chris wrx 95

iTrader: (1)

For the first 5 mins of driving from cold the car feels like its got a misfire. Then it goes once it has warmed up a little and wont come back till i first start it the next day from cold.

myblackwrx

iTrader: (1)

Coolant temp sensor?
Same symptoms as i had when mine was messing about.

chris wrx 95

iTrader: (1)

Though it was most likley to be that or the maf. Thanks alot. Now i can sort that and carry on enjoying my new PFC

myblackwrx

iTrader: (1)

I think you can check the voltages on the Commander (i have no idea what they should be though you'll need to speak to someone who maps them) and the readings can indicate whether the sensor is good or not.

joz8968

iTrader: (13)

mbwrx is right. Chris do you have the Commander too? If so, let us know and I'll tell you how to check the MAF voltage, and where it is on the Commander, etc. (if you don't know obviously)...

chris wrx 95

iTrader: (1)

I’ve checked the voltage on all the sensors and checked the coil packs as have the guys who fitted it and all seems fine. They have let me use a new MAF for the week to see if it still does it. If it still does then going to change the temp sensor.

chris wrx 95

iTrader: (1)

Well the new MAF didnt do anything so it has to be the water temp sensor.