So my wagon threw a bunch of codes :(

Heads, valves, pistons, rods, crankshaft, etc...

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tasq
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So my wagon threw a bunch of codes :(

Post by tasq »

14 Injector #1 Fuel injector inoperative (Abnormal signal emitted from monitor circuit)

31 Throttle sensor Abnormal voltage input entered from throttle sensor Sets throttle sensor's voltage output to a fixed value

35 Canister purge solenoid valve Solenoid valve inoperative

41 A/F learning control Faulty learning control function

42 Idle switch Abnormal voltage input entered from idle switch

49 Air flow sensor Use of improper air flow sensor

This hit me like a ton of bricks... where do I start? :shock:
- 94 Touring Wagon
- 05 Wrx Sedan
vrg3
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Post by vrg3 »

Typically, you start by clearing them to see which ones come back.
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tasq
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Post by tasq »

I cleared the ECU right before I took a drive, so it threw these 6 during a 10 mile drive.
- 94 Touring Wagon
- 05 Wrx Sedan
irishsetter
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Post by irishsetter »

I have some of the same issues. My codes through 14, 24, 35, 44 but it only throughs 14 on the first go around of codes then it goes away and all I have is 24, 35, 44. I had more codes then that so I went through all my sensor conections today and some of them hame some moisture in them. I used compressed air and brake cleaner and fixed a lot of the codes.
tasq
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Post by tasq »

rodger that... I will clean things up as best I can and post back...

Thanks ;)
- 94 Touring Wagon
- 05 Wrx Sedan
Legacy777
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Post by Legacy777 »

Just want to confirm, are you sure the codes are clearing? If you clear the codes, and then check the codes again before you start the car, it should read all clear.
Josh

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tasq
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Post by tasq »

Yes thats correct... I cleared the ECU by disconnecting the battery, and stepping on the brake pedal for about 30 secs. Then I let the car sit for a few... It throws the codes after I start the car and drive for a bit.
- 94 Touring Wagon
- 05 Wrx Sedan
Matt Monson
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Post by Matt Monson »

That's not a sure fire method to clear them. You need to get under the dash and use the connectors to clear them. Then you can run the car through diagnostics...
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tasq
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Post by tasq »

I cleared the codes, then checked them again after a drive with the black connectors... Thats wrong? Do I need to use the green ones and then drive? Sorry I am such a noob guys :???:
- 94 Touring Wagon
- 05 Wrx Sedan
Legacy777
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Post by Legacy777 »

After clearing the codes, and BEFORE starting the engine again, you should check and verify whether the codes have been cleared.

If you still have a sensor that is out of whack, using the connectors to clear the codes won't work. By killing the memory, and checking the codes before the engine is running, it "should" tell you whether you cleared the codes properly or not. The only exception is if one of the sensors is way out of whack and reading out of its proper range even with the engine not running.
Josh

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1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

If you need to get a hold of me please email me rather then pm
tasq
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Post by tasq »

ok... I will try this... Matt, would you have any time soon to help me sort this out? Id be happy to give ya a few bucks for your time.
- 94 Touring Wagon
- 05 Wrx Sedan
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