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The boots look fine, but I’m going to wipe them out and then load them up with a new layer of dielectric grease before putting them back in. Or should I put the boots back on dry?

Well, I found the problem. I pulled the number four and number six spark plugs out this evening and they have arcing literally engraved into the porcelain along the side of the plug. They aren’t cracked or anything, so I’m wondering what caused this to start happening on 3 different plugs... So...

I’ve ran regular 87 octane from CostCo about 80% of the time except for road trips, then whatever is available. I did try a full tank of premium and it didn’t seem to make any difference. The stuttering and jerking comes on just shy of 3,000 rpm at WOT in 5th gear or higher gears. Is that...

My idle and low load engine operation is completely smooth. The misfire(s) don’t manifest until WOT runs in 5th gear or higher above about 3,000 rpm. And this issue was not present before mid March of this year. Under low engine load and cruising on the highway it runs smoothly without...

I have yet to take the truck in to Ford to have the PCM programming done for the 24E12 recall. Is there a possibility that that has anything to do with the intermittent misfire that I am having? I ragged on it on some back country roads again yesterday driving home from work and could feel a...

I recorded a fuel rail pressure log yesterday driving home from work using the OBD Fusion app. Seems to jump all over the place, unless this is normal? I stayed out of the throttle and drove no more than 30% or above 3,000 rpm’s the entire way home. I’m not even sure what the correct fuel...

I have no intention of tuning the truck, so do I gain anything by putting the MSD coil packs in it? IF I ever did put a tune in it, it would be an E85 tune since that is readily available in this area. And from I read online, the fuel system in the 2018+ 2.7 Ecoboost F-150s can handle it...

But to have 3 coil packs all go at basically the same time? 🤷🏻‍♂️ Now the cylinder one misfire is gone and it is now affecting 3, 4, & 6 High pressure fuel pump?

I need to hook up FORScan to it and check. I haven’t actually done that yet.

Good afternoon! Looking for some suggestions or advice on how to proceed/diagnose an intermittent misfire that I am having with my truck. (migrating from #1, to #3 & #6) It is a 2019 Ford F-150 with the 2.7 Ecoboost engine, 4x4 SuperCrew and is completely stock. It currently has about 89,500...

Microswitch?

I had previously posted in the mechanical/maintenance forum regarding a head gasket problem on my friends 2012 Toyota Prius. Ultimately He ordered a reman engine from Hybridpit located in California. The engine arrived on Monday this past week and we finished installing it today. We got...

Thanks for all the responses. He ordered a complete engine from Hybridpit. It should be delivered some time next week. Admins, you can lock this thread. Thanks.

Doesn’t appear to have a crack.

How about this site? https://hybridpit.com/1-8l-hybrid-engine-2zr-fxe-motor-bronze.html

I will rotate the engine over tonight and get some pictures. I’ll also check that the pistons are all the same height in the bore at TDC and BDC for the two inside holes. As previously mentioned by someone, how did that coolant get into the oil. All good points.

Here’s the same pic, not zoomed in.

Block surface

This spot on the engine block itself where the head gasket was blown out between the two cylinders, is a little concerning to me. Try some 2,000 grit wet paper to take it down flush and slap it back together and send it? He and his wife don’t have the kind of money to have the block all...

There was no evidence of oil consumption. Plugs, except for the one that came out of the second hole, all looked great. And the one the came out of the second hole only had a slight amount of darkening around the porcelain insulator. I’ll go back out to the shop in a little bit and snag a...