Subject	Possible fuel issue? I feel the same pulsing in my seat as
Posted by	Attridge_300ZX on May 29, 2013 at 7:39 AM
	This message has been viewed 299 times.
Message	you would when you have a bad injector. However all my injectors check out good with the OHMS test. Sometimes when I turn my car off, the fuel pump primes for a long time. (Over a minute) Another symptom, about every 10 seconds I hear a miss, or blip through the exhaust. It's hard to describe the sound. I'm not sure if these issues are all related or not? I want to know what I can do to diagnose my issues. I don't have any ECU codes, I've cleaned the connectors on my injectors, coil packs, TPS, PTU, MAF.
Follow Ups	Possible fuel issue? I feel the same pulsing in my seat as - Attridge_300ZX 07:39:43 05/29/13 Did you do the heated o2 sensor test? - 300ZMang 09:12:27 05/29/13 They're brand new O2's, just installed them last night. As - Attridge_300ZX 10:09:42 05/29/13 Ok, how about spark plugs, what kind and age? - 300ZMang 11:05:54 05/29/13 They're NGK PFR6B-11B gaped to .035" probably 3 years old (n/m) - Attridge_300ZX 12:58:02 05/29/13 What brand O2? OEM, NGK, ? Even though new check the >> - ZUL8TR 10:16:54 05/30/13 They're Bosch, ordered from Concept Z. They're sweeping - Attridge_300ZX 12:29:15 05/30/13 Swing is OK but the voltage swing is more important>> - ZUL8TR 07:04:16 06/02/13 Ok I'll check the voltage (n/m) - Attridge_300ZX 16:58:53 06/02/13 Also.... even though your injectors OHM out correctly - 300ZMang 09:13:02 05/29/13 Also with Nissan data scan it doesn't fluctuate between - Attridge_300ZX 14:07:16 05/29/13 Once fully warm the O2 sensors should fluctuate. - Tanley 19:07:31 05/29/13 Oh ok, my O2's probably weren't warm yet. Did a boost leak - Attridge_300ZX 23:29:09 05/29/13 Why is your fuel pump priming when you turn off - njz 05:24:57 05/30/13 I don't know why, that's why I'm asking (n/m) - Attridge_300ZX 06:36:44 05/30/13 Mine did that too - 300ZMang 07:19:16 05/30/13 I have a fairly new OEM gas cap as well (n/m) - Attridge_300ZX 09:38:29 05/30/13 Re: Possible fuel issue? I feel the same pulsing in my seat as - ALee 22:34:47 05/31/13 I'll have a look at the spark plugs than (n/m) - Attridge_300ZX 16:58:28 06/02/13
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