Evo X no spool no boost problem caused by HFC failure
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Evolving Member
Joined: Feb 2012
Posts: 179
Likes: 0
From: NJ/Venezuela/Taiwan
Evo X no spool no boost problem caused by HFC failure
So normally, if your EVO X is down on power there is probably a boost leak or maybe even a vacuum leak and worst case something wrong with your wastegate/turbo.
My evo x gsr was driving like a basic lancer all of the sudden with no check engine light
I wasted alot of time taking my car apart and even tried to take the turbo apart because I couldnt figure out whats wrong with my car. So I hope this thread will help any future fellow member who already checked the list below and still cant figure out why.
All intercooler pipes are connected.
I checked the FPR hose
I checked the Fuel pump fuse
I checked the coldside of the turbo to make sure its not seized.
I checked the Wastegate connector rod
Scan for OBD codes
AND IN THE END ... my issue was my AMS HFC has failed with only 15k miles!! So beware .... my HFC material travelled down my exhaust and clogged it up!! If you have this issue, you will notice your exhaust sound is quieter when you start your car.
My evo x gsr was driving like a basic lancer all of the sudden with no check engine light
I wasted alot of time taking my car apart and even tried to take the turbo apart because I couldnt figure out whats wrong with my car. So I hope this thread will help any future fellow member who already checked the list below and still cant figure out why.
All intercooler pipes are connected.
I checked the FPR hose
I checked the Fuel pump fuse
I checked the coldside of the turbo to make sure its not seized.
I checked the Wastegate connector rod
Scan for OBD codes
AND IN THE END ... my issue was my AMS HFC has failed with only 15k miles!! So beware .... my HFC material travelled down my exhaust and clogged it up!! If you have this issue, you will notice your exhaust sound is quieter when you start your car.
Last edited by denlin68; May 5, 2016 at 08:26 PM.
Holy sh*t!
Also, for a bit there I thought you had gone ***** to the wall trying to figure this out and torn apart the car with pieces (like the rear subframe) just sitting on the ground. Then realized the photo was upside down!
Also, for a bit there I thought you had gone ***** to the wall trying to figure this out and torn apart the car with pieces (like the rear subframe) just sitting on the ground. Then realized the photo was upside down!
First time I have seen one unravel. Have seen some of the smaller units internals become dislodged and get stuck downstream resulting in the same issue. I am selling a Apexi JDM HFC if interested.
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Thread Starter
Evolving Member
Joined: Feb 2012
Posts: 179
Likes: 0
From: NJ/Venezuela/Taiwan
AMS basically told me vibrant makes the hfc material so its not AMS' fault and they cant warranty it because its over 1 year old. If they cannot stand behind their products and I cannot recommend them to anyone.
Evolved Member
Joined: Nov 2015
Posts: 1,066
Likes: 29
From: Tri-State NY/NJ/CT
lol, it's like your Evo has a tapeworm!
So normally, if your EVO X is down on power there is probably a boost leak or maybe even a vacuum leak and worst case something wrong with your wastegate/turbo.
My evo x gsr was driving like a basic lancer all of the sudden with no check engine light
I wasted alot of time taking my car apart and even tried to take the turbo apart because I couldnt figure out whats wrong with my car. So I hope this thread will help any future fellow member who already checked the list below and still cant figure out why.
All intercooler pipes are connected.
I checked the FPR hose
I checked the Fuel pump fuse
I checked the coldside of the turbo to make sure its not seized.
I checked the Wastegate connector rod
Scan for OBD codes
AND IN THE END ... my issue was my AMS HFC has failed with only 15k miles!! So beware .... my HFC material travelled down my exhaust and clogged it up!!
My evo x gsr was driving like a basic lancer all of the sudden with no check engine light
I wasted alot of time taking my car apart and even tried to take the turbo apart because I couldnt figure out whats wrong with my car. So I hope this thread will help any future fellow member who already checked the list below and still cant figure out why.
All intercooler pipes are connected.
I checked the FPR hose
I checked the Fuel pump fuse
I checked the coldside of the turbo to make sure its not seized.
I checked the Wastegate connector rod
Scan for OBD codes
AND IN THE END ... my issue was my AMS HFC has failed with only 15k miles!! So beware .... my HFC material travelled down my exhaust and clogged it up!!
