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[welsh_cossack]

HI Everyone
I am having a problem with my 3.2 V6, Evertime I go round a corner and put my foot down on the gas the engine dies
as soon as it is straight the power comes back on, the emmisions light has been on for a while, but I think it is a dirty sensor
it happened before and I took it to my local vauxhall dealer and they tried to part me with £800 for new cat's. but when i took it to my local garage they fixed it by cleaning the sensor.
The MOT is up at the end of the month and i am going to have a service at the same time, but anybody knows what is wrong
before i take her in, much appr'd
I have my own theory she wants to go back to germany on the autobahn very few curves last time i was there!!!!

[symes]

leak in vac-pipes? can effect solenoids on multi-rams also when you turn steering pump working puts strain on engine as running lean(air leak from vacs)

[Lazydocker]

Let's go back to basics here... Look in the maintenance section for the Pedal Trick and read the codes, then post them back here

[noel]

Let's go back to basics here... Look in the maintenance section for the Pedal Trick and read the codes, then post them back here

+1 read the codes first

[Elite_L0ver]

Let's go back to basics here... Look in the maintenance section for the Pedal Trick and read the codes, then post them back here

+1 read the codes first

[welsh_cossack]

Thanks for the help so far
I tried the pedal trick and i think these are the codes
0420
0433

[Elite_L0ver]

Thanks for the help so far
I tried the pedal trick and i think these are the codes
0420
0433

http://www.omegaowners.com/forum/YaBB.pl?num=1280689743/0 fir 0420

http://www.omegaowners.com/forum/YaBB.pl?num=1265229425/0 for the 0433

looks like somthing with the cat bank and fuelling problem can you smell fuel in the car 

[welsh_cossack]

No smell of fuel or emmisions in car

[Elite_L0ver]

No smell of fuel or emmisions in car

have a read of my last post does any of it coincide with your problems

[Kevin Wood]

Thanks for the help so far
I tried the pedal trick and i think these are the codes
0420

"Catalyst System Efficiency Below Threshold (Bank 1) ". Nothing to worry about in the context of the problem you currently have. All 3.2s eventually start throwing that code.

0433

Don't recognise that one. Can you double check?

Might be worth checking for loose wiring, especially around the lambda sensors if they have been disturbed recently. Thinking they may be shorting against the exhaust on corners?

But it would be good to get the codes confirmed.

[HockeyDave55]

Agree, check connectors.... Also the condition of the wires...