How (and why) to Ramble On your domestic shorthair - Page 804 - Miata Turbo Forum -Boost cars, acquire cats.

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Old 03-01-2013, 02:59 PM   #16061
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Quote:
Originally Posted by Gryff View Post
your hardtop (...) is not worth 800 dollars...
Thats the lowest price T have seen for a hardtop locally in close to 1.5 years
If $800 is the lowest price you have seen for a hardtop in your area in 1.5 years, then it would appear that local market forces dictate that the value of this hardtop is $800.



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You let Braineack work on it, didn't you.
No, you misunderstood. I said that it seems to work properly now, not that it crashed backwards into a telephone pole and is now totaled.
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Old 03-01-2013, 03:10 PM   #16062
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If $800 is the lowest price you have seen for a hardtop in your area in 1.5 years, then it would appear that local market forces dictate that the value of this hardtop is $800.
I unfortunately know that... Doesnt make me want to pay that much for one any more than I did prior.
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Old 03-01-2013, 03:28 PM   #16063
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No, you misunderstood. I said that it seems to work properly now, not that it crashed backwards into a telephone pole and is now totaled.



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Old 03-01-2013, 03:36 PM   #16064
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I wonder if maybe it really is the fuel system...

We know for a fact that my fueling went a tad lean about a week ago, since the car started pinging at high load. I re-scaled the VE table, and that fixed it.

Now, I've got an intermittent "idles poorly, requires much more injector duration than usual at idle, and has no low-end torque" problem.

And yet it runs (ran?) just fine at high RPM and high load. A fuel system problem would get worse, not better, as load increases.

Wouldn't it?
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Old 03-01-2013, 04:23 PM   #16065
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Quote:
Originally Posted by Joe Perez View Post
If $800 is the lowest price you have seen for a hardtop in your area in 1.5 years, then it would appear that local market forces dictate that the value of this hardtop is $800.



No, you misunderstood. I said that it seems to work properly now, not that it crashed backwards into a telephone pole and is now totaled.
Quote:
Originally Posted by Joe Perez View Post
I wonder if maybe it really is the fuel system...

We know for a fact that my fueling went a tad lean about a week ago, since the car started pinging at high load. I re-scaled the VE table, and that fixed it.

Now, I've got an intermittent "idles poorly, requires much more injector duration than usual at idle, and has no low-end torque" problem.

And yet it runs (ran?) just fine at high RPM and high load. A fuel system problem would get worse, not better, as load increases.

Wouldn't it?
I think YOU misunderstood.

You will keep having this problem. You won't be able to find the source. It'll haunt you until you weep. It'll come back just as soon as you forget it even existed.
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Old 03-01-2013, 04:39 PM   #16066
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You will keep having this problem. You won't be able to find the source. It'll haunt you until you weep. It'll come back just as soon as you forget it even existed.
It tasks me. It tasks me and I shall have it!

I'll chase this problem 'round the moons of Nibia and through the Antares Maelstrom and 'round Perdition's flames before I give it up!
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Old 03-01-2013, 04:57 PM   #16067
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There's your answer: Ceti eels.
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Old 03-01-2013, 05:29 PM   #16068
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Stupid question: have you changed the fuel filter?
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Old 03-01-2013, 08:08 PM   #16069
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Quote:
Originally Posted by Scrappy Jack View Post
There's your answer: Ceti eels.
What, you think I'm a fool? I kept the helmet on.


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Originally Posted by rleete View Post
Stupid question: have you changed the fuel filter?
Not a stupid question at all, and no, I have not.

I suspected the fuel filter last weekend, when the mixture started going lean and I was getting some knock at high load. At that time, I did not experience any symptoms at low load, and all logged parameters were perfectly normal at idle.

After bumping the VE table, operation appeared entirely normal for several days. Then symptom #2 hit, which was a sudden onset torquelessness at low RPM, and highly abormal logged data at idle. However, the vehicle did not experience any difficulties at higher RPM (including WOT), nor was the fuel mixture lean at any point.


I have a replacement fuel filter sitting here on my workbench, along with a fuel pressure gauge and a complete timing-belt kit. They're all going on.
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Old 03-01-2013, 08:35 PM   #16070
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Here's a deal on the local Miata site: 2002 Sport Package (big brakes, torsen, 6speed) for sale $3,750

Right quarter and door is dented. 189k mi.





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Old 03-01-2013, 08:49 PM   #16071
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I really want this. Can't afford it. Boo hoo.

1999 miata

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Old 03-01-2013, 09:38 PM   #16072
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'mkay, so I'm in some place called Eden Penn. Decided to get a hotel room. Which way do I go in the morning?
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Old 03-02-2013, 03:41 AM   #16073
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Joe have you checked the engine coolant temperature sensor and its connections. If it thinks its overheating sporadically it should go way rich or limp mode temporarily. Just something to check. Code po171 system too lean
Code po172 system to rich.
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Old 03-02-2013, 09:40 AM   #16074
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'mkay, so I'm in some place called Eden Penn. Decided to get a hotel room. Which way do I go in the morning?
Outside
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Old 03-02-2013, 10:28 AM   #16075
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Can we ban anyone who races Spec Miata from the forum?
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Old 03-02-2013, 10:36 AM   #16076
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rofl. I hate when people even suggest doing mods cause spec miata does it.
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Old 03-02-2013, 11:48 AM   #16077
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Originally Posted by old school View Post
Joe have you checked the engine coolant temperature sensor and its connections. If it thinks its overheating sporadically it should go way rich or limp mode temporarily. Just something to check. Code po171 system too lean
Code po172 system to rich.
This is a 1990 with an MS3. Pretty sure it's not throwing any OBD-II codes.

The datalogs, however, show normal readings from all sensors.

Going back through some history, they also show that I've been experiencing higher-than-normal MAP at idle for a while now, even though I hadn't noticed any obvious symptoms.
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Old 03-02-2013, 02:08 PM   #16078
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Advance Auto has Rotella T6 right now for $11.09 for the first gallon (after mail-in/online rebate), and $16.09 for every gallon after that. Free in store pickup.

Shell Rotella T6 Fully Synthetic Motorcycle Motor Oil (1 Gallon) for $11.09 AR @ Advance Auto Parts - Slickdeals.net
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Old 03-02-2013, 02:39 PM   #16079
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nice. too bad i don'tneed anychanges in any cars right now.
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Old 03-02-2013, 03:36 PM   #16080
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Joe, do you still have a cat in your car?

As in, a rolling chunk of cat guts intermittently blocking flow.
I mean, you said high MAP readings.
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