hpfp internals

Found some hpfp internals for 140$ wondering if I should pull the gun and buy but I’m having some doubts because I noticed some slight scratches on the shaft. Lmk

I have a 2012 Speed 3 that is stock except for a custom fab catback exhaust. I want to get the HPS Performance intake (https://hpsperformanceproducts.com/products/hps-shortram-cold-air-intake-kit-07-13-mazda-mazdaspeed-3-2-3l-turbo-827-601?variant=32478092525665) which is the same diameter as...

So I just rebuilt my hpfp with e safe orings and have been driving it no issues at all. Then did a minor low gear pull and immediately lost the high pressure in fuel and it started making a horrendous clacking. Only info I have on hand is if I unplug the pump. The noise nearly stops completely...

so this is my first post, If u want to go straight to what my issue is skip the details next ill put troubleshooting in bold I bought my 2013 speed 3 in may 2022 at 134xxxkm and its now just over 140xxxkm. since buying it I've learnt that it has a gen 1 engine, engine is "fine" (comp...

Hey everyone, I'm looking to get some help on identifying the HPFP internals that I currently have in the car, as the previous owner bought the car with them installed and the previous previous owner said he never had Autotech, only CorkSport. Since I know these are not the latest CorkSport...

Before I could get my Tune from PD tuning I had to upgrade my HPFP internals to allow it to flow enough to make the tune safe. No zoom zoom boom..... I purchased the internal kit from PD tuning (It was a Cobb kit). It had the internal parts needed and it was all well made. CX7 owners note...

Hey guys. First time on the forum and looking for some insight from long term owners or knowledgeable mechanics. I own a 2012 Mazdaspeed 3, 125,000 miles, owned since new and maintained very strictly, so the car runs very smoothly. Original turbo and engine components. The only modification I...

I've come here as a last resort. Heartbroken over months of trial and error. Recently had the engine replaced, and had put in an Autotech HPFP. She has an HPS CAI and a HKS BOV... I know, it's horrible for the engine, but it came with it when I bought it, and I spent all my resources in...

EDIT: Problem solved, both my HPFP housings were bad. New HPFP housing solved the problem. More detailed explanation in a response posted below. Hey everyone, been pulling my hair on this one. Here's the scenario. Car is running fine (2011 speed3), for 1.5 years. I buy brand new Corksport HPFP...