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  #1  
Old 03-27-2006, 09:15 PM
 
Join Date: Mar 2006
Posts: 14
Default 1996 Mazda 626 ES Codes

Ok just got back from Autozone again, here are the codes

P0304
P01173
P01195
P01402

Please break this down to me in very simple terms, like how much this appears to cost to fix and order of importance. Also, let me ask you this question. The car has some exterior damage, minimal, and it has 107,250 miles on it. Based on these 4 codes, is it honestly worth repairing?
Thanks
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  #2  
Old 03-27-2006, 11:32 PM
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Join Date: Sep 2005
Posts: 1,446
Default RE: 1996 Mazda 626 ES Codes

The first code P0304 which means cylinder misfire cylinder #4.
P1173 deals with the oxygen sensor.
P1195 deals with an EGR boost sensor.
P1402 deals with the EGR valve position sensor.

The first two codes I think are related, being as the O2 sensor is reading the problem with an engine misfire. You need to get the spark plugs and wires replaced to start with which might take care of about 80% of the problem.

The second two deal with the EGR valve (Exhaust Gas Recirculation). The EGR valve is most likely carboned up due to a cylinder misfire and engine not running well. This valve most likely needs replacement. But try the plugs before anything.

This does not sound like any major problem to fix. You might just end up with a great car soon!
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  #3  
Old 03-27-2006, 11:56 PM
 
Join Date: Mar 2006
Posts: 14
Default RE: 1996 Mazda 626 ES Codes

Thanks for the help!
Honestly, my friend just said basically word for word what you said! He even said the plugs could fix 80% of the problem!
Well this gives us some hope. We love the car and would really love to know the almost $3000 wasn't just burned away on a bad car.
Thanks again for everything, yall are awesome!!!
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  #4  
Old 03-28-2006, 10:46 PM
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Join Date: Jul 2005
Posts: 2,747
Default RE: 1996 Mazda 626 ES Codes

I think you are probably right on the P0304 and P1173 bkey. The specifics on the 1173 are for left bank front O2 signal remaining unchanged for 20 seconds after engine enters closed loop. If cylinder 4 is a dead miss then that O2 would be seeing a full lean condition every time that cylinder emptied fuel/oxygen charge into the exhaust.
Both the other codes are input voltage signal checks when the key is initially cycled. The 1195 boost code is a one type check of atmospheric or baro pressure using the boost sensor. After engine is running the signal is MAP signal and EGR flow check.
The 1402 is a test of the EGR position sensor. If sensor output voltage is below .2V or above 4.8V then the code will be set.
Plugs and wire set a good place to start before clearing codes and seeing what comes back.
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Old 03-28-2006, 10:46 PM
 
 
 
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1195, 1402, 1996, 626, 96, code, cylinder, fix, mazda, misfire, p01173, p0304, p1173, p1195, p1402


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