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Search took 0.01 seconds. Search: Posts Made By: Natrix
Forum: Engine & Drivetrain 01-08-2023, 01:13 PM
Replies: 15
Views: 1,780
Posted By Natrix
Update Yesterday, I took apart the bank 1...

Update
Yesterday, I took apart the bank 1 intake to inspect the throttle body valve. Everything looked fine, and it was moving freely. Just to be sure, I wiped the surfaces clean with some...
Forum: Engine & Drivetrain 01-06-2023, 01:58 AM
Replies: 15
Views: 1,780
Posted By Natrix
Update I decided none of the other items in the...

Update
I decided none of the other items in the rough idle symptom table were likely causes, so I put the UIM back on with a new gasket. Before installing, I carefully cleaned the LIM surface with...
Forum: Engine & Drivetrain 01-06-2023, 01:37 AM
Replies: 9
Views: 1,227
Posted By Natrix
Ok. Just wondering if you had been having the...

Ok. Just wondering if you had been having the P0300 issue since you purchased the car.

Those plastic parts are listed in the FSM as part of the intake air ducts (see attached snapshot). If yours...
Forum: Engine & Drivetrain 01-03-2023, 10:06 AM
Replies: 15
Views: 1,780
Posted By Natrix
This person replaced the flywheel, clutch, slave...

This person replaced the flywheel, clutch, slave cylinder, and CKP (crankshaft position sensor), and claims the issue was resolved for them:
...
Forum: Engine & Drivetrain 01-03-2023, 09:52 AM
Replies: 15
Views: 1,780
Posted By Natrix
Thanks for the suggestion. I will take a look...

Thanks for the suggestion. I will take a look once the fuel level is lower (I just filled up recently, and it's at about 90% full).
Forum: Intake/Exhaust 01-03-2023, 01:13 AM
Replies: 32
Views: 11,903
Posted By Natrix
I have an oil cooler as well, but had the P0300...

I have an oil cooler as well, but had the P0300 issue before installing it (and after). I don't think that is the problem.
Forum: Engine & Drivetrain 01-03-2023, 12:59 AM
Replies: 9
Views: 1,227
Posted By Natrix
Any updates? I'm having the same issue (stock...

Any updates? I'm having the same issue (stock ECU/tune, though).

http://www.the370z.com/engine-drivetrain/138452-p0300-saga.html

EDIT: You're the 4th person with a 40th Anniversary (including...
Forum: Engine & Drivetrain 01-03-2023, 12:57 AM
Replies: 17
Views: 6,268
Posted By Natrix
Welcome to the P0300 club! :hello: Feel free...

Welcome to the P0300 club! :hello:

Feel free to take a look at my diagnosis for the same issue, and maybe we can learn from one another:...
Forum: Engine & Drivetrain 01-03-2023, 12:52 AM
Replies: 15
Views: 1,780
Posted By Natrix
Further down the rabbit hole...another thread...

Further down the rabbit hole...another thread linked in one I already posted. This one involves Nissan buying back someone's Z because they couldn't figure it out, Nissan engineers adding ground...
Forum: Engine & Drivetrain 01-03-2023, 12:18 AM
Replies: 15
Views: 1,780
Posted By Natrix
Link to another thread related to P0300 on cold...

Link to another thread related to P0300 on cold starts:

http://www.the370z.com/engine-drivetrain/44411-p0300-cold-mornings.html

One person there reported a failed bearing related to oil system...
Forum: Engine & Drivetrain 01-03-2023, 12:11 AM
Replies: 15
Views: 1,780
Posted By Natrix
Update Last night and today, I pulled off the...

Update
Last night and today, I pulled off the upper intake manifold and checked power and ground to each fuel injector connector, then confirmed that each injector resistance was within spec. All...
Forum: Engine & Drivetrain 01-02-2023, 11:55 AM
Replies: 15
Views: 1,780
Posted By Natrix
The flywheel and engine mounts are stock. That...

The flywheel and engine mounts are stock. That is good thinking, though.
Forum: Engine & Drivetrain 01-01-2023, 11:16 PM
Replies: 15
Views: 1,780
Posted By Natrix
Thanks for the input! I did check resistance...

Thanks for the input!

I did check resistance across t3 and t4 on both upstream O2 sensors, and they were in spec. They also output the ”correct” voltage range at idle, at least according to one...
Forum: Engine & Drivetrain 01-01-2023, 06:26 PM
Replies: 15
Views: 1,780
Posted By Natrix
This thread in our forum documents two cases...

This thread in our forum documents two cases where a faulty ECM/ECU was the cause of misfiring:

http://www.the370z.com/engine-drivetrain/130153-p0302-cylinder-misfire.html

I find it interesting...
Forum: Engine & Drivetrain 01-01-2023, 06:21 PM
Replies: 15
Views: 1,780
Posted By Natrix
Another helpful post about P0300 diagnosis from...

Another helpful post about P0300 diagnosis from our friends over on the My350Z page: https://my350z.com/forum/maintenance-and-repair/379042-rough-idle-and-po300-code.html
Forum: Engine & Drivetrain 01-01-2023, 05:53 PM
Replies: 15
Views: 1,780
Posted By Natrix
Related Links Accel pedal position, throttle...

Related Links
Accel pedal position, throttle valve position, and idle air volume relearning walkthrough: https://www.youtube.com/watch?v=HIiaF0VaTlQ (also found on page EC-14 in FSM)

OBD II PID...
Forum: Engine & Drivetrain 01-01-2023, 05:49 PM
Replies: 15
Views: 1,780
Posted By Natrix
Exclamation The P0300 Saga

I decided it was time to document this issue that my 370Z has had ever since I purchased it back in 2019. I hope others with the same problem find it helpful in some way. The issue has yet to be...
Forum: Parts for sale (Private Classifieds) 12-29-2021, 01:46 AM
Replies: 0
Views: 623
Posted By Natrix
Arrow Soul Function 6-Point Mid-Chassis Brace

Willing to pick up within SoCal. Otherwise, will pay for shipping. Thanks!
Forum: Nismo 370Z 12-20-2021, 05:39 PM
Replies: 13
Views: 3,688
Posted By Natrix
Update: the 6-point mid chassis brace is...

Update: the 6-point mid chassis brace is discontinued, according to Z1. Still waiting for a reply from Soul Function. I asked about the front tie bar and lateral braces, but there is a note on Z1’s...
Forum: Nismo 370Z 12-19-2021, 07:22 PM
Replies: 13
Views: 3,688
Posted By Natrix
I just ordered the full set of underbody braces...

I just ordered the full set of underbody braces from Soul Function through Z1. Personally, I love the color, although it clashes with my red calipers, Koni yellow dampers, and Eibach bars (good...
Forum: Brakes & Suspension 11-24-2021, 01:35 AM
Replies: 23
Views: 5,849
Posted By Natrix
Thoughts on Eibach and Vehicle Dynamics

I know I am reviving this thread from the dead, but felt the need to share a few thoughts after reading through all the posts...

Key Points

For the street, my impression is that the stiffer...
Forum: Brakes & Suspension 10-13-2021, 09:32 PM
Replies: 46
Views: 47,288
Posted By Natrix
I know this post is ancient, but it is one of the...

I know this post is ancient, but it is one of the most detailed, thoughtfully-written, and informed explanations about dampers that I have ever encountered. From a chassis design engineer, I thank...
Showing results 1 to 22 of 22

 
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