# ('91 Legacy) Fuel Injector(s)--replace Or Rehab.?!

**URL:** <https://community.cartalk.com/t/91-legacy-fuel-injector-s-replace-or-rehab/14093>\
**Category:** Maintenance/Repairs\
**Created:** [May 16, 2008, 6:22am UTC](https://community.cartalk.com/t/91-legacy-fuel-injector-s-replace-or-rehab/14093 "2008-05-16T06:22:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Anon.II](https://avatars.discourse-cdn.com/v4/letter/a/5e9695/32.png) [@Anon.II](https://community.cartalk.com/u/Anon.II)\
**Post date:** [May 16, 2008, 6:22am UTC](https://community.cartalk.com/t/91-legacy-fuel-injector-s-replace-or-rehab/14093/1 "2008-05-16T06:22:41Z")

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Here’s the situation. 1991 Legacy L+ auto. wagon at 181k miles.  
  
  
  
 In Dec., an intended long trip was aborted after 40mi with a CEL and badly  
  
 running engine; limped back okay. Diagnosis was for O2 & knock sensors  
  
 AND injector #1, all replaced. (not cheap!)  
  
  
  
 Now, some only 600+mi later, similar symptoms are diagnosed as #2 injector  
  
 bad; at my urging (!), #3 & 4 were examined & pulsed, and deemed okay.  
  
  
  
 Shop rec’s replacing #2 ONLY; “wait 'til they go bad” for others (!). --not my  
  
 idea of treating the problem.  
  
  
  
 I saw here some recommendation for [witchhunter.com](http://witchhunter.com) cleaning treatment;  
  
 but shop believes injector life is much dictated by internals which it seems  
  
 that the witchhunter treatment really doesn’t address.  
  
  
  
 What to do?  
  
 Would it be not much more than superficial treatment to engage the witchhunter  
  
 treatment on #s 2 (bad, no pulsing) - 3- 4 injectors? --maybe it can’t  
  
 redeem #2, and won’t much forestall the dying of 3 & 4?  
  
  
  
 Or is their treatment more worthwhile than this?  
  
 (I thought I’d read something about treating internals, but don’t see that  
  
 on the [www.witchhunter.com](http://www.witchhunter.com) site; maybe it was elsewhere.)  
  
  
  
 ---------  
  
 Shop’s part price comes in at a hefty $170 for what I see online adv’d  
  
 @$120 MSRP disc’d $85 or so. Local dealer quotes $140.  
  
  
  
 Reliable on-line supplier recommendations?  
  
  
  
 Thanks much,  
  
 (-;

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<div class="post-metadata">

**Author:** ![Anon.II](https://avatars.discourse-cdn.com/v4/letter/a/5e9695/32.png) [@Anon.II](https://community.cartalk.com/u/Anon.II)\
**Post date:** [May 16, 2008, 2:51pm UTC](https://community.cartalk.com/t/91-legacy-fuel-injector-s-replace-or-rehab/14093/2 "2008-05-16T14:51:38Z")

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I guess I should add that a 3rd option I see re the aged injectors (between clean & …? and new)  
is buying reconditioned ones, such as advertised here [[www.fiveomotorsport.com/Injector\_SetsSUBARU.asp](http://www.fiveomotorsport.com/Injector_SetsSUBARU.asp) ]  
which at $200 for 4 (though I have one new one now) is still hundreds of $$$ below what the shop or  
a nearby dealer charge for new parts ($540 , $420, resp.).

But the question of reliability from FiveOMotorsport then arises.

Thoughts?

–Anon., II