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I had that custom map since 2018 more or less, I had in the past some problems too with the AFR, or with small jerks/pulls at low RPM's, but in the end it ended up being solved after doing something (Tightening the bolt of the blow off valve, replacing the bolts on the maf sensor because they...

Thanks for answering and for all the advice. Last day, just before resetting the ecu/fuel trims, I tried to move the MAF wiring at the same time I was checking the AFR with Torque app. AFR was all the time 14.4-14.5 but in one moment when I moved the wiring, I thought I saw 15.5 or 15.8 AFR...

Hello, I want to explain my actual situation with my Mazda 3 MPS Gen1 (European Mazdaspeed3). Like 4 months ago, I saw my car smoking on cold (finally was just condensation), but because of that, I saw the afr idling was between 14.3 and 14.4 so I recorded a few logs, there we can see a 3rd...

Today did the test again. Cold start, smoking atleast 15 min while idling, sometimes smokes automatically, or sometimes I have to hit the throttle to start smoke again. After that, I use it nearly 5 min, then I did a test for the valve stem guides, I went to a descent road, going down holding...

Yeah I will do that first of all, replacing the PCV valve and relocating the intake nipple coming from the rocker valve, but doesn't look that's the problem I think, because it's not continually smoking on idle, just when I hit the accelerator throttle and just smokes a little bit when rpms are...

Yep, its looking good, I think I will replace the PCV and will improve the rocker cover vacuum going to intake equally. Most probably I'll take injectors out and send to restore, clean, replace all washers, orings, new upgraded filters and upgraded seals. I think the smoke with hot engine, can...

Small update from yesterday. One friend of spanish mazdaspeed whatsapp group told me to check if the recirculation hose of rocker cover was obstructed, so first of all, I disconnected the recirculation vacuum hose from the intake and tried to aspire/suction, I don't know if it should be hard or...

My turbo was rebuilt 1000km's ago. I am gonna try to change the nipple (that comes from rocker valve) location of the intake to make a test, I have a new PCV too pending for install. I would like to install as soon as I fix the smoke problem, a OCC between the PCV valve and the intake...

Yes, of course I am reading everything you are all writing, but definitely you are not understanding me, I'm freaking out. Can you understand I can't spend nearly 450$ in a CP-e inlet pipe (this have the nipple near the turbo) or over 360$ for the stock gen2 inlet pipe only to test if it's the...

Yeah I know about that, and where I live, almost never less than 60% humidity, usually 65 or 70%. This friday, I will start the car and let cold idle atleast 15 min and look what happens, then I will use the car atleast 15 min and then in hot, i will let idle again 15 min, to discard 100% the...

Yeah, I don't know if it's burning definitely oil, but I think the only way to burn water, is through the head gasket, and If I had a bad head gasket, compression test would be bad, plus it smells a bit bitter. This is what I want to test, small banjo bolt maybe mask the problem, if the "smoke...

But here in Spain/Europe, didn't have any Mazda advertising about the turbo, or ventilation upgrade or something like that, so I think here, the inlet pipe in both mazdaspeed3 are the same. If I had the stock inlet pipe, I would test to fit a cap in my actual intake nipple and put a new nipple...

Me too, I rebuilt it with a Melett CHRA (One of the best brands in europe) and after 1000km's of very soft use, the other day started smoking again.

This is why I am asking if with BNR S4 turbo + HTP 3.5" intake would solve the problem, because I have pending both to install. But if your idea is keeping stock k04, I saw a video of one guy with smoke problem on idle and hes putting a cap in the stock intake nipple, and putting a new nipple...

I saw in forums that Mazda America recognized the problem was this: a) The engine oil, lubricating the turbo charger bearing, may be excessive. When the internal pressure of crankcase is higher than the exhaust pressure during idling, it is possible that the engine oil may leak into the exhaust...

And I can't install it to detect if its something related with the turbo seals? What do you think what @Awafrican said? I have a Cobb Intake and maybe the problem is car doesn't have enought strength to suction the pressure of the rocker cover? Maybe the straight pipe from turbo helps to this...

The problem is I am from Spain, here in Spain not a lot of mods/shops for Mazdaspeeds, we have to buy outside always paying big shipping costs and big custom taxes. I am gonna test in cold and in hot, with OEM turbo oil bolt and with the restrictor bolt, in both situations, cold and hot. I will...

Yeah I think too the problem is related with crankcase pressure. If its about crankcase pressure, it would smoke only in "cold", only in "hot" or in both situations? As I said, I have pending to install a BNR S4 v1 with an HTP 3.5 Intake (that intake have the TIP recirculation a bit closer to...

That's what I'll do, If I have time, I will idle in cold 15 min, will drive it, then I will idle in hot 15 min. I will install banjo bolt and repeat the test.

I didn't test more than 5 min idling so I can't know 100% true (I don't have time lately) but I think it stops when oil or engine is hot. Few days ago I use it and after few km's, I left idling with hot engine nearly 5 min and no smoke. I am discarding head gasket because I think if I had head...