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Search took 0.04 seconds; generated 69 minute(s) ago. Search: Posts Made By: Jhill
Forum: Engine & Drivetrain 10-25-2017, 03:02 PM
Replies: 33
Views: 29,828
Posted By Jhill
I have not checked but does Nissan not have...

I have not checked but does Nissan not have misfire data? If not that truly sucks because it is extremely helpful. Maybe Nissan is hyper sensitive to misfire, better than ford where you can damn...
Forum: Engine & Drivetrain 10-20-2017, 12:20 AM
Replies: 81
Views: 14,879
Posted By Jhill
Hmm I’m kind of out of ideas for remote help. ...

Hmm I’m kind of out of ideas for remote help. Any chance the AC compressor is going out and just poor timing after the cooling service (I highly doubt it)? I’ve never seen one put extra load on the...
Forum: Engine & Drivetrain 10-19-2017, 09:05 PM
Replies: 81
Views: 14,879
Posted By Jhill
Oh I remember that post. So the overheating has...

Oh I remember that post. So the overheating has still not been fixed either? What reason did you change the mafs and clean throttle bodies etc? Did you ever do a block check on the cooling system?...
Forum: Engine & Drivetrain 10-19-2017, 08:22 PM
Replies: 81
Views: 14,879
Posted By Jhill
When did all this start? After replacing the...

When did all this start? After replacing the MAFs, cleaning throttle bodies etc or have you done all this because of this concern? It's not really looking like an injector issues as the two banks...
Forum: Engine & Drivetrain 10-19-2017, 08:06 PM
Replies: 81
Views: 14,879
Posted By Jhill
Well mine were just a screenshot not a log. My...

Well mine were just a screenshot not a log. My scanner has great control for whole vehicle including bi directional control but sadly doesn't log, I have to use Ecutek for that. Yours look like...
Forum: Engine & Drivetrain 10-19-2017, 03:50 PM
Replies: 81
Views: 14,879
Posted By Jhill
Ok so snap throttle does work. Slam throttle...

Ok so snap throttle does work.

Slam throttle hard accel onto freeway (didn’t get that cap) and than snap off throttle. Also a cruise shot where they stay fairly middle of range. Should react...
Forum: Engine & Drivetrain 10-19-2017, 02:47 PM
Replies: 81
Views: 14,879
Posted By Jhill
I have not used this method to test post cat but...

I have not used this method to test post cat but I’ve heard it still works even post cat (maybe a slower switch), you can make a vacuum leak and watch all sensors react to it, rears should go low...
Forum: Engine & Drivetrain 10-19-2017, 01:10 PM
Replies: 81
Views: 14,879
Posted By Jhill
All cars use the AF sensors for fuel trim. The...

All cars use the AF sensors for fuel trim. The mafs + rpm determine what cell on the map the car is in and the AF sensors give the feedback to verify the AF is matching the desired AF. What I was...
Forum: Engine & Drivetrain 10-19-2017, 02:17 AM
Replies: 81
Views: 14,879
Posted By Jhill
Interesting read. Apparently Nissan does not...

Interesting read. Apparently Nissan does not work like other cars in terms of their fuel trims.

How to read CONSULT printout? - Nissan Forum...
Forum: Engine & Drivetrain 10-19-2017, 01:23 AM
Replies: 81
Views: 14,879
Posted By Jhill
Ok so I went and tested my own and I think I have...

Ok so I went and tested my own and I think I have to apologize for leading you down a wrong path. Apparently Nissans absolutely will not run with the mafs disconnected, mine wouldn’t even start. I...
Forum: Engine & Drivetrain 10-18-2017, 10:44 PM
Replies: 81
Views: 14,879
Posted By Jhill
Well it won’t have a load calculation because it...

Well it won’t have a load calculation because it gets that through the mafs. Without any load calc it will run like alpha n (rpm&tps) and use a map they know will run from internal testing. This...
Forum: Engine & Drivetrain 10-18-2017, 07:32 PM
Replies: 81
Views: 14,879
Posted By Jhill
Probably won’t have time till the weekend to see...

