O1e

Hello! I'm new here, and not good at english at all, but I will try my best.

My "problem" is like this:

Sometimes when I'm starting the engine and it is completly cold it does not want to run clean. It almost sounds like it's not running on all cylinders. And it going up and down i RPM. This could be for 5-10sec, but after that it's nice as always. It has also happend 2-3 times before under driving, and it feels like the engine does'nt want to move the car. It can be for around 5-10sec that also. And after those seconds it works great. Some sensors that are messing with me? MAF, sparks, fuel pump are new. I changed the sensor .. ohh, i don't remember the right word for it, but it located right under the dynamo.

What could my problem be? It start fine when it's warm. I reset the ECU, and the two last startups have been fine.

Thanks alot!

O1e

Nobody? It is an EJ20G. Could it be the sensor on the cam?

Thanks

myblackwrx

iTrader: (1)

Cam and crank sensor normally cause starting problems

O1e

I changed the crank sensor, so maybe it's time to change the cam sensor too. But I got CEL on it, so I could see that it was really the sensor that was the fault. Have not got a CEL on this yet.

myblackwrx

iTrader: (1)

have you checked the code?

Scoobypedia | Trusted knowledge for everything Subaru | Knowledge / ECU these shows you how to manually read the error codes

O1e

Maybe I messed up abit now. I got CEL when the crank sensor was defect for around one year ago. But I have not got a CEL yet this time, so I really don't know which sensor that are messing with me now. If it's the crank or cam sensor that make it like this sometimes, It almost have to be the cam sensor because I changed the crank sensor. And when the crank sensor was defect I got the CEL light. And the car started nice, but I could'nt get it to start if the engine was half warm. Now it is just the 5-10 first seconds that it does'nt run right when the engine is completely cold. I reset the ECU and the last 2 times that i have started the engine there has not been a problem.

Thanks for your answer

myblackwrx

iTrader: (1)

Ahhh i see well check the ecu for codes anyway as i've had a sensor go wrong on my car and not light the CEL.

O1e

Okay! Have not got this problem after resetting the ECU, so i have to wait to see if it appears again. Thanks alot for your help