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****** reading codes on '95
hi guys,
its been awhile, i been up to my eyeballs in optician school which is almost over. swmbo's 95 m-ed is throwing a code and i forget how to get the lite to blink out the codes. i thought it was jump 10 & grd but alas it isnt, any hint? tia, peter |
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#2
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****** reading codes on '95
On 4/19/2011 7:34 AM, peter wrote:
> hi guys, > > its been awhile, i been up to my eyeballs in optician school which is > almost over. > > swmbo's 95 m-ed is throwing a code and i forget how to get the lite to > blink out the codes. > i thought it was jump 10& grd but alas it isnt, any hint? > > tia, > peter Try Miata.net |
#3
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****** reading codes on '95
On Apr 19, 2:04*pm, charlie > wrote:
> On 4/19/2011 7:34 AM, peter wrote:> hi guys, > > swmbo's 95 m-ed is throwing a code and i forget how to get the lite to > > blink out the codes. > > i thought it was jump 10& *grd but alas it isnt, any hint? > > Try Miata.net it was indeed 10/grd but warm car up, turn off, turn key to on but dont start, watch the blinks. code 17 o2 sensor. i thi k i put a bosch o2 unit it before i found out they are not the best. what brands are better? thanks, peter |
#4
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****** reading codes on '95
On 4/22/2011 9:35 AM, peter wrote:
> On Apr 19, 2:04 pm, > wrote: >> On 4/19/2011 7:34 AM, peter wrote:> hi guys, >>> swmbo's 95 m-ed is throwing a code and i forget how to get the lite to >>> blink out the codes. >>> i thought it was jump 10& grd but alas it isnt, any hint? >> >> Try Miata.net > > it was indeed 10/grd but > warm car up, turn off, turn key to on but dont start, watch the > blinks. > code 17 o2 sensor. > i thi k i put a bosch o2 unit it before i found out they are not the > best. what brands are better? > > thanks, > peter What I found was that some Bosch alternate part#'s were better than others. However, that was with four wire sensors. If you get into using the aftermarket replacement sensors, it's a good idea when you still have problems to make sure that the old and new sensors have a reasonable match. On the 99 NB's, the sensor response times can cause problems in the test cycle. The 95 NA's should not be as picky. I had a "slow" front sensor, and a "normal" rear sensor. There were intermittent codes set, claiming the Cat efficiency was bad. Replacing the front sensor seemed to make a big difference, but a Cat efficiency code would still set on a rare and intermittent basis. The output voltage on the bad front sensor was well within spec. The usual failure circumstances involved a fail during the morning run to work, or the next morning at low speed after a five hundred mile run on interstate 75. The whole problem turned out to be one of those combinations that are a pain to deal with. When all was said and done - - New coil packs finally eliminated the very occasional Cat efficiency codes. The only direct symptom of a possible bad coil pack was a slightly rough "feel" at an RPM/power/load setting that is transient as gears and throttle settings change. No coil related codes were set. One of the issues was that a new Cat would make the Cat efficiency code go away until it was fully "broken in". |
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