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The solenoid on top that wire harness connects too, the solenoid for the VVT i think it is. Doesn't have the L3K9 or mazda written anywhere on it

i trust his compression guage way more then mine as I never get a consistent reading and before I bought the car this same shop did a compression test in the motor and it was 165 across all 4. Now it’s like 150-155s His compressor wasn’t working properly or something but he has a new one on the...

That’s we did and the numbers didn’t have more then 10 psi difference, he thinks maybe the VVT is messed up and not working properly. Or thag the engine is jsut done and needs rebuilding. I’m going back next week We don’t think it’s anything to do with any accessories on the car, it’s a...

Took it to the guy that works on speeds, we spent 2 hours looking through it. We didn’t find anything besides that it could be the VVT he says it’s not an oem unit and maybe it’s messing up the valve timing. Or the whole engine is fucked, his words. He did a compression test with the spark plugs...

You can check CorkSport too for their race pipe! Glad you found your problem

Coils work based off load right, so when load increases maybe they're not being supplied enough power, not igniting the mixture, tricking the o2 into thinking its lean so it adds fuel but then runs super rich which is why fuel trims drop significantly when letting off? When the misfires happen...

So tracked down another speed owner, swapped our MAF and didn't change anything. He even tried mine in his car and it was good

I looked at everything I had the ability to do, I didnt bother with the MAF because it idles perfectly I'll try and find a speed in my area that's willing to swap MAF to test

there was a lot of things that were possibly wrong with it but now there's actually codes indicating so. How do I go about testing it to make sure its actually a bad sensor? When i unplug the MAF it doesn't really change how it runs.

Coils** sorry

I was just in the garage putting my OCC back on. I looked at the maf connector and it all looked good visually I also did a resistance test on my coils and 3 were 10.9 and the other one was 12 ohms

code p0102 now, bad MAF?

Where was the exhaust leak? If it was making more boost when u had an exhaust leak but now that you fixed it its harder to make boost, somethings clogged up. I wouldn't try anything else besides disconnecting the second cat, because you changed the first one already. I bet you its clogged up and...

Okay after fire, is that normal? And what about the p0113?

So i checked the crankcase pressure again and there's no smoke on idle, it must've been condensation yesterday But there's a new code which is exciting, p0113, now i've read that the IAT is integrated into the MAF, and the code means high voltage which means it think the air is too cold but its...

U made it here from Reddit lol, welcome. Id do what easter bunny said and unbolt the second cat and go for a drive and see what happens. When you say its not boosting, like no boost at all or just not a lot of it?

I have a check valve on the VC dump but ill reconnect it, My intakes been dry ever since I installed the catch can and its not filling up crazy fast. Im going to a garage this week hopefully to have a leak down test done.

hello everyone, i found some time today to do some more diagnosing. I focused on the crankcase pressure today, I made the VC breather dump VTA without going back into the intake and blocked off the intake port. Theres smoke coming out of the valve cover at all times. I tried to take off the Oil...

The engine rebuild shop near me that only rebuilds MZR DISI is 4500 to rebuild my engine to oem spec and install, 5500$ for a basic built motor with install. All CAD Im still not 100% convinced I even need a new one at this point, but if I do I'd talk to them more and see what exactly goes into...

2200$ is how much it would cost just to get rods and pistons, installation would make it way more