P0300 and really Strong misfire: Please help (vids inside)

[Rodriguez]

this has been a very ongoing issue I haven't been able to figure it out and I've tried numerous things. My searches on the forum have yielded different solutions including a new crank position sensor cam angle sensor and new throttle position sensor all of which have been tried. As it sits now my car has a brand-new OEM crank sensor brand-new OEM cam angle sensor and a new throttle position sensor. In addition I have replaced both coil packs all for plug wires and the plugs themselves. Problem persists... The car is at my mechanic right now and he can't figure anything else out other then a new ECU. The only code he says he gets from the computer is P0300.

I know this forum has had a lot of p300 threads but I've tried most of the proposed fixes. See the vids for more info.

Also, if im very gentle with the throttle car drives fine. Please, any advice is greatly appreciated...

http://www.youtube.com/watch?v=-zFhlyZLjGI

http://youtu.be/g1swCpn8874

[Silvertune]

Are you fucking serious?

https://www.thegalantcenter.org/show...the-2-4-litler

LOOK AT THE PICTURES. LOOK AT YOUR PARTS WHEN YOU INSTALL THEM. You have a massive vac leak because the 8g throttle bodies DO NOT SEAL AGAINST THE OUTLANDER MANIFOLD.

A mass vac leak causes random cylinder misfire.

I Don't get how that flipping shit people can install all these parts and not look to see if they actually seal up. BOLT PATTERNS ARE NOT THE ONLY FORM OF COMPATIBILITY.

[99galantES]

I have the same issue now being on the sane setup but ive been having it before doing the swap as well

[Rodriguez]

Are you fucking serious?

https://www.thegalantcenter.org/show...the-2-4-litler

LOOK AT THE PICTURES. LOOK AT YOUR PARTS WHEN YOU INSTALL THEM. You have a massive vac leak because the 8g throttle bodies DO NOT SEAL AGAINST THE OUTLANDER MANIFOLD.

A mass vac leak causes random cylinder misfire.

I Don't get how that flipping shit people can install all these parts and not look to see if they actually seal up. BOLT PATTERNS ARE NOT THE ONLY FORM OF COMPATIBILITY.

Good info, Bad attitude man. Was my mistake in missing that detail soo offending for you to curse me out like that. Or are you just one of those guys who goes around swinging your big internet forum dick. Get over it man, Ive been through enough in my life to have thick skin but i don't like shitbags and that was a shitbag way to answer my thread. Don't take me for some 17 year old kid who just got his car from craigslist. This forum is not my only source of gratitude. I probably do more in a year than you do in a lifetime.

Now, like 99galantES; i have also been having this issue since before the swap if i remember correctly. Its been awhile.