[Miata] High RPM miss

[Larry Alster]

Code 1 has to do with the igniter for the coils and the wiring for it.

Code 3 has to do with the CAS and it's wiring.

If you don't have a Enthusiast's Manual I'd suggest getting one as they have 
step by step tests in it for problems like this.

http://www.amazon.com/exec/obidos/ASIN/1845840836/miatanet




Larry

White Knight      1991 Crystal White   #99 CSP
Silver Bullet        1992 Silverstone     #17 SM2  FM I+ Turbo
Honey B             1992 Sunburst Yellow #99 SM2L  JR Supercharger
Whooosh           2004 Titanium Mazdaspeed MX-5

LowCountry Miata  http://www.lowcountrymiataclub.net
Masters Miata
RAGS 074
----- Original Message ----- 
From: "Ron Zander" <rzander01 at comcast.net>
To: "Miata (E-mail)" <miata at realbig.com>
Sent: Tuesday, August 07, 2007 12:30 AM
Subject: Re: [Miata] High RPM miss


> So I pulled the codes, two of them separated by 4 seconds:
> 1 Ignition pulse
> 3 G signal
>
> Those two codes kept repeating. So what do they mean? Ignition pulse
> kind of indicates an ignition problem, but I'm not sure what exactly.
> But G signal?? What is that?
>
>
> On Aug 6, 2007, at 6:32 PM, Larry Alster wrote:
>
>> http://www.miata.net/garage/faultcodes.html
>>
>>
>> Larry
>>
>> White Knight      1991 Crystal White   #99 CSP
>> Silver Bullet        1992 Silverstone     #17 SM2  FM I+ Turbo
>> Honey B             1992 Sunburst Yellow #99 SM2L  JR Supercharger
>> Whooosh           2004 Titanium Mazdaspeed MX-5
>>
>> LowCountry Miata  http://www.lowcountrymiataclub.net
>> Masters Miata
>> RAGS 074
>> ----- Original Message -----
>> From: "Ron Zander" <rzander01 at comcast.net>
>> To: <miata at realbig.com>
>> Sent: Monday, August 06, 2007 9:20 PM
>> Subject: Re: [Miata] High RPM miss
>>
>>
>>> I wasn't aware a '92 did store engine codes. How do I get the code
>>> from it?
>>> I'll agree it could be the filter but it is so predictable and
>>> exactly dead nuts on at 6200 rpm, it really feels like spark. Of
>>> course a fuel filter is a helluva lot cheaper.
>>> Now about the codes.....
>>>
>>>
>>> On Aug 6, 2007, at 6:10 PM, Larry Alster wrote:
>>>
>>>> Well the first thing is to check the engine code that is stored by
>>>> the event.
>>>>
>>>> 2nd, change the fuel filter.  Your saying it was changed at 92k
>>>> like it's a reasonable amount of time ago.  Your talking more than
>>>> 40k ago.  The manual for the 2004 Miata says change the fuel filter
>>>> every 25k.
>>>>
>>>>
>>>> Larry
>>>>
>>>> White Knight      1991 Crystal White   #99 CSP
>>>> Silver Bullet        1992 Silverstone     #17 SM2  FM I+ Turbo
>>>> Honey B             1992 Sunburst Yellow #99 SM2L  JR Supercharger
>>>> Whooosh           2004 Titanium Mazdaspeed MX-5
>>>>
>>>> LowCountry Miata  http://www.lowcountrymiataclub.net
>>>> Masters Miata
>>>> RAGS 074
>>>> ----- Original Message ----- From: <rzander01 at comcast.net>
>>>> To: <miata at realbig.com>
>>>> Sent: Monday, August 06, 2007 8:57 PM
>>>> Subject: [Miata] High RPM miss
>>>>
>>>>
>>>>> I tried to post earlier but I don't think it made it here so I'll
>>>>> try again.
>>>>>
>>>>> My '92 with 135k has a real bad miss at 6200 rpm. It feels just
>>>>> like a rev limiter on a late model car, it drops spark and will
>>>>> not go past 6200 rpm. The engine light flashes when it's doing
>>>>> this too. I changed plug wires last weekend but that didn't help.
>>>>> It used to only do it once in a while but now it's pretty much
>>>>> reproducible. It runs perfectly below that rpm and pull hard right
>>>>> up to 6200, then BAM it drops spark and flashes the check engine.
>>>>> Anyone have any ideas? I'm leaning towards weak coil packs at this
>>>>> point.
>>>>>
>>>>> The fuel filter was changed at about 92k but it really feels like
>>>>> spark.
>>>>>
>>>>> Thanks,
>>>>> Ron
>>>>> Rosa ('92 Red with a nasty cough at 6200 rpm)
>>>>> _______________________________________________
>>>>> Miata mailing list
>>>>> Miata at list.realbig.com
>>>>> http://list.realbig.com/mailman/listinfo/miata
>>>>
>>>
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