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[bob.dent]

Also.... Tesco 5p off stuff will put the lamp on without fail!

I put either Shell V Power, BP Ultimate, or either BP or Shell regular unleaded in now and the lamp hasn't come on for about 10 tankfulls (However, the codes P0420 (Bank1) or P0430 (Bank2) still get logged occasionally, just not built up enough to light the lamp)

HTH

I must admit I do tend to fill up with Sainsbury's normal unleaded or occasionally super unleaded. I've used BP Ultimate and Shell V Power a few times but it's become so blo*dy expensive, but I'll probably treat it to a tankful of BP Ultimate on my trip to Devon at the weekend.

[VXL V6]

I think the problem is that once the lamp is on it will take 20 starts without the fault codes appearing before the lamp goes out... so by switching to branded fuel you may stop the codes being generated but won't know about it for a week!!!!

Hopefully TB / MDTM can clarify the above.
Also, I would get the codes read again so we can see if it's definately the same as SP's and mine.

Incidently, how far does yours go on a tankful and under what sort of driving (MWay etc?) ?

[TheBoy]

Bob - I fear you may need to know the code - there are 4 sensors, 2 per bank, so Bank1 O2 could be pre or post cat...

[VXL V6]

Bob - I fear you may need to know the code - there are 4 sensors, 2 per bank, so Bank1 O2 could be pre or post cat...

Agree with that, depending on the diagnostic tool you get different interpretations Sykes gives something like O2 B1S2 P0420 (or whatever the code happens to be)

Be interested to know if the code is the same.

[SP_3.2]

I have the same prob i have a 3.2 also as yourself and VXL, mine has just put on the light over the weekend i have found that this has happen when i have changed from V-power OR when runing low on petrol. So far the light has gone out after 20 or so clean starts and also sticking to V-power.

Hope it goes out before the weekend as i have the MOT then.

  

[bob.dent]

I think the problem is that once the lamp is on it will take 20 starts without the fault codes appearing before the lamp goes out... so by switching to branded fuel you may stop the codes being generated but won't know about it for a week!!!!

Hopefully TB / MDTM can clarify the above.
Also, I would get the codes read again so we can see if it's definately the same as SP's and mine.

Incidently, how far does yours go on a tankful and under what sort of driving (MWay etc?) ?

Light went out during the diagnostic check ans so far hasn't come back on.

I just about manage about 300 miles on a tank, maybe a touch more on long motorway runs. MID currently showing average consumption of 22.5mpg. Driving harder decreases that somewhat.

[bob.dent]

Bob - I fear you may need to know the code - there are 4 sensors, 2 per bank, so Bank1 O2 could be pre or post cat...

Short of coming over to Brackley, I'll have to get it read at a VX dealer as there's no one in this area with a Tech2.

[Kevin Wood]

Could always get a cheapo Tech2.

It reads my 3.2 OK once I've found a laptop it will run on, and it probably won't set you back any more than a session at a main dealer.

Kevin