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E5 or E10, Who has problems.


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AndyR was awarded the badge 'Great Content' and 20 points.

Hi all, As we all know, the start of September was the roll out of the new E10 petrol. Now according to the DVLA website, ALL Vauxhall models can use the new E10, excluding models with the 2.2 litre direct injection petrol engine, code Z22YH, Vectra, Signum, Zafira. Which should use the E5.

My Astra is a 1.6 16v petrol, and 19 years old. It was running ok to start with, but in the last week it has been quite gutless, and economy fell through the floor. Wife went out on Monday and put in £30 of E5, and it now is running sweet again, and fuel economy is back to where it used to be, which is good. 

Has anyone else found this with their vehicles? And have any owners of the afore mentioned models had any issues?

Regards Andy.  

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Hi Andy

I have been running E10 in both my Harley and Z3 as they are rated to be able to run without issues.

Also, not sure if its psychological but am sure it runs better on E10

Possibly its because you put different fuel in (e.g. from a supermarket) rather than a premium fuel supplier (BP, ESSO, etc)?


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Hi Trevor, 

The Astra seems happier on the old E5, but will see how it goes this week, as was only able to get the E10 today. And as it was quite low due to having the fuel shortage, beggars cant be choosers. 

I always believed that supermarkets got their fuel from the main suppliers, i.e., BP, Esso, and Shell, and it was just transported in the supermarkets own vehicles. Had to use Tesco today as our BP has not had any fuel for about a week. 

Glad that your Harley is ok with it, nice to know that you haven't got to spend on changing pipes and seals to keep it going, and you can get out and enjoy.

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I too remember them doing away with the old 4 star, luckily my datsun was OK with it, not needing harder valve seats like some cars had to have done. I just adjusted the carb mixture and she was good to go. 

The days where you could adjust manually,  not have a computer to do it. 

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