|
Issues | Warranty | Recalls / TSB Problems, issues, recalls, TSBs |
|
Thread Tools | Search this Thread |
04-17-2018, 05:37 PM | #1 |
Senior Member
Join Date: Oct 2016
Drives: 2013 FRS DGM.
Location: California
Posts: 106
Thanks: 25
Thanked 40 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
CEL p0456 on 2013 n/a help!
I have a 2013 FRS manual n/a with 50k miles. Stock except for gruppe s cattless header, mxp comp rs exhaust, and oft stage 2 tune(mods have been on for a year with no problem till now)
Just had the p0456 cel pop up for evap system. Tried doing some research and people say the gas cap but mine is tight. I cleared the code to see if it will come back on but as I've been driving it doesn't seem quite as quick as usual, has hesitation when first pushing gas pedal, and runs rough in reverse slow speed. Any help or tips would be great, I tried looking for loose vacuum lines but can't find where evap system is. |
04-20-2018, 07:26 AM | #2 |
Senior Member
Join Date: Oct 2016
Drives: 2013 FRS DGM.
Location: California
Posts: 106
Thanks: 25
Thanked 40 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Update: been 2 days since I cleared it and it now came back on. Does anyone have any experience with this issue, or any advice they can give me? Thanks
|
04-20-2018, 11:38 AM | #3 |
Banned
Join Date: Dec 2013
Drives: FT86
Location: Australia
Posts: 7,998
Thanks: 1,035
Thanked 4,987 Times in 2,981 Posts
Mentioned: 598 Post(s)
Tagged: 2 Thread(s)
|
check evap canister hoses
check evap hoses under intake manifold have not popped off or cracked loose check evap purge solenoid connection use oft to check ltft at idle (over 10% or so) if its high you likely have leak check idle manifold vacuum should be about -9 psi https://www.engine-codes.com/p0456_subaru.html |
The Following 2 Users Say Thank You to steve99 For This Useful Post: | frs_caskey (04-20-2018), guybo (04-20-2018) |
04-20-2018, 01:37 PM | #4 |
Huge E85 fan!
Join Date: May 2016
Drives: 2016 Scion FRS
Location: Tampa, FL, USA
Posts: 1,850
Thanks: 539
Thanked 1,010 Times in 605 Posts
Mentioned: 32 Post(s)
Tagged: 0 Thread(s)
|
You need techstream to test whether the evap solenoid valves are closing. Sometimes they build up crud and can't seat properly or just shit the bed. I was going to say to go into RomRaider and just disable the CEL since it is just the Evap system.... but P0456 isn't turn-offable.
|
The Following User Says Thank You to guybo For This Useful Post: | frs_caskey (04-20-2018) |
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
P0455/P0456 - Will go into limp mode | Kojiro | Issues | Warranty | Recalls / TSB | 23 | 02-22-2018 10:58 AM |
CEL P0456 | Carwhisperer | Issues | Warranty | Recalls / TSB | 48 | 04-23-2017 04:46 PM |
CEL p0456 code, jerking when braking | RedNWhite | Issues | Warranty | Recalls / TSB | 7 | 06-03-2016 06:35 PM |
Cricket-Fest 2013!! Calling All FT86s! Pure's Last Meet and Dyno Day of 2013! | Pure Automotive | Mid-Atlantic | 274 | 10-15-2013 10:48 AM |
Takeda Intake System; Stage 2 Wrinkle Black; PRO 5R; Scion FR-S 2013 H4-2.0L TM-2013 | AMPLIFIED MOTORSPORT | Engine, Exhaust, Bolt-Ons | 16 | 10-03-2012 08:03 PM |