P000C and P0021 FIXED

Zeluhs · 05-19-2022, 09:01 AM

Hello all,

On my 2018 STI I’ve been getting these codes and can’t figure out the fix. The ACVS on the left is only going to 2-3 while the right is up to 25-27. I’ve so far replaced the instale sprocket, intake Oil solenoid, changed and flushed the oil. I can’t figure it out. I’m using Motul 10W40 and this code followed me through a new build. I’m using a IAG stake 2+ block with new heads banjo bolts have been cleaned as well. I’m thinking it could be the sensor as I have not changed it or something wrong with the harness as before I had an issue where the harness got damaged causing a throttle issue not sending the single.

How could I test to see that the voltage is getting to the Oil solenoid?

Problem was the harness connector

glassesjacketshrtman · 12-04-2022, 11:46 PM

What was wrong with the connection? Dirty? Rust? Did you just replace or clean it? Thanks.

05-19-2022, 09:01 AM	#1
Zeluhs Scooby Newbie Member#: 505672 Join Date: Aug 2019 Vehicle: 2018 WRX STI World Rally Blue	P000C and P0021 FIXED Hello all, On my 2018 STI I’ve been getting these codes and can’t figure out the fix. The ACVS on the left is only going to 2-3 while the right is up to 25-27. I’ve so far replaced the instale sprocket, intake Oil solenoid, changed and flushed the oil. I can’t figure it out. I’m using Motul 10W40 and this code followed me through a new build. I’m using a IAG stake 2+ block with new heads banjo bolts have been cleaned as well. I’m thinking it could be the sensor as I have not changed it or something wrong with the harness as before I had an issue where the harness got damaged causing a throttle issue not sending the single. How could I test to see that the voltage is getting to the Oil solenoid? Problem was the harness connector Last edited by Zeluhs; 05-24-2022 at 04:03 PM.

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12-04-2022, 11:46 PM	#2
glassesjacketshrtman Scooby Newbie Member#: 390580 Join Date: May 2014 Chapter/Region: South East Location: Murfreesboro, Tn Vehicle: '04 Stage 1 WRX PSM SEDAN	What was wrong with the connection? Dirty? Rust? Did you just replace or clean it? Thanks.