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Old 11-12-2020, 03:51 PM   #1
Redtape
Scooby Newbie
 
Member#: 517309
Join Date: Aug 2020
Chapter/Region: E. Canada
Vehicle:
2004 Impreza WRX
Silver

Default Unwanted TGV delete (HELP)

THIS WAS POSTED TO ANOTHER FORUM BECAUSE IDK WHAT THE RIGHT LOCATION FOR THIS WQUESTION IS

Heads Up this is going to be a bit of an essay sorry about that

Heres the story, I recently bought a 04 wrx from a guy as a project car. Heres some of the specs: JDM V8 ECU from a 2001 STI (as read on the sticker label not to be confused with a VERSION 8 ecu), USDM (?) ej205 that reportedly had no spark and a stock tranny and diff. THE CAR WAS NOT RUNNING AND THE ENGINE WOULD NOT START. I was fine with that and bought it anyways.

I started diagnosing the problem and how that the engine was getting fuel, and had good compression but just like the guy said, no spark. scanned it with an obd scanner and found a crank position sensor error. Changed it out and still nbo spark.

Step 2 was to check the entire ignition system from the key to the spark plugs. Everything there seemed fine. all onnectors had their proper voltage and coil packs were showing correct resistance between the windings. After 3 days of troubleshooting I deided to switch the ecu with a 2003 USDM WRX on eI had lying around. Thats when I noiticed a problem.

As you could probably tell from the title, their are no tgv sensors on the engine. My jdm ecu wasnt able to read the codes but my usdm ecu is giving me 4: p1088, p1094, p1096, p1086. I tried to take a look and see if all the sensors were broken but found nothing there instead, heres some pics
https://ibb.co/WkqB3mS
https://ibb.co/fkHk4nG
https://ibb.co/crk5XzH
If those pics arent working for you, there are metal plates over the spots where the tgv sensors would go and it looks like the wires for the connectors were cut from the harness.

So if feel like im stuck now, For those that dont know, if the ecu detects a tgv error it wont send sparks to the plugs. Idk if I can add sensors back and wire it into the harness, or if i need a new harness or whatelse.

If anyone has any recommendations on what I should bo to bypass that error it would help me alot.


TLDR; tgv sensors were cut from the engine and now the ecu isnt sending a spark to the plugs.
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Old 11-12-2020, 05:47 PM   #2
cdska
Scooby Specialist
 
Member#: 458809
Join Date: Nov 2016
Chapter/Region: NESIC
Location: Boston
Vehicle:
05 blob, 02 bug

Default

FWIW I've ran my car with all 4 of those codes present
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