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U know what I could try is blocking off the two vented ports. My pcv valve has unknown miles on it. Can a bad pcv valve cause this? When I installed the Damond pcv plate I cleaned it out with brake cleaner and listened for the spring and tested it with air and it was good. Also when boost leak...

Yeah, when boost leak testing, it all comes out of the oil cap breather. If I put my hand on it it builds up and when releasing it gushes out.

Did boost leak test and found only a small leak at the clear plastic hose that goes to the valve cover from the intake but it's always leaked a tiny amount. I think something else is wrong. Air was coming out from my valve cover breather and when that is closed my new catch can which was pretty...

Alright MAF unplugged and it still bucks.

I did run it for a bit without the air filter on, could that have messed it up? I've had the same intake setup for about 4k miles now and just recently it started bucking.

I'll try with MAF unplugged. So what does it mean I can do if it's an airflow error? Retune? My filter is huge and only slightly started to get a little dirty.

Got a new log, it's short and right when it happens. I noticed the maf goes very low. MAF problem? 1. Re-gapped plugs, cyl 2 or 3 was a little wide at over .026. And another a little less. Re-gapped all to .024. 2. Will check again. Boost leak test next. 3. Haven't done this. 4. Cleaned MAF a...

Getting hard bucking to where the car stops violently for a second, let go of the gas and it idles normally. Can't drive it normally unless I keep rpms extremely low and low pedal depression. Log attached. Anyone notice anything? Only 3k miles on brand new 1 step colder NGK iridium plugs...

Here's the link but you must be a member. Just answer a few basic speed questions on fb. facebook.com/groups/mazdaspeedpartsandadvice/permalink/7981691961858273/

Seems like the wastegate flapper is not closing. Disassemble it and make sure it moves freely. Also fix all exhaust leaks. Post turbo won't matter for building boost though but can mess with your trims. Check the air filter condition and clean the MAF.

Just ordered some 17x9 +45 Enkei TD-5's and am a fitment noob. I've seen some in the fitment thread and elsewhere you can get away with 5mm spacers up front and up to 8mm without needing to extend studs. I'm thinking to try 5mm before I commit to extending studs. Question: Do you still need a...

The hose that was on the old iwg will now go to the new ewg's bottom port. Cobb iwg bracket to keep it held closed.

I fabbed my own dump tube. It was pretty easy. VS racing 44 gate. Comes with flanges. I have a mig welder I'm using with mild steel wire and 100% CO2 gas. Sure it will rust eventually but it will be many years until then. I couldn't be bothered to mess with high pressure argon or tri mix and...

Damn what happened? Pics? Maybe plugging it in causes a chem reaction? Or something in your tank, or 93 mix..Mine is still perfect..I'll add some gas to it. And maybe hook up a small battery to it or something.

I just searched around for fuel senders and came across it. I looked at it closely and saw that the shape was very similar and the price was low so I figured to try it. And plus Amazon has great returns. You also helped push me to find it as I was about to go with the whole Delphi replacement...

NICEEEEEEE!

Good luck! You could also cut off the connecter from the old sensor and solder it on to the yaris. Cut, strip, solder, heat shrink. I'm excited to see how it goes :D I hope it fits right in and the float arm is the correct spec.

It's holding up well. It's this www.amazon.com/gp/product/B09C8FPLGM/ Seems to be an aftermarket Toyota Yaris 07-18 replacement. I don't think OEM is going to work. And that epoxy is pretty pricey. Week 3 Ethanol seems to make a good fruit fly trap lol. The sender is fully submerged but I...

lol!