Subject	Codes po300 and po303.
Posted by	Evan(CA) on November 21, 2014 at 12:37 PM
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In Reply To	What are the symptoms? posted by Barry(TN) on November 20, 2014 at 08:48 PM
Message	It was running rough and fuel was literally dripping from the passenger side header. All the injectors ohmed in spec. I confirmed spark and swapped around coil packs with no change. I did a power balance test and 1 cylinder was definitely not firing on the passenger side but one other was suspect as well. Though the engine seemed to be running on 5 not 4 cylinders. So I swapped all 3 injectors from either side and got the fuel leak to move to the DS. So I'm thinking at least one injector has failed open though it's strange they ohm in spec. I'm thinking about ordering a set of remand'd injectors from Rock Auto as suggested above.
Follow Ups	NZR but Nissan related. Are OEM injectors the only option? - Evan(CA) 16:29:22 11/20/14 2004-2006 Subaru WRX STi - i_s_64 16:44:01 11/20/14 I'm looking for a Nissan Frontier truck not a Z :) - Evan(CA) 16:57:00 11/20/14 Sorry, I thought you were saying the Frontier 4.0 V6 uses - i_s_64 17:00:54 11/20/14 Do you know anyone who runs STi injectors in the Z? (n/m) - OverZealous (CT) 18:00:04 11/21/14 Yes - i_s_64 18:52:30 11/21/14 Any problems to report since the switch? (n/m) - OverZealous (CT) 22:49:45 11/23/14 I'm running the Subaru Jecs 550 injectors & they work great. (n/m) - xpwarrior 10:53:12 11/24/14 Awesome!! Thanks for posting. - OverZealous (CT) 21:17:58 11/24/14 Don't know of anyone else using them. - xpwarrior 22:18:44 11/24/14 Exactly! I plan on doing the same. Thanks! (n/m) - OverZealous (CT) 19:43:39 11/25/14 2005-2006 Legacy GT injectors are the same as well (n/m) - BigTDogg (MA) 21:51:09 11/25/14 I forget the site now, but I got a 1990 jeep cherokee - Red Hawk (CO) 17:05:39 11/20/14 I put GB Remans from Rockauto in - xpwarrior 17:41:17 11/20/14 What are the symptoms? - Barry(TN) 20:48:39 11/20/14 agreed (n/m) - Bernie (NoVA) 01:55:58 11/21/14 Codes po300 and po303. - Evan(CA) 12:37:15 11/21/14 I think having yours cleaned and flow tested would be enough (n/m) - Bernie (NoVA) 19:16:28 11/21/14 Do you have a recommendation on a place to do that? - Evan(CA) 21:02:59 11/21/14 Not sure if JWT does cleaning, but try them also Witchhunter - Bernie (NoVA) 01:52:05 11/22/14 I asked Jim about it at ZCon - BlackholeZ 03:25:09 11/23/14
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