BigJimnyMeet (North) 2024 (12 Jan 2024)
14th July 2024
Parkwood Nr. Leeds
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Re:Emissions warning light
- Max Headroom
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IF IT AINT BROKE, KEEP FIXING IT UNTIL IT IS
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Scimike wrote: There is nothing wrong with Tesco's petrol as it originates from a refinery just like the rest of the petrol you find. What can differ is the additive packs for cleaner combustion, octane etc, this is added per customer when the tanker is filled, but the source fuel is all the same. Currently I believe Tesco sell BP plus blend or BS standard fuel with out additives.
But Kirknut has a good point in that your fuel my be a possible cause if the vehicle has been standing for a long time. If you have not drained the tank any fuel will have " gone off ", so fresh fuel and a good run may clear the eml. Try a brand fuel or one that promotes a clean engine for the first run.
There's a lot of people who have experienced problems with Tesco fuel and I've had this argument several times. Cleaning agents or lack of will not put the light on. There is an issue with Supermarket fuel.
Just because it comes from the same refinery, doesn't mean it's not cheap stuff that refinery is selling to the retailer as cheap budget crap.
Thorney Motorsport used Tescos 99 until they performed long term tests and found issues. They did post their findings but took them down through fear of legal action. They walked away from a sponsorship deal out of a sense or responsibility. If that's not telling enough I don't know what is.
Explain why the eml lit up on two of my cars due to Tesco fuel and never came on again once that fuel was gone!
Kirkynut
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Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!
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- Don76
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I have purchased a code reader for next time, because it’s not if, it’s when
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I worked at an fuel distribution point and each tanker got filled from the same tank, additive packs added per customer, hence some of the extra cost. Texaco and some supermarkets used this distribution point, we maintained the control system.
Currently Tesco sell BP momentum 99 and regular unleaded, well they did when I filled up today.
I can't tell you why your EML light went off with other brands, all I know is how fuel is distributed and that my EML remains off even though I exclusively use supermarket supplied fuels in all my vehicles.
If problems exist it's more likely to be how it is stored once it has been delivered to the individual Petrol station. I have no doubt you have had problems, but it's a big claim to say issues exist with supermarket supplied fuel.
Anyhow each to their own
Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
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- Don76
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I am showing code P0031 HO2S heater control circuit Low Bank 1 Sensor 1.
Is this the sensor on the exhaust manifold?
Thanks
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