Probably won’t have time till the weekend to see how the z responds to no maf signal so I can’t say for sure. Would really like to see a residual fuel pressure check and injector balance test on...
Forum: Engine & Drivetrain 10-18-2017, 04:19 AM
Replies: 81
Views: 14,879
Posted By Jhill
Yea the graph isn’t helping me much, it’s hard...

Yea the graph isn’t helping me much, it’s hard without being there to get a feel and then have the graph re affirm my suspicions side from that it only shows what’s happening and not really a “why”....
Forum: Engine & Drivetrain 10-17-2017, 09:26 PM
Replies: 81
Views: 14,879
Posted By Jhill
Well I'll have to disconnect my mafs to make sure...

Well I'll have to disconnect my mafs to make sure the z doesn't do something different than what I'm used to but from what I'm hearing is it's running really well at cruise load but issues at idle...
Forum: Engine & Drivetrain 10-17-2017, 08:46 PM
Replies: 81
Views: 14,879
Posted By Jhill
That's odd, I haven't tested this on the Z but...

That's odd, I haven't tested this on the Z but typically a car will default to safe mode that almost always runs smooth with no MAF reading (usually a good indicator if the MAF is bad if it's smooths...
Forum: Engine & Drivetrain 10-17-2017, 08:22 PM
Replies: 81
Views: 14,879
Posted By Jhill
How's it drive with both mafs disconnected?

How's it drive with both mafs disconnected?
Forum: Engine & Drivetrain 10-17-2017, 06:11 PM
Replies: 81
Views: 14,879
Posted By Jhill
Ok so your cruising numbers look good. Idle I...

Ok so your cruising numbers look good. Idle I would like a lower number but not terrible for ltft but the huge fluctuations in short term don’t look so good (although not a vq expert but that...
Forum: Engine & Drivetrain 10-17-2017, 04:06 PM
Replies: 81
Views: 14,879
Posted By Jhill
So what's stft and ltft after full warm and...

So what's stft and ltft after full warm and leveled out, idle and like a steady cruise, no radical acceleration etc.
Forum: Engine & Drivetrain 10-16-2017, 08:48 PM
Replies: 81
Views: 14,879
Posted By Jhill
Little hard to read, is this idling or driving? ...

Little hard to read, is this idling or driving? I was more just after seeing the short term % pegged - after a reset to idicate if you have an injector leaking or something else causing a large...
Forum: Wheels & Tires 10-15-2017, 10:40 AM
Replies: 11
Views: 1,881
Posted By Jhill
Love my 13 sports. I think they have changed...

Love my 13 sports. I think they have changed them again for 18, and they are ugly
Forum: Engine & Drivetrain 10-14-2017, 11:36 AM
Replies: 81
Views: 14,879
Posted By Jhill
If you do an ecm reset after warm how quickly and...

If you do an ecm reset after warm how quickly and how high (or low I guess) do the short term fuel trim jump? Meaning does it jump to something like -15 and keep pegging there as long term drops.
Forum: Engine & Drivetrain 10-14-2017, 03:05 AM
Replies: 81
Views: 14,879
Posted By Jhill
Does your baro reading at KOEO match your...

Does your baro reading at KOEO match your altitude?
Forum: Engine & Drivetrain 10-13-2017, 10:34 PM
Replies: 81
Views: 14,879
Posted By Jhill
How rich are we talking? If it’s constant and...

How rich are we talking? If it’s constant and high and truly an issue you should have a check engine light by now. You say it’s only from cold start so I would think you may have a slightly leaking...
Forum: Engine & Drivetrain 10-11-2017, 05:17 PM
Replies: 10
Views: 3,941
Posted By Jhill
He said once warm it’s 40psi at idle.

He said once warm it’s 40psi at idle.
Forum: Engine & Drivetrain 10-11-2017, 03:23 PM
Replies: 10
Views: 3,941
Posted By Jhill
Wow 40psi at idle? I guess these engine like...

Wow 40psi at idle? I guess these engine like high oil pressure.
Showing results 251 to 275 of 500
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