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1

Omega General Help / v6 2.5 omega crank shaft sensor

« on: 17 July 2007, 20:41:51 »

My 2000 model omega v6 2.5 manual has had an intermitant fault for some time. It starts and drives as it should without any problem apart from the fact occassionaly it won't go. Every two or three weeks it just won't start. The engine will turn over without any attempt to fire up.If I keep turning the engine eventually it will start and then will drive as normal for another couple of weeks.
          I went to an auto electrician who plugged the car in to a computer and the ecu had logged a code 19 rpm sensor fault. Apparently this is the crank shaft sensor. He cleared the fault from the ecu and am now waiting for the car to break down again to see if it is the same fault. I go on holiday in three weeks and am terrified the crank shaft sensor will fail and I will be stranded with a heffty garage bill. As the sensor is £70.00 rom Vauxhalls I have been advised to buy a genuine part only as some aftermarket one's are prone to fail. I don't want to spend this money should that no be the fault and also can anyone tell me where the sensor is on the 2.5 v6. Any help would be appreciated, does this sound the right diagnosis ? :-/

2

Omega General Help / Re: omega v6 heater bypass valve (HBV)

« on: 17 February 2007, 08:43:46 »

Hi all, Firstly thanks for all your help on getting to the heater bypass valve.I have now hit a snag and had to put it all back together without changing the valve.I managed to remove the scuttle under the wipers but there is a centre section under that and I can't figure out how to remove it. It appears to be made of some sort of foam and once removed gives me more access to the rear of the engine but cannot find out how it is secured.Please help !

3

Omega General Help / omega v6 heater bypass valve (HBV)

« on: 13 February 2007, 21:20:52 »

Can anyone please give me some advice. I have a 2001 omega 2.5 v6 and strongly suspect the heater bypass vale is leaking at the rear of the engine. I have located and can barely see the valve but cannot figure out hoe to get to the stupidly placed item.I have searched the site and found various comment about the valve but cannoy find any instruction on how to get to it.I have contacted the main agents who's advice was to book it in with them or as one cocky little fat mechanic ( who probably won't fit under mu bonnet anyway ) said buy a Haynes manual. Could anyone please give me a general indication how to get to this vale and the easiest way to replace,regards.