Discussion
Hi guys , after two and a half months started noble today , engine fired up but would not hold idle and kept dying . Started it up again and kept the revs up so it wouldn't die , once warmed up tried to rev it but it was struggling say over 4000 rpm and was not revving freely and as soon as i took foot off the throttle it would die . I did manage once to get it to hold at idle but was rough . Anyone know what it could be ?
Cheers
Stefano
Cheers
Stefano
GTO600 said:
As Adrain & Tux say it could be fuel or plugs however what you describe could be that a timing chain has jumped due to lack of oil pressure in the chain tensioner on start up!
If it were me l would have it professionally checked rather than keep trying different things.
This sounds serious and i presume undriveable? . Would i be able to hear anything if the timing chain has jumped or have other symptoms? . The car was running ok before i put it away for the winter. If it were me l would have it professionally checked rather than keep trying different things.
The car was running very well and before putting it away for the winter I drove it for about two hundred miles on shell V power mostly motorway . It had a full service last year at Jetstream and they fitted a new fuel pump and all new fuel hoses , new actuators etc, it then had a remap with yellowshed and was running like a dream. I have a feeling this is electrical related and I will have a good look tomorrow morning .
Edited by verba1 on Monday 23 February 20:24
Had breakdown mechanic to check car after andygtt thought it could be the alternator overcharging . He found battery at 11 volts with engine off . At idle it was reading 15.3 volts which he said was too high and should be a max of 14.2 volts , pointing to the alternator overcharging .Has anyone else had the same problem ?
Update : one new alternator and battery and back in business .
Big thanks to all that helped here on this great forum ! ( lost count of how many curries i owe Tuxman and Blue3R!) and massive thanks to andygtt for all his generous input, diagnosing the fault and suggesting not to drive the car and who saved me from probably frying the ECU etc !!
Cheers
Stefano
Big thanks to all that helped here on this great forum ! ( lost count of how many curries i owe Tuxman and Blue3R!) and massive thanks to andygtt for all his generous input, diagnosing the fault and suggesting not to drive the car and who saved me from probably frying the ECU etc !!
Cheers
Stefano
Edited by verba1 on Wednesday 22 April 12:25
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