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[Marks DTM Calib]

so would the SWITCHOVER SOLENOID VALVE being broken or whatever cause the car to have random missfire when up at speed  ??

and i will have to have a look in the morning i cant see anything outside lol but will let you know..

and would this be what i need ??   http://cgi.ebay.co.uk/VAUXHALL-OPEL-OMEGA-VECTRA-SWITCHOVER-SOLENOID-VALVE_W0QQitemZ170264511099QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item27a48e427b


and just a thankyou to everyone for the help im getting

When was the fuel filter last changed?

[deejaywardy]

so would the SWITCHOVER SOLENOID VALVE being broken or whatever cause the car to have random missfire when up at speed  ??

and i will have to have a look in the morning i cant see anything outside lol but will let you know..

and would this be what i need ??   http://cgi.ebay.co.uk/VAUXHALL-OPEL-OMEGA-VECTRA-SWITCHOVER-SOLENOID-VALVE_W0QQitemZ170264511099QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item27a48e427b


and just a thankyou to everyone for the help im getting

When was the fuel filter last changed?

im not to sure i have only had the car a month ,, well what happens is normally at about 70+ mph or hardish acceleration the car starts to missfire and lose power and will continue to missfire till the car is pulled over switched off but when started again it will run fine untill up at speed again or hardish acceleration :S ??

[Marks DTM Calib]

Seen that before with a clogged fuel filter.....due to the miss fire the ecu shuts 1 or 2 cylinders down to protect the cats....this gets reset on a re-start

[deejaywardy]

Seen that before with a clogged fuel filter.....due to the miss fire the ecu shuts 1 or 2 cylinders down to protect the cats....this gets reset on a re-start

well i shall get a new fuel filter aswell ,, my car also runs on auto gas if that makes any difference ??

[Marks DTM Calib]

Seen that before with a clogged fuel filter.....due to the miss fire the ecu shuts 1 or 2 cylinders down to protect the cats....this gets reset on a re-start

well i shall get a new fuel filter aswell ,, my car also runs on auto gas if that makes any difference ??

Does it do this on gas, petrol or both?

[deejaywardy]

Seen that before with a clogged fuel filter.....due to the miss fire the ecu shuts 1 or 2 cylinders down to protect the cats....this gets reset on a re-start

well i shall get a new fuel filter aswell ,, my car also runs on auto gas if that makes any difference ??

Does it do this on gas, petrol or both?

i think when it did it it was running on petrol becasue it dont run on gas till it warms up enough ,, i think i tried to put it on gas when it was missfireing and still did it ,, im not 100% sure if it was runnin on gas any other times its done it ,, what would it be if it was doin it on gas aswell

[Marks DTM Calib]

If gas as well I would expect it to be ignition based but, it should report miss fire codes then....if petrol only the fuel filter sounds likely and once the miss fire has started and the injector is shut down then the lpg would do the same (as the LPG ecu's simply modify the petrol injector signal)

[deejaywardy]

If gas as well I would expect it to be ignition based but, it should report miss fire codes then....if petrol only the fuel filter sounds likely and once the miss fire has started and the injector is shut down then the lpg would do the same (as the LPG ecu's simply modify the petrol injector signal)

well i put it on a code reader a few days after it had started doing it ,, and it did come up with missfire codes 2 cylenders i think it said ,, i cleared the errors with it , but still did it with speed or accel ,, so if its ignition based what would that probably be ??

[Marks DTM Calib]

If gas as well I would expect it to be ignition based but, it should report miss fire codes then....if petrol only the fuel filter sounds likely and once the miss fire has started and the injector is shut down then the lpg would do the same (as the LPG ecu's simply modify the petrol injector signal)

well i put it on a code reader a few days after it had started doing it ,, and it did come up with missfire codes 2 cylenders i think it said ,, i cleared the errors with it , but still did it with speed or accel ,, so if its ignition based what would that probably be ??

Coil pakc possibly or failed cam cover gaskets.....or or or.....have a look at the fuel filter first though as if its crappy looking, rule it out by changing it

[deejaywardy]

If gas as well I would expect it to be ignition based but, it should report miss fire codes then....if petrol only the fuel filter sounds likely and once the miss fire has started and the injector is shut down then the lpg would do the same (as the LPG ecu's simply modify the petrol injector signal)

well i put it on a code reader a few days after it had started doing it ,, and it did come up with missfire codes 2 cylenders i think it said ,, i cleared the errors with it , but still did it with speed or accel ,, so if its ignition based what would that probably be ??

Coil pakc possibly or failed cam cover gaskets.....or or or.....have a look at the fuel filter first though as if its crappy looking, rule it out by changing it

well i will get a fuel filter anyway better to have a new 1

and the rocker cover gaskets are leaking so would that cause it ??

i have new gaskets for it just not had chance to fit them yet ,, and i guess if both of those fail coil pack lol

[davethediver]

Make sure the gaskets are genuine VX and not pattern ones or you'll be changing them again in a couple of weeks

[deejaywardy]

Make sure the gaskets are genuine VX and not pattern ones or you'll be changing them again in a couple of weeks

i got given the gaskest so not sure if they are vx ones or not ,,, wheres best place to get some gen vx ones at a fair price ??

and whatelse would i need if im replacing the RC gaskets any other gaskets or oat ?

[RobG]

Make sure the gaskets are genuine VX and not pattern ones or you'll be changing them again in a couple of weeks

i got given the gaskest so not sure if they are vx ones or not ,,, wheres best place to get some gen vx ones at a fair price ??

and whatelse would i need if im replacing the RC gaskets any other gaskets or oat ?

http://www.omegaowners.com/forum/YaBB.pl?num=1152564281

[deejaywardy]

thanks .

so can anyone give me a price for all these and where to order it all from

    * Rocker gaskets
    * O-rings
    * Gasket, Inlet bridge to head 2 off
    * Gasket, Inlet to Inlet bridge 3 off
    * Gasket, Inlet to Plenum O rings 6 off
    * Sealent, Black 1 off

[Marks DTM Calib]

thanks .

so can anyone give me a price for all these and where to order it all from

    * Rocker gaskets
    * O-rings
    * Gasket, Inlet bridge to head 2 off
    * Gasket, Inlet to Inlet bridge 3 off
    * Gasket, Inlet to Plenum O rings 6 off
    * Sealent, Black 1 off

You didnlt read the guide did you.....you dont need all those gaskets