V-Power and Check Engine Light
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V-Power and Check Engine Light
the last time i used V-Power was on the 26th September, on the jounrney back the CEL came on.
The car itself was running fine but i booked it into the dealer who ran the tests and said it was reporting "catalyst below threshold", they cleared the fault and said there was no damage and it was probably just bad fuel.
So put it down to experience, bad batch of fuel happens, no problem.
Since then I have only been using Tesco 99, have the choice between that and V-Power and just kept with Tesco as everything running fine.
However on a longish run today, 100 miles, I called off at a Shell station (not the same one) and filled up with V-Power again.
Guess what, after about 50 miles the CEL comes on again , again no other symptons, cars running fine.
So going to have to send it back to the deale to look at, bet it comes back wtih the same fault (and another £50 lighter).
Anyone else had a similar experience, looks like I will be avoiding V-Power for good now, and sticking with Tesco.
Have sent a really snotty email to Shell but not hopefuly they will do anything though.
Rich
The car itself was running fine but i booked it into the dealer who ran the tests and said it was reporting "catalyst below threshold", they cleared the fault and said there was no damage and it was probably just bad fuel.
So put it down to experience, bad batch of fuel happens, no problem.
Since then I have only been using Tesco 99, have the choice between that and V-Power and just kept with Tesco as everything running fine.
However on a longish run today, 100 miles, I called off at a Shell station (not the same one) and filled up with V-Power again.
Guess what, after about 50 miles the CEL comes on again , again no other symptons, cars running fine.
So going to have to send it back to the deale to look at, bet it comes back wtih the same fault (and another £50 lighter).
Anyone else had a similar experience, looks like I will be avoiding V-Power for good now, and sticking with Tesco.
Have sent a really snotty email to Shell but not hopefuly they will do anything though.
Rich
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But yourself a cheap obd fault finder off eBay, or find a local member with one (plenty about) and turn the light out.
Has the car been remapped? I'm guessing its not liking the lower RON rating for some reason, or a chemical additive is causing a sensor to trigger...
Has the car been remapped? I'm guessing its not liking the lower RON rating for some reason, or a chemical additive is causing a sensor to trigger...
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I got one of these, works perfectly and will clear codes for you
http://www.ebay.co.uk/itm/ELM327-Cab...item27ccf0e42e
http://www.ebay.co.uk/itm/ELM327-Cab...item27ccf0e42e
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Fuel RON won't cause a P0420 Catalyst Below Threshold error.
Are you driving it differently after filling with Shell because you had a problem before ?? The catalyst monitoring only runs at specific drive styles, so if you drive gently with the V power then the monitoring starts and detects a low catalyst efficiency. Whereas wth the Tesco you drive it a little harder and the monitor never runs.
Are you driving it differently after filling with Shell because you had a problem before ?? The catalyst monitoring only runs at specific drive styles, so if you drive gently with the V power then the monitoring starts and detects a low catalyst efficiency. Whereas wth the Tesco you drive it a little harder and the monitor never runs.
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I got one of these, works perfectly and will clear codes for you
http://www.ebay.co.uk/itm/ELM327-Cab...item27ccf0e42e
http://www.ebay.co.uk/itm/ELM327-Cab...item27ccf0e42e
#7
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Fuel RON won't cause a P0420 Catalyst Below Threshold error.
Are you driving it differently after filling with Shell because you had a problem before ?? The catalyst monitoring only runs at specific drive styles, so if you drive gently with the V power then the monitoring starts and detects a low catalyst efficiency. Whereas wth the Tesco you drive it a little harder and the monitor never runs.
Are you driving it differently after filling with Shell because you had a problem before ?? The catalyst monitoring only runs at specific drive styles, so if you drive gently with the V power then the monitoring starts and detects a low catalyst efficiency. Whereas wth the Tesco you drive it a little harder and the monitor never runs.
Thanks for the responses guys.
Rich
Last edited by RikTee; 21 November 2012 at 07:59 PM.
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Took it to the dealer this morning, as thought, exactly the same fault code and diagnosis.
Then took a trip to Gloucester, without filling up so used the rest of that tank, after 170 miles CEL comes back on again .
Got back and filled up with Tesco, gonna get the light cleared tomorrow then run it for a while on just Tesco and then try some V-Power and see it comes back again.
Still waiting to hear back from Shell
Rich
Then took a trip to Gloucester, without filling up so used the rest of that tank, after 170 miles CEL comes back on again .
Got back and filled up with Tesco, gonna get the light cleared tomorrow then run it for a while on just Tesco and then try some V-Power and see it comes back again.
Still waiting to hear back from Shell
Rich
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Appreciate that, think the point i'm trying to make with Shell here is that they have either put something in V-Power which has started triggering this error code or they are runiing sub standard fuel (i.e not 99 RON).
Don't get the problem with any other fuel (i,e Tesco 99)
Cheers
Rich
Don't get the problem with any other fuel (i,e Tesco 99)
Cheers
Rich
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