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Thread: Power failure

  
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    Lowie33's Avatar
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    Unhappy Power failure

    My GSI IS HAVING A FEW PROBLEMS WHEN IT GETS TO ABOUT 2 OR 3 THOUSAND REVS, IT SEEMS TO LOOSE POWER AND HESITATES,i'VE HAD A NEW AIR MASS METER, TURBO BOOST CONTROL VALVE FITTED AND ALL THE USUAL FILTERS REPLACED AND IT'S STILL DOING IT. ANY IDEA'S AS IT'S REALLY ANNOYING

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    coil pack?

    any warning lights on?

    try the pedal test see if any fault codes come up

    details here: http://www.astraownersclub.com/vb/sh...78&postcount=2


    Also no need to SHOUT

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    Sorry to be so loud didn't realize. There's no warning lights, I'll dig out what work was carrid out, noy sure about the coil pack, thanx

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    Have both BCV's been replaced?

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    Found my invoice so here goes,scan all control units and no faults, check all ecu live data static and on roadtest against GM TIS and ok, flush engine and change oil and filter, add injector and gas additives to fuel, carry out enginr compression test, fuel pressure test, exhaust back pressure test, gas leak test, engine vacuum test inc vacsuppliesto actuators, air mass reading low so relaced air mass unit, remove throttle housing and clean off carbon deposit, program new throttle settings on tech 2 remove exhaust manifold heat shield to ckeck for cracks and all ok, remove all inter cooler pipes and chec for oil blockage, mityvac turbo waste gate and test valve, replace turbo boost control valve, change fuel filter, remove engine ECU connections x 2 and clean, close open ECU connections, sorry if that was a bit long winded

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    So they only replaced one BCV could be the the rear BCV,and then as above has said coil pack or even plugs

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    i still advise doing the diy code test as linked to above

    no mention of plugs and/or coil pack there so maybe start with the cheapest first - plugs

    standard ones are only a couple of quid each at vxl

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    new plugs and coil pack have been replaced

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    i hate to say this but mine is doing it aswell changed the coil pack and air flow meter, still the same so we checked the pipes for oil last night and just as i thought el turbo gone AGAIN. i am not a happy chappy at the moment its the 3 rd one in less than a year

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    thats not good, it must be costing a fortune, are you getting new or refurbed turbo's?

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