Serious miss

Talk about the E-Type Series 3

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Bernie2015
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#1 Serious miss

Post by Bernie2015 » Wed Apr 24, 2019 9:14 am

I let my wife out in my V12 the other day!! Bad move - she put petrol in (super unleaded she said) and shortly after it started playing up. She got the car home but it doesn't sound well ie missing very badly. Pulled the plugs and the right 6 are completely black - left 6 blackish with carbon but not nearly as bad (see photo of one of the right hand side ones ).Its been filled to a much higher level than I normally put in and I wondered if anyone had experienced this before? Is it possible some muck in the fuel tank has gone into the carbs or did she put diesel in? Would it even run on diesel? Any help gratefully appreciated.

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Bernie 1966 S1 OTS

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Heuer
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#2 Re: Serious miss

Post by Heuer » Wed Apr 24, 2019 9:17 am

Yes, a petrol car will run (poorly) on diesel especially if there was fuel already in the tank. Suggest you drain the tank and flush out with petrol and see how you get on.
David Jones
S1 OTS OSB; S1 FHC ODB

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Bernie2015
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#3 Re: Serious miss

Post by Bernie2015 » Wed Apr 24, 2019 9:19 am

Thanks David is there instruction on the site anywhere about how to drain the tank?
Bernie 1966 S1 OTS

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baganz.sven@web.de
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#4 Re: Serious miss

Post by baganz.sven@web.de » Wed Apr 24, 2019 9:48 am

Hello Bernie,
very easy. there is a drain plug(screw) in the sump of your tank. Just look under your car, left side rear end under the tank. There you can completely drain your tank.
Best regards
Sven
Sven
'71 S3 coupe LHD manual

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cactusman
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#5 Re: Serious miss

Post by cactusman » Wed Apr 24, 2019 9:58 am

You might be wise to pay a company to drain the tank as if it is full you will then have a large volume of yuk but highly flammable liquid to dispose of. Most domestic waste facilities do not accept fuel. Bona fide companies will take away old fuel. If you are a member of the AA or RAC I think they have a miss fuel drain service too...
Julian the E-type man
1962 FHC
1966 MGB....fab little car too

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Bernie2015
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#6 Re: Serious miss

Post by Bernie2015 » Wed Apr 24, 2019 10:00 am

Great idea - thanks Julian
Bernie 1966 S1 OTS

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Ole-xke1974
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#7 Re: Serious miss

Post by Ole-xke1974 » Wed Apr 24, 2019 10:27 am

Or if you have an old banger, you can slowly use what ever you drain from the E in that. :?:
However not if it's a diesel. :wow:
1974 SIII E-Type w. XJ S2 4sp w. O/D

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christopher storey
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#8 Re: Serious miss

Post by christopher storey » Wed Apr 24, 2019 1:02 pm

If it has been filled with diesel then you would expect considerable knocking as its anti-knock qualities are minimal . In addition, if you can get to touch some of the fuel ( syphon a small amount out ) diesel feels very slippery when rubbed between the fingers, and the smell is unmistakable . Are you sure the choke has not stuck on ?

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Adamski
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#9 Re: Serious miss

Post by Adamski » Wed Apr 24, 2019 1:18 pm

Surely the receipt will say what was purchased, diesel is the most expensive as well. Too much speculation here. How much fuel was added as well.
I'm wondering if perhaps it was just a contaminated batch of basic unleaded and the car has been set up for premium unleaded although it shouldn't be that bad?? Most unlikely to be diesel, it would run like a tractor. Wondering if the ignition is at fault and not delivering a powerful enough spark?
You could syphon the fuel into cans or even use the fuel pumps to pump into cans and try a new batch of fuel on a good run. Using the drain plug will really gush out and cause potential dangerous spillage. Car needs to be elevated to capture into containers.
Adam
S3 V12 E Type FHC Manual 1972-owned since 1978

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madjack4
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#10 Re: Serious miss

Post by madjack4 » Wed Apr 24, 2019 9:04 pm

Hi remove fuel pipe at engine put into a 5 ltr fuel container get someone to switch on ignition for a short time to pump a small amount into container pour a small amount onto floor leave it for an hour if its pure petrol it will evaporate completely if it has diesel in tank it will not evaporate it will stay oily on floor
Regards

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Series1 Stu
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#11 Re: Serious miss

Post by Series1 Stu » Wed Apr 24, 2019 10:13 pm

Or you could do it onto a piece of cardboard and avoid the stain on the floor....
Stuart

If you can't make it work, make it complicated!

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Bernie2015
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#12 Re: Serious miss

Post by Bernie2015 » Thu Apr 25, 2019 8:33 am

Thanks all turns out its not diesel so I need to think again
Bernie 1966 S1 OTS

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