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So i changed out my 600-400 dorman under warrenty and it redeveloped the misfire, with solenoid unplugged i get no miss, so i'm just gonna live with a check engine light for a little while, i believe it may be a bad diaphragm in the diverter valve causing a vac leak-misfire. But if i can cover a...

I've verified its not clogged cats by removing bank 1 sensor 1 o2 sensor to free up the air flow. I get no change in idle or misfire if i induce a vacuum leak. This whole issue simply seems to be caused by the solenoid. I've beat on it as much as i can, and can't trigger any misfire codes...

Checked the connector, was tight. Found most my misfire to be that faulty solenoid. I think it's allowing a vacuum leak as well, now that i have the solenoid unplugged theres almost no misfire. There is a slight stumble off of idle if going anywhere near WOT Sent from my iPhone using Tapatalk

Actually, no i havent even thought about that. But again, does it seem like that'd be a potential issue with it running fine at 2k rpm? Sent from my iPhone using Tapatalk

I've changed coils from 1 & 2, still getting p0301, checked the connectors, & wiring. Pulled out the bank 1 sensor 1 o2 sensor to check if relieving back pressure would get rid of the misfire Still getting a misfire. I'm gonna try and re-replace the solenoid i put in last week when the...

Cyl 1 has a good known coil on it. The connector doesnt change anything if i'm pushing on the connector putting pressure on the coil. I'd have to say the most irritating part of this whole ordeal is number 1 is under the intake. Now is there no way possible that this could be a vacuum leak...

This is plug 1, i put ngk plugs in it today, and all of the coils have been replaced with oem motorcraft stuff. I'm honestly leaning towards clogged cats, being that i had a rotten egg smell once i fixed the 0411 code, and been missing ever since. Sent from my iPhone using Tapatalk

Pulled all coils and plugs again, still misfiring, 2 connectors clips are broken, but even when pushed tight its missing, it threw the p0301 again. It only seems to miss at idle, and under load more than 1/4 throttle. Sent from my iPhone using Tapatalk

Updated my answers with each thought Sent from my iPhone using Tapatalk

Guess i shouldof added that i changed out the plugs & coils.. Miss is only under load, i'm drinking the water gents. Sent from my iPhone using Tapatalk

Car still has a miss, but no codes are being thrown for it, only when its under harder acceleration though, gonna go pass an emissions today, then see if i cant make a code throw. I'm hoping its just a vac leak. Sent from my iPhone using Tapatalk

I found my issue, wasnt getting spark, changed out my coils and tested a known working coil, turned out it blew a 10 amp fuse. Sent from my iPhone using Tapatalk

And how would i do that? Sent from my iPhone using Tapatalk

So i replaced the COP with a new one, pulled the intake, did the 3 plugs & just replaced the one coil, put it back together and now it wont fire up... I've double and triple checked all of my connections, gapped all of the plugs and still nothing, it has fuel, havent checked for spark yet, but...

And if so, do i need new upper intake gaskets when i do the coil replacement or can i reuse the old? Sent from my iPhone using Tapatalk

Would that be the case though, wouldnt a vacuum leak cause the misfire? Sent from my iPhone using Tapatalk

I've changed the solenoid down by the crank. Now i'm getting a p0301. Any clue? I've checked everything over from the things i touched. Developed once i changed out the sensor. Dorman 600-400 Sent from my iPhone using Tapatalk

Also, from the thread posted here, and another thread posted in that thread, i've decided i'm gonna try and replace the diverter valve? Dorman part 600-400, picked it up today, surprisingly it was in stock at my parts store who typically has no ford/lincoln parts. Gonna swap it out on my lunch...

Hm would the 0411 not be a pending code if it was throwing a solid code? Say a p1414 for sake of argument Sent from my iPhone using Tapatalk

Also should add in that i can hear the pump work-kindof, not sure what it's supposed to sound like when working properly. But theres a vent/filter below the drivers side headlight that i pulled off and stuck my finger in, it gives off a bit of suction, not comparable to a vacuum line. Sent...