Error Code P1195 - mass air flow sensor? - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
 
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#1 Old 05-22-2006, 10:46 AM
chrisk
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Error Code P1195 - mass air flow sensor?

My check engine light recently came on and was giving the error code P1195, which I believe to be a problem with the mass air flow sensor. I've heard stories of these going bad on other cars and people fixing it themselves. This, and seeing pictures of the actual part lead me to believe it isn't that hard to replace. Has anyone ever replaced one and can provide any tips?
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#2 Old 05-22-2006, 01:10 PM
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Our trucks don't use Mass Air - they're Speed-Density. I'll see if I can find some more info on that code for you

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#3 Old 05-22-2006, 01:37 PM
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That code is an o2 sensor code:

P1195 - 1/1 O2S Slow During Catalyst Monitor

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#4 Old 05-22-2006, 02:10 PM
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Silver beat me too it


- looks like you need an oxygen sensor

ED
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#5 Old 05-22-2006, 07:11 PM
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Cool, thanks to you both. I'm looking on AutoZone's website and they have two sensor, one for before the cat and one for after. Any ideas which one it would be?

Edit: Well it looks like both links take me to the same part. I just need to see which one of them is bad...
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#6 Old 05-22-2006, 11:32 PM
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1/1 means Bank 1 Sensor 1. This would be the one closest to the engine on the driver's side.

Here's some info:

SYMPTOM
P-1195 SLOW 1/1 O2S DURING CATALYST MONITOR

WHEN MONITORED
With the engine running, coolant > 170 degrees F , open throttle, steady to slightly increasing vehicle speed > 18MPH < 55MPH , with a light load on the engine for a period no less than five minutes .

SET CONDITION
The oxygen sensor signal voltage is switching form below 0.39 volt to above 0.6 volt and back fewer times than required.

POSSIBLE CAUSES

* 1/1 Oxygen sensor ground circuit open
* Engine fluid consumption
* 1/1 Oxygen sensor connector observable defect
* 1/1 Oxygen sensor defective
* Exhaust system leaking
* PCM connector observable defect

Might not be the O2 sensor, though with a "slow" code it usually is. Hope this helps.

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