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[Tim]

Hi, I've just bought a 2000,2.5 cdx estate,facelift, after cleaning the egr valve,the icv and replacing the afm, the acceleration is still really poor, replacing the afm has cured the erratic idle and gear changing and the overall power has improved but it crawls from a standstill until about 30 mph then it seems to be ok, If any one has any ideas they will be greatly received as i am now at a loss at what to try next,,
many thanks in advance..

Tim

[albitz]

Is it an auto ?

[Tim]

sorry, forget to add that bit, yes, it's a 2.5 v6 auto petrol.

[Timbuk]

limp mode

[albitz]

sounds like the gear box is in limp mode (although I am not one of the resident experts). are you getting any messages about auto box on the display ?

[RobG]

Hi, I've just bought a 2000,2.5 cdx estate,facelift, after cleaning the egr valve,the icv and replacing the afm, the acceleration is still really poor, replacing the afm has cured the erratic idle and gear changing and the overall power has improved but it crawls from a standstill until about 30 mph then it seems to be ok, If any one has any ideas they will be greatly received as i am now at a loss at what to try next,,
many thanks in advance..

Tim

Snow button isn`t on is it

[albitz]

It would go off when the engine was stopped though. so it would only happen once.

[RobG]

It would go off when the engine was stopped though. so it would only happen once.

[albitz]

 

[Tim]

I'm not getting any fault come up on the screen and no fault lights are on, Ive read up on the snow mode and it says it turns off at about 50 mph then you have to press it again to turn it back on but i don't know if it is stuck on,is there any way of finding out if its stuck on..?

[albitz]

The light on the snowflake button beside the gearshift would be lit,but it is unlikely imo.The gearbox in limp mode behaves the same as it does in winter mode i.e. driving in 3rd gear from a standstill.
Is there a "check" sign in the bottom of your display illuminated ?
You need to check the transmission fluid level.it isnt difficult to do,just a bit awkward. There is a guide on page 5 of the maintenance section.
If the level is low,top it up and see if it improves.If it does then it will be worth changing the fluid and filters in the transmission,again not difficult but can be a bit messy.

[Tim]

That sounds promising, there isn't a check light on, no warning lights on at all, if the auto box is in limp mode,does it have to be reset by vauxhall or will the fluid do the job..

[albitz]

If it is in limp mode due to lack of fluid, im pretty sure it will be okay when you restart the engine,after the fluid top up.
In the meantime you may be able to drive it as a manual, ie put it in 1st to drive away from standstill   then push lever forward into 2nd/3rd/d.  

[Tim]

thats great, I'll try that on my day off, thanks for all the help ...

[albitz]

Happy to try to help.