Subject	Did smoke test include the engine. Intake leak check.
Posted by	mrchips on October 31, 2021 at 6:38 AM
	This message has been viewed 205 times.
In Reply To	Updates: Tried a few more things today. posted by Woody75 (Denver) on October 30, 2021 at 11:47 AM
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Follow Ups	Need help with low rpm engine stumble issue. - Woody75 (Denver) 18:06:17 10/26/21 Re: Need help with low rpm engine stumble issue. - Metacom 19:42:01 10/26/21 Also... - Metacom 19:54:47 10/26/21 Aftermarket vacuum gauge in the car reads where it should. - Woody75 (Denver) 22:28:48 10/26/21 Re: Aftermarket vacuum gauge in the car reads where it should. - Metacom 22:56:28 10/26/21 Ok, thats pretty much what we have then. - Woody75 (Denver) 08:27:18 10/27/21 Re: Ok, thats pretty much what we have then. - Metacom 14:23:56 10/27/21 Vacuum test details here that Metacom refers to>>>>>>>> - ZUL8TR 04:36:34 10/27/21 ECU was swapped out. - Woody75 (Denver) 22:27:20 10/26/21 Re: ECU was swapped out. - Metacom 14:22:08 10/27/21 Power balance test. - Woody75 (Denver) 14:51:14 10/27/21 Replace the VTC gears & solenoids, redo timing. - Bernie (NoVA) 00:44:03 10/27/21 VTC gears tested good. - Woody75 (Denver) 11:01:56 10/28/21 Re: VTC gears tested good. - Metacom 13:59:01 10/28/21 Re: Re: VTC gears tested good. - Metacom 14:06:24 10/28/21 Wiring harness. - scorp997 15:33:23 10/28/21 I tested the harness from the ECU to each injector. - Woody75 (Denver) 15:55:38 10/28/21 Possibly fuel pump controller low or mid speed not - LitlElvis 11:54:18 10/27/21 Wouldnt that show in the fuel pressure readings? (n/m) - Woody75 (Denver) 14:40:46 10/27/21 Probably - wasn't sure if you were monitoring fuel pressure - LitlElvis 13:43:27 10/28/21 I said this too but Woody didn't believe me. (n/m) - Bernie (NoVA) 00:20:35 10/28/21 Neither did Mike :) (n/m) - Woody75 (Denver) 09:47:01 10/28/21 Update: Put in different FPC, no change. (n/m) - Woody75 (Denver) 11:39:36 10/30/21 Check out this post from a Z31 owner, similar symptoms - Polishzx 00:09:53 10/28/21 After thinking over this for awhile I'm going to toss - Ghoztt (MD) 15:23:24 10/28/21 Does the car have an EGR valve? (n/m) - mrchips 07:23:38 10/30/21 Actually I just played with that this morning. - Woody75 (Denver) 11:41:27 10/30/21 Updates: Tried a few more things today. - Woody75 (Denver) 11:47:22 10/30/21 Did smoke test include the engine. Intake leak check. - mrchips 06:38:07 10/31/21 Yes, smoke test from the intake tube. - Woody75 (Denver) 11:03:11 10/31/21 Your symptoms sound similar to what I've been - black300zx 16:59:12 11/06/21 Another update: - Woody75 (Denver) 09:27:47 11/08/21 Brutal... Could you try testing fuel pressure in some other - Polishzx 02:05:39 11/09/21
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