2000HF idle issues
Posted: 09 Feb 2013, 06:20
When my car starts from cold it will rev to around 2000 RPM and then drop back to around 800 to 900rpm after about 4 minutes
This seems to be its normal start procedure and has been for years
It is not a problem (or maybe it is?) but worth noting
When the car is warming up it will often struggle and will behave in quite a jerky manner as if it is a bit fuel starved. It generally overcomes this after 3 or 4 kilometre of travel but is always twitchy until fully warm
Once it is fully warmed up, and particularly on hot days, the revs will often cycle from 600 to around 800 rpm when at idle
If it is really hot (say 30 degrees Celsius plus daytime temperature) it starts to drop to around 600rpm
At that point it is prone to stalling
Once it does stall under these conditions it is very hard to get it started again.
I find I can crank the starter vigorously for sometimes a minute and it might start. If it doesn't, you push the car off the road and wait 5 or 10 minutes and it will generally get going again. If not wait a bit longer and so forth
As a result the car is unsafe to drive on hot days and you are always wary that it might stop at some inappropriate time in heavy traffic
They are the symptoms. The solution I don't know!
In recent times the injectors have been cleaned and the air slide has been replaced
I am not a mechanic but I do have one locally who is very good, but we are both a little stumped by this behaviour
Does this sound familiar ?
The car lives in Melbourne Australia and 30 degree Celcius days and hotter are common through summer
I'd appreciate any advice members might have on this issue
This seems to be its normal start procedure and has been for years
It is not a problem (or maybe it is?) but worth noting
When the car is warming up it will often struggle and will behave in quite a jerky manner as if it is a bit fuel starved. It generally overcomes this after 3 or 4 kilometre of travel but is always twitchy until fully warm
Once it is fully warmed up, and particularly on hot days, the revs will often cycle from 600 to around 800 rpm when at idle
If it is really hot (say 30 degrees Celsius plus daytime temperature) it starts to drop to around 600rpm
At that point it is prone to stalling
Once it does stall under these conditions it is very hard to get it started again.
I find I can crank the starter vigorously for sometimes a minute and it might start. If it doesn't, you push the car off the road and wait 5 or 10 minutes and it will generally get going again. If not wait a bit longer and so forth
As a result the car is unsafe to drive on hot days and you are always wary that it might stop at some inappropriate time in heavy traffic
They are the symptoms. The solution I don't know!
In recent times the injectors have been cleaned and the air slide has been replaced
I am not a mechanic but I do have one locally who is very good, but we are both a little stumped by this behaviour
Does this sound familiar ?
The car lives in Melbourne Australia and 30 degree Celcius days and hotter are common through summer
I'd appreciate any advice members might have on this issue