Skip to content
View in the app

A better way to browse. Learn more.

Ultimate Subaru Message Board

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

1990 subaru legacy L... Sensor prob? wiring prob?

Featured Replies

Ok so I disconnected the alternator, and there was no change in the engine.

 

I plugged the two black wires together and I got these codes.

 

 

32 Oxygen Sensor or Circuit

35 Purge Control Solenoid or Circuit

41 Air/Fuel Adaptive Control

22 Knock Sensor or Circuit

24 Air Control Valve or Circuit

 

 

What do you guys think?

 

Considering I allready had a little issue with the wireing harness could all of his these things be running on one plug or something? Also the engine sat for about a year before the swap... could all of these sensors be bad?

 

I could be misreading but I think you said you are missing 1 plug on the intake manifold harness that was the smaller of the 3. That one usually has mostly sensor grounds in it if I am remembering correctly. It would certainly explain all of the codes, in essence "ghost" codes as the sensitivity is too high (sorta).

 

You really need an entire engine harness most likely the battery corrosion got into those connectors. Lots of patience, de-pinning the main harness side, cleaning with a brush and dielectric grease coating after, might also work.

Theres TONS of those cars up in your area. Gotta be a pull a part yard around with a harness you can get. Dare I say a huge majority of the USMB members are from your corner of the country even! Post a parts wanted thread?

 

I wouldn't splice because some of these are shielded wire setups like coax with signals coming/going to the engine.

  • Author

yea just money is tight right now so if I can get by with a 3 dollar fix Id be down. I think Im going to try it, really what do I got to lose.

 

I dont think its corrosion on the plug... The plug looks all tore up like someone tried to unplug it but didnt know what they were doing. Im thinking the plug got the wrong end of a screw driver and now its all gapped out... just my theory.

  • Author
Theres TONS of those cars up in your area. Gotta be a pull a part yard around with a harness you can get. Dare I say a huge majority of the USMB members are from your corner of the country even! Post a parts wanted thread?

 

I wouldn't splice because some of these are shielded wire setups like coax with signals coming/going to the engine.

 

 

Things is that there are tons of em up here. Which means most the junk yards and "pick a part shops" are fairly well sifted through. There freaking too popular up here. Only car Ive ever owned that Ive parked in a grocerie store parking lot and there would be 3 or 4 white subarus just like mine all in a row.

Please sign in to comment

You will be able to leave a comment after signing in

Sign In Now

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.