From: Mrcheerful on

"petetop" <peter(a)midcomp.co.uk> wrote in message
news:ybCdnaoIY52qVrrRnZ2dnUVZ8q2dnZ2d(a)bt.com...
>
> "Mrcheerful" <nbkm57(a)hotmail.co.uk> wrote in message
> news:ldOVn.148581$eS7.146271(a)newsfe25.ams2...
>> petetop wrote:
>>> "Mrcheerful" <nbkm57(a)hotmail.co.uk> wrote in message
>>> news:JnEVn.148557$eS7.30949(a)newsfe25.ams2...
>>>> petetop wrote:
>>>>> Hi
>>>>> When driving the car sometimes the Control Indicator for engine
>>>>> electronics comes on, this is the picture of a car with a spanner in
>>>>> the dashboard. When it lights up the car sort of stutters for a
>>>>> split second then drives normally but with reduced power, ie.
>>>>> accelerates more slowly. When the light is not on the car drives
>>>>> perfectly. If I turn ignition off then restart the car it goes out, it
>>>>> does
>>>>> this everytime, I now just turn ignition off and on quickly when on
>>>>> a straight road without stopping to remedy this.
>>>>> It mostly comes on when trying to accelerate past moving vehicles
>>>>> but not all the time. It may do it a couple off times in a day then
>>>>> not for a week or more.
>>>>> When it was lit I put a fault reader on the car ( OBDII) which
>>>>> reported no faults.
>>>>> Can anyone please shed any light on what could be wrong and how to
>>>>> remedy this.
>>>>> Would it be worth taking to Vauxhall garage or would they find
>>>>> nothing wrong if it wasn't showing a fault at the time.
>>>>> Regards
>>>>> Pete
>>>>
>>>> it is quite likely a sensor starting to break down, such as the tdc
>>>> sensor (very common and cheap on vauxhalls) reading live data will
>>>> show the fault. if it was mine I would change the tdc sensor and see
>>>> if the problem goes away.
>>>>
>>>
>>> Hi
>>> Where will I find the TDC sensor? Someone suggested a sensor that is
>>> situated in the engine somewhere near the front wheel, is this the TDC
>>> sensor?
>>> Regards
>>> Pete
>>
>> it does depend upon which engine you have but mostly the tdc sensor is at
>> the flywheel end of the engine, on the front or the back, secured with
>> one small bolt, it just goes straight into the crankcase.
>>
> Hi
> I believe its the camshaft regulator I was asking about. Would or could
> this be causing the problem.
> Does anyone know roughly the cost of taking it to a vauxhall garage and
> getting it diagnosed.
> Regards
> Pete

There is also a camshaft position sensor and those are at the wheel end of
the engine. A garage would likely charge about 60 quid for diagnosis.