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Could Do With Some Help

val-borntobefree
in The Owners Club General Discussions

Featured Replies

At the risk of getting stoned to death could do with some help with I EMPHASIZE MY PARTNERS vauxhall verctra b 2.0 DTI.....

can anyone come up with suggestions apart from a galllon of petrol and a match lol....

engine management light keeps coming on its been scanned it was showing a EGR fault .... so it has had replaced;

EGR valve .......didnt work

Map sensor ....still the same

Mass air flow .....ditto

air mass .....3 times

all pipework checked no blockages and pipes holding pressure....

Codes have been reset each time ......

at a total loss now ......He needs to sort this out to sell it and buy a proper car any help plllllzzzzzzz

  • Quote

    As a EGR is a mechanical part the fault will obviously be coming from a sensor.

    EGRs can be blanked off/not needed, and been as you have had it changed it eliminates that issue.

    Not sure what sensors are on or around the erg but will look into it for you..

    Are there any performance issues?

  • Quote

    Do you have the error code?

  • Quote

    Lambda sensor?

    Is IT running ok?

  • Quote

    Lambda sensor?

    Is IT running ok?

    I was thinking Lambda sensor too...

    Again...any running issues?

  • Quote
    • Author

    It surges on the revs sometimes .......When ive driven it i reckon it takes a while to pick up when you pull away .....

    the error code is PO400 ..........

    when the code is cleared it flies and then the engine management light comes on and it goes into limp mode.....

    when you open it up its fine and flies tbf

    It was originally saying insufficient flow now saying excessive flow

  • Quote
    • Author

    thanks Gav .......

    most people seem to have problems when doing speed this is never the problem its always when its idling or when you go to pull away

  • Quote

    Like a "Flat-spot"?

    MAF sensor is not shaking-hands with the fuel-pressure ! (In laymans terms - like having the wrong jets in a carburettor) ....

    This is the physical issue you have but, the sensors are what are giving the ECU/DME the confusion.

    Excess carbon deposits can cause your issue too ;)

  • Quote

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