of 14 (permalink) Old 11th August 2014
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Re: Diesel Engines and Supermarket Fuel

When I first saw this thread,I thought it was going to be about people coming out with full trolleys of cooking oil .(we dont have as many supermarket filling stations here)
My fuel pump on 1.5dci was replaced under guarantee.Their theory was I might have had "bad fuel" at somestage.
Whats to stop it happening again..? dunno,I dont visit trucks at the side of the road with "get yer cheap fuel here signs"!

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post #4 of 14 (permalink) Old 11th August 2014
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Re: Diesel Engines and Supermarket Fuel

Mine runs smoother and does a few more mpg on Morrisons fuel but it tends to foam up so making it a bit difficult to brim the tank, done many thousands of mile without a problem.

Who would design a vehicle that falls over when you stop?

If you find a fix for your problem please let us know it will help others.
Ralph Nr Fleetwood NW UK.
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post #5 of 14 (permalink) Old 11th August 2014
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Re: Diesel Engines and Supermarket Fuel

i used to use supermarket fuel alot when i had my combo van it came in bottles called sunflower oil engine never run so good
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