hi, i have owned my st 170 for a number of years but just the last couple of weeks its started to develop a funny running issue.
it starts fine and idles fine when its warming up but as soon as its warm, when its stationary it sounds a little sick, sort of pulsing revs. it seems to drop to around 800rpm but doesn't stay smooth. it seems to have no difference to the acceleration or the general driving apart from it maybe splutters very slightly when crusing along around the 2500-3000rpm range, but the is only very slightly and not constant.
Also when driving once its warm when pulling up to a stop or slow crawl, unless its under engine breaking, the battery light flicks on as if its close to stalling almost as if the engines gonna cut out.
I work in a vehicle body repair garage and have plugged a diagnostic machine in to see if any faults come up but nothing did.
would really appreciate any help someone can give
Cheers
Gareth
it starts fine and idles fine when its warming up but as soon as its warm, when its stationary it sounds a little sick, sort of pulsing revs. it seems to drop to around 800rpm but doesn't stay smooth. it seems to have no difference to the acceleration or the general driving apart from it maybe splutters very slightly when crusing along around the 2500-3000rpm range, but the is only very slightly and not constant.
Also when driving once its warm when pulling up to a stop or slow crawl, unless its under engine breaking, the battery light flicks on as if its close to stalling almost as if the engines gonna cut out.
I work in a vehicle body repair garage and have plugged a diagnostic machine in to see if any faults come up but nothing did.
would really appreciate any help someone can give
Cheers
Gareth