is there a choke on a4 1.8Ts? tickover normal when cold

[jamesey]

hi do these a4 1.8ts avj have a automatic choke anywhere now its cold i can start the car ok but the revs are still around 800 rpms , surely that should be higher? does anyone know?

 

[S4_dan]

Could be related to your high emissions possibly? Poor plugs? too rich? etc

 

[S4_dan]

now its cold i can start the car ok

Do you have issues starting the car when it's warmer outside?

 

[Broken Byzan]

if the CTS is faulty, it's possible it's not reading the temp as low as it actually is, thus not apply the cold stat strategy

 

[jamesey]

if the CTS is faulty, it's possible it's not reading the temp as low as it actually is, thus not apply the cold stat strategy

ive just fitted a genuine tmp sensor the one at the back of the head and its still the same , not got the error code now that told me it needed a sensor.
it starts the same when warm , starts ok hot or cold , i do have a flat spot whilst accelerating but maybe something else.lol

 

[PetrolDave]

hi do these a4 1.8ts avj have a automatic choke

Fuel injected cars don't have a choke, they use temperature sensors (intake temperature and coolant temperature) to determine when they need to inject extra fuel for a cold start.

Try doing a FULL VCDS scan and see what fault codes it shows.

 

[Mike_B]

Where's your flat spot?

 

[jamesey]

Where's your flat spot?

hi , my flat spot is only every now and then and its usually when its semi warm when im acelerating hard

got a code tonight on my obd scanner it said 16502 coolant sensor low?