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Old 03-31-2019, 07:49 PM   #21
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Originally Posted by taintwookiee View Post
i was able to pull over once and quickly test the cylinders by pulling the connector for cylinder #4 and it made it worse while pulling cylinder #1 did not make it worse, also the fuel injector turned off at the same time when the cylinder was misfiring.
How did you determine this? It may be related.

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Old 03-31-2019, 07:56 PM   #22
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How did you determine this? It may be related.

Paul
when i was pulled over and hurried to check it i quickly checked the fuel injectors by feeling if they were clicking and all of them were except for cylinder 1. so i pulled the connector for fuel inj #1 and it did nothing to the engine and how it was running. the same happened when i unhooked the coil pack to #1.
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Old 03-31-2019, 09:09 PM   #23
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Quote:
Originally Posted by taintwookiee View Post
when i was pulled over and hurried to check it i quickly checked the fuel injectors by feeling if they were clicking and all of them were except for cylinder 1. so i pulled the connector for fuel inj #1 and it did nothing to the engine and how it was running. the same happened when i unhooked the coil pack to #1.
So based on that test would you say that perhaps you only had an issue on cylinder #1 at that time?

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Old 03-31-2019, 09:15 PM   #24
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Originally Posted by taintwookiee View Post
Changed the spark plugs and cop's, .
What parts were used and what plug gap are you running. Have you pulled the new plugs to see what they look like?

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Old 03-31-2019, 10:20 PM   #25
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Quote:
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So based on that test would you say that perhaps you only had an issue on cylinder #1 at that time?

Paul
its hard to say as at the time i thought cylinder 3 was actually 4 (firing order, but not order of cylinders) so i do not think i pulled #4 and only pulled 1 and 3. i am pretty sure 1 and 4 both go out at the same time.

Quote:
Originally Posted by taintwookiee View Post
Changed the spark plugs and cop's, .
What parts were used and what plug gap are you running. Have you pulled the new plugs to see what they look like?

Paul
motorcraft sp541a gapped .51 (they look fine and were just put in same day as coils with no change to misfire) and ebay coils, but they work just fine on 2 & 3. i do have motorcraft DG541's on the way for 1&4 along with a full set of autolite 104's (not sure what i need to gap to for this motor) and a full set of motorcraft CM5086 Injectors on the way also just to eliminate all of that. I also ordered a new K&N PF-2000 Fuel Filter to try and nip all of this.
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Old 03-31-2019, 11:37 PM   #26
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The zero there will kill you...............51 is over half an inch. Of course you mean .051" which is fine.

Why do so many people change ALL the injectors, exercise in wasted money in 90% of all cases.
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Old 03-31-2019, 11:44 PM   #27
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The zero there will kill you...............51 is over half an inch. Of course you mean .051" which is fine.

Why do so many people change ALL the injectors, exercise in wasted money in 90% of all cases.
i am just trying to get it fixed and the guy that i got it from said they were last changed 60,000 ago so i figured since they were on sale and oem that i would get them. no harm no foul.
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Old 04-01-2019, 09:33 PM   #28
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Fuel injectors definitely can go bad. I had a co-worker who asked me to replace a spark plug wire on her Ford explorer I said why just one spark plug wire she said she gets a misfire on cylinder 2, and it seems to need spark plugs and wires frequently. I told her that's not normal and doesn't make any sense. Long story short the whole time it was a fuel injector that was going bad intermediately. For the labor involved on her Ford explorer all of them should have been replaced, but only one was and it fixed the problem.

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Old 04-03-2019, 10:18 AM   #29
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very similar issue last summer on my 04 2.3, fixed it for (almost) free. I noticed it when at maybe 3000 revs going into 3rd or 4th. I'd get some rather serious pinging. similar error codes, i don't really remember the #s though. It's hard to diagnose obviously.. eventually I noticed it only happened when wet/moist. i took some water and sprayed it around to replicate the issue. sure enough, i got these giant sparks shorting from the coils to the block. The plastic shrouding on a couple of them had all but rotted away, so there was less insulation. Decent coils were about 50 per and I didn't feel like dropping 200 that day, so I just used a **** ton of silicone and re built the insulation shroud thingy. Worked great, no problems 6 mo later.

good luck, post either way..
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Old 04-03-2019, 03:23 PM   #30
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I've done the same and why I save old silicone plug ends if the shapes are lending toward using for antispark sleeves. One of my zetecs has been running for years with no OEM plug ends at the plugs on the wires, I made up sleeves for them for free.

FYI, when I raved about changing injectors I meant doing them ALL at ONCE, they DO go out but unless you get one of those weird motors that tends to fault them over and over then buying all IS a waste of money. I watched scads do that when I was in parts and most of the time even all of them didn't fix the problems.

I haven't lost an injector yet on a long stream of FI cars. I'm sure at some point it will happen but I won't be buying all of them at once when it does.
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