scooby46

iTrader: (2)

Hi,

I have a v2 sti. When i start the car from cold it starts first time every time, when its on choke the revs are roughly at 1,500rpm where they should be. Then 5-10 secs after starting the revs drop and rise, the engine sounds like its ******* and occassionly it cuts out! I try to push the accelerator down and some times the engine picks up and clears, other times it dies. Its the same when i drive off after about 2 mins from starting, it splutters down the road! but when its warm its a totally different car!! no probs what so ever! im not sure wher to look, its had plugs and coil packs.

HELP PLEASE!

Skooby53

iTrader: (1)

Hi scooby46, it could well be your MAF. You can try and disconnect it and see if the car continues running. If it does then the MAF is knackered and you need a new one if it stalls then the MAF is probably ok. Go and try it and see what happens. This is not definitive but is a good indicator.

The MAF is located in the air intake pipe after the air box.

merlin24

iTrader: (1)

Could also be a faulty Coolant Temp Sensor.

scooby46

iTrader: (2)

i will try the maf now, and is there a way of testing the sensor?

merlin24

iTrader: (1)

Have a look here :

https://www.scoobynet.com/scoobynet-...ml#post8115600

Mick

scooby46

iTrader: (2)

ive tryed the maf - and its fine, the car cuts out when its disconnected

As for the coolant temp sensor, are they cheap? might just stick a new onw in regardless - its a 13 year old car.

andy scooby

my old evo 6 used to do this and all i had to do was turn the turbo timer fully off and that sorted the problem instantly.hopefully you have a timer or this aint really much help....good luck

BigBez

now and again starting my1995 wrx sometimes revs fluctuate.

also it starts from cold everytime but if i take a short journey say before it gets up to temp or just hits the temp, then alot of the time it wont start again for anything from 20 mins to an hour before it starts again.....its confusing the f**k outta me

scooby46

iTrader: (2)

any ides people???

Skooby53

iTrader: (1)

Hello again, the coolant temp sensor is less than £20 IIRC. As you said maybe worth changing on an older car and it may cure the problem.

scooby46

iTrader: (2)

Thanks ill give that ago and let ya know

Tidgy

sounds like a possible sticking idle control solenoid