Subject	Thats what I thought at first..so I first pressure tested
Posted by	treese88 on April 24, 2012 at 3:17 PM
	This message has been viewed 373 times.
In Reply To	You should check your fuel pressure, posted by MeatMan - 604Z.ca - on April 24, 2012 at 01:10 PM
Message	by clamping the ends which was inconclusive (not confident in the clamps sometimes it held, sometimes not so much). Next I pulled the plenum and fuel rail to test with paper towels wrapped around the injectors. No leaks (multiple times). The only thing I can think of is a injector has a slight leak somehow when opening, but I'm not sure how to test that, or if it is even possible. My fuel pressure when idling is normal. But yes, my symptoms seem to fit leaky injector. These were new Nismo 740cc injectors from SZ and they now have a grand total of ~50 miles on them. '91 TT
Follow Ups	RPM dip when tapping throttle - only when cold - treese88 12:26:32 04/24/12 I have this same issue. - Draker (Eugene, OR) 12:37:21 04/24/12 When I talked to SZ months ago their guess for a different - treese88 15:25:40 04/24/12 You should check your fuel pressure, - MeatMan - 604Z.ca - 13:10:02 04/24/12 Thats what I thought at first..so I first pressure tested - treese88 15:17:55 04/24/12 what do you consider "significantly"? (n/m) - fuzzymonkey 14:22:07 04/24/12 Significantly is probably not the right word. If I'm idling - treese88 15:21:43 04/24/12 Sounds like an issue with timing. Are your MAF(s), TPS and - Gordo 93TT Daytona 19:52:08 04/24/12 Yep those are all good (they've been swapped). Stock - treese88 20:29:19 04/24/12 I would take another look at the timing as well. - Draker (Eugene, OR) 00:27:43 04/25/12 My cas is 15 dead center :/ darn - treese88 07:40:02 04/25/12 Good luck. Keep us posted. (n/m) - Draker (Eugene, OR) 17:37:10 04/25/12 My CAS is off to one side as well. - rojoloco (VA Beach) 06:59:31 04/26/12 Skipped tooth worst case. Also my timing light would get two - treese88 09:29:17 04/26/12 When it is in the center, it runs for crap. - rojoloco (VA Beach) 10:46:35 04/26/12 On all TT i have owned the cas has never been centered - toykoz32 22:40:18 04/26/12 It was pretty muh dead center on my last motor. - rojoloco (VA Beach) 05:21:00 04/27/12 I had the same problem . . once i sync'd the throttle - toykoz32 01:07:37 04/25/12 I remember seeing a write-up somewhere IIRC. - rojoloco (VA Beach) 07:00:10 04/26/12 Best one I found was related to syncing z1 tb's. Aafter I - treese88 09:25:27 04/26/12 Did this yesterday. Good recommendation and helped a little - treese88 09:22:48 04/26/12 Did you also get the slack out of the accelerator cable? (n/m) - toykoz32 16:10:50 04/28/12 It was already properly adjusted, forgot to mention. - treese88 19:35:51 04/28/12 I have the same problem. - rojoloco (VA Beach) 07:04:18 04/26/12 Very similar except I'm rich...and not moneywise! - treese88 09:35:57 04/26/12 I can try it out since it is easy. - rojoloco (VA Beach) 10:49:02 04/26/12 After adjusting the TB'S and then the TPS the dip appears to - treese88 13:47:42 04/30/12
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