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Thread: Help 2.2 Direct Stuttering under hard acceleration

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    rolleyes Help 2.2 Direct Stuttering under hard acceleration

    Can any one offer some advice whan accelerating hard in any gear once the revs reach 3000rpm the car seems to falter as if there is not enough fuel getting through then once it passes this 4000 rpm stage it seems to pick up again but with the warning light coming on and staying on until the car is switched off and back on again.

    It runs fine with a light load and gentle acceleration but that is no fun.

    The car has covered only 33500 miles and is on a O5 plate I do not have a fault code reader the dealership who I bought the car off with an extended year warranty has just told me to bring it in for a 45.00 quid diagnostic check and that I'm not covered for electrical problems.

    Not sure if this is relevant but the car stinks on warmer days like the Cat was damaged and the exhaust makes a fluttering noise could the 2 problems be related as a lack of back pressure might make the fuelling map change ???? only a guess.

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    Regular Member Gsi3.2's Avatar
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    hmm... you bought it from a dealers.. VX Dealers?.. and was the warranty a NetworkQ one?

    if it is a NetworkQ warranty then you ARE covered for electrical faults..

    the £45 charge is a standard 1/2 hrs fee, just to get an initail diagnosis.. many dealers charge this as if the fault isn't covered under warranty VX won't pay for any diagnosis time..

    for accurate diagnosis, it will really have to go and get plugged in. we can guess from afar based on previous experience but for 100% certainty we need the codes it has stored..

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    Default More information

    Thank you for the help so far, I will post the fault codes after the diagnostic check tomorrow.

    The Garage was not a NetworkQ dealer which at the time I did not think would be important low mileage fairly new car etc

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    North West & North Wales Assistant Regional Organiser Drinky's Avatar
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    Sounds like one of the fuel pumps to me !!!!!

    Back in a V6 !!!!!!!!!!!! And lovin it !!!

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    will be the high presh fuel pump and the fuel presh regulator also will need a pipe from the pump to the rail very common on the dirrects

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    Quote Originally Posted by Geordie2.2 View Post
    Can any one offer some advice whan accelerating hard in any gear once the revs reach 3000rpm the car seems to falter as if there is not enough fuel getting through then once it passes this 4000 rpm stage it seems to pick up again but with the warning light coming on and staying on until the car is switched off and back on again.

    It runs fine with a light load and gentle acceleration but that is no fun.

    The car has covered only 33500 miles and is on a O5 plate I do not have a fault code reader the dealership who I bought the car off with an extended year warranty has just told me to bring it in for a 45.00 quid diagnostic check and that I'm not covered for electrical problems.

    Not sure if this is relevant but the car stinks on warmer days like the Cat was damaged and the exhaust makes a fluttering noise could the 2 problems be related as a lack of back pressure might make the fuelling map change ???? only a guess.
    The last three letters on your reg,aren't MOF are they?

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    Default Permanant Solution to this problem

    Is there a permant fix or known solution to this problem as once the car is out of warranty it could start to be expensive.

    Hopefully this will be classed as a mechanical failure rather than an electrical fault as this is what the warranty will cover hopefully

    Hello Sparky71A the last 3 digits are KNJ.

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    Quote Originally Posted by Geordie2.2 View Post
    Is there a permant fix or known solution to this problem as once the car is out of warranty it could start to be expensive.

    Hopefully this will be classed as a mechanical failure rather than an electrical fault as this is what the warranty will cover hopefully

    Hello Sparky71A the last 3 digits are KNJ.
    phew thought you'd bought me old motor then,i would have gone for damaged cat if that had been the case,as they took ages to replace the oxy sensor.

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    Default Update on the problem

    Sorry for the delay in getting back with more information, but the garage has just informed me that the problem with the car is the Inlet Manifold Swirl sensor have seen the posts for the CDTI but is it the same for the 2.2 direct petrol.

    The good news!!! is that the parts and work required are covered under the warranty but it will be a full day job.

    Do's this sound right.

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    Quote Originally Posted by Geordie2.2 View Post
    Sorry for the delay in getting back with more information, but the garage has just informed me that the problem with the car is the Inlet Manifold Swirl sensor have seen the posts for the CDTI but is it the same for the 2.2 direct petrol.

    The good news!!! is that the parts and work required are covered under the warranty but it will be a full day job.

    Do's this sound right.
    Sounds correct to me. I have had two swirl valves worked on in the short time I have had my 2.2 direct.

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