Erratic throttle response when cold

[Mechcanico Lee]

Ba Jesus !!! Just read through all the posts on this fault ........

The fuel type .....shell v power , supermarket plonk grade , whatever grade !!! it's NOT fuel grade causing this .... yes there is a difference in qualitys of fuel .....will it make a car go dead throttle on take off , then come back again and be all ok again ...... what ???have the octane fairys just sprinkled some magic glitter on that tank full and made it all ok again ....no chance .... just think it through .... think Delboy said it back there somewhere ., "clutching at straws " or some such , sorry for the bluntness , don't mean to insult your intelligence by the way .

The fault code in Abs 00116 gear ratio not recognised or some such , I think it's a big tell tale .... some of the good techs on here glanced on it .

So abs ecu is looking at road speed and individual road speed from each wheel to work out any traction control interventations , gearbox ecu will be receiving this info via can network , engine ecu will be looking at both abs ecu and gearbox ecu .....so far so good ??
So could we have conflicting messages what road speed is via abs to what road speed the gearbox thinks is the correct gear it should be in .

Here's where I would go ..... does the car have the button to disable traction / esp ..... if yes press it then start your normal drive cycle , see how it goes

Next test if it's still same after disabling esp .....

Un plug 1 of the abs sensors at the connector ....lets default the brakes to standard operation eh , if you lose speedo reading , re connect that one and un plug another , I don't know which one is the ' master ' sensor so trail and error , you do not want to lose speedo because the gearbox will just go to default and that's no good for our testing , yes abs light will be on and other lights , doesn't matter for our tests .

Are the tyres around the same wear levels ?
Does it have different brands of tyres on the same axle ?
Do you ever get a strange ' flutter ' on the brake pedal as you come to a near stop ?

Some things to go at for now