Subject	Same....
Posted by	300ZMang on April 25, 2012 at 9:03 AM
	This message has been viewed 184 times.
In Reply To	Stumble at low rpm, kinda stumped. posted by Woody75 (Denver) on April 24, 2012 at 10:43 PM
Message	My Z started doing this last night as well. Seems to be worse in 3rd gear, approaching 3000rpms then lightly hitting the throttle. If you find the solution, would you mind emailing me so I can check it as well?? Thanks
Follow Ups	Stumble at low rpm, kinda stumped. - Woody75 (Denver) 22:43:52 04/24/12 Still have EGR? - Joe@ZSpeedperformance 23:25:02 04/24/12 Tried it, no change. (n/m) - Woody75 (Denver) 22:26:42 04/25/12 Have you tried a different ECU? - toykoz32 01:19:49 04/25/12 Yep, it in my list I posted. (n/m) - Woody75 (Denver) 09:06:48 04/25/12 almost sounds like an open loop vs closed loop issue - aliaZ 06:04:21 04/25/12 Answers. - Woody75 (Denver) 09:11:08 04/25/12 Same.... - 300ZMang 09:03:34 04/25/12 suspect dying injector or bad coil or injector connection - Dane (Houston) 09:59:33 04/25/12 Coils have been proved out. - Woody75 (Denver) 10:32:01 04/25/12 I have seen injectors cause this, even Nismo's that ohmed - marklar182 10:08:56 04/25/12 As have I. - Woody75 (Denver) 10:32:53 04/25/12 if you have an injector that is underflowing - aliaZ 11:23:26 04/25/12 I'm leaning towards this post, and the AR post below. - CoHPhasor 21:43:46 04/25/12 FPC has been swapped out already (orginal post) - Woody75 (Denver) 22:22:51 04/25/12 Right, but how's the voltage? - CoHPhasor 01:53:29 04/26/12 Had this issue for the last 2 months and fixed it 2 days - HK'S Z 12:02:32 04/25/12 Checked it, its good. - Woody75 (Denver) 22:24:45 04/25/12 Suspect VTC gear or oil pressure to VTC (n/m) - OverZealous (CT) 22:55:11 04/26/12 Re: Stumble at low rpm, kinda stumped. - AsaHerring 12:39:31 04/25/12 Was the cas/pin rusted when you pulled it out? - Joe@ZSpeedperformance 08:39:06 04/26/12 Aliaz already asked this. - Woody75 (Denver) 09:09:27 04/26/12 vacuum leak? - TriniTT 10:28:55 04/26/12 What about the TPS sensor? - DVDBURN (MD) 20:43:45 04/26/12 It reads fine. - Woody75 (Denver) 09:26:54 04/27/12 You didn't say anything about the TPS in your OP. (n/m) - DVDBURN (MD) 10:08:06 04/27/12 Oh damn, sorry. Just saw that. (n/m) - Woody75 (Denver) 10:15:38 04/27/12 Sounds like sensor or fuel delivery. - DVDBURN (MD) 10:54:55 04/27/12 Few updates - Woody75 (Denver) 22:32:41 04/27/12 I had a PTU go bad before where it caused - KongZTT GT28RS MD 22:52:58 04/27/12 "Swapped out PTU" (from original post) - Woody75 (Denver) 11:45:49 04/28/12 sorry.. didnt read it thoroughly :) - KongZTT GT28RS MD 12:54:59 04/28/12 Couple thoughts for you - 300ZMang 08:38:17 04/30/12
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