2003 jetta 1.8t engine stumbles on cold start

[yoho3215]

Hi everyone, i have a 03 jetta with 1.8t engine, it only has about 70k miles but when i start it on a cold morning the engine will stumble and once the engine light came on. It would only stumble for like a minute and go away or when i restart the car. when i got the engine light checked it was cylinder 2 and 4 misfire. i changed the spark plugs and coils a month ago. also i have the new temp sensor so that should not be the problem. i have no clue what the problem is please help. THANKS

[CHABER]

my car sputters on cold starts every once in a while, dunno why though.

maybe you have an ignition coil going intermittently. A while back i used to get random misfires sometimes as well as an occasional cel that read misfire when i got it scanned at autozone. Since then I've gotten all four ignition coils replaced and have never experienced that again.

edit : i see that you said you replaced the coolant temp sensor, I noticed my car sputtering after i replaced mine with the green one. again i dont know why..

[yoho3215]

i changed the ignition coils about a month ago with new ones i got a autozone. so i dont think it would be the coils again. but i dont know about the temp sensor thing

[CHABER]

i changed the ignition coils about a month ago with new ones i got a autozone. so i dont think it would be the coils again. but i dont know about the temp sensor thing

you know that ignition coils are under recall right? meaning you can get new ones free from the dealership. the autozone ones are probably crap

[yoho3215]

wow thanks man ill check that out

[chips4087]

there not going to replace them at the dealership now if you have autozone ones in there

[O_Matt]

there not going to replace them at the dealership now if you have autozone ones in there

Obviously.

If he still has the old ones though, he could use those to get new ignition coils at the dealer.

[maddenbowler]

no they will still probably replace them. its easy money for the techs and it goes by part number. if it doesnt have the 'good' part number it gets replaced

[BDubCT]

use an OBD and see where we can begin... at least from there we have an idea. it sounds like you dont have enough CCA (cold cranking amps) but that is just the battery it wouldnt trigger a check engine light to go off... seems rather odd, i wouldnt wait on this one i would get it checked out.

[yoho3215]

i dont want to go the dealer cause they have the vw dealer has a tendency to take extra time on purpose