[Tech] Check Engine Code P1170 - Mazda Forum
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post #1 of 19 (permalink) Old 04-22-2006, 07:26 PM Thread Starter
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My check engine light came on last night and today I found out that this is the code. It has something to do with the air to fuel ratio. I am going to the dealer on Monday but I wanted to see if any of you guys had any experience with this. Thanks.
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post #2 of 19 (permalink) Old 04-22-2006, 08:51 PM
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My check engine light came on last night and today I found out that this is the code. It has something to do with the air to fuel ratio. I am going to the dealer on Monday but I wanted to see if any of you guys had any experience with this. Thanks.
[/b]
on a 99s, 1170 is oxygen sensor malfunction, frt rh. there is a myriad of possible causes. i would erase the code, and see if it comes back. usually, on o2 sensors, they start to die. they will throw a code, but when erased, it stays off for quite a while. then, it comes back on, erase, stays off, but probably shorter time, repeat, and the intervals get shorter and shorter. eventually, you gotta change it, but you usually got quite a while. what happens when you take it to the dealer, is they immediatly try to get you to buy a sensor. another reason to get a good code reader, that has the ability to erase. i have gotten an sensor code about 4 times now in the last year, and after erasing, it stays off for a long time. when the time intervals get really short, i will change it.
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post #3 of 19 (permalink) Old 04-23-2006, 02:05 AM Thread Starter
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So I need a code reader to erase? Ok, I see I will have to invest in one. I have 97 base model also.
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post #4 of 19 (permalink) Old 04-23-2006, 04:08 AM
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I believe Autozone and O'Reillys will check and read codes for free.

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post #5 of 19 (permalink) Old 04-23-2006, 12:04 PM
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I believe Autozone and O'Reillys will check and read codes for free.
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this is true. the reason i got one, is because i want to know NOW. also, the zone balked at erasing the code. i know from past experience that o2 sensors dont just crap out, they die slowly. if you take the car to a shop/dealer with the ce lite on for an o2, they will try to sell you the sensor, and will NOT erase the code. most independents(at least the ones I work with) will make a note of the code, erase it, and test drive. if the ce dont lite, they will like put a note in the glovebox, or somewhere that they can reference back to. then, if the car comes back for the same code at a later date, they can make a better decision. or, tell you it is a dying sensor, and you need to get it done pretty soon. misfire codes is another one. it might just need plugs, plug boots, etc, or, when erased, it might go away. but, if you take it in with the ce lite on, the dealer will try to sell you work/parts. dont IGNORE the ce lite, like some do, then it might make other things happen, and get worse.
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post #6 of 19 (permalink) Old 04-23-2006, 08:04 PM Thread Starter
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Yeah, im not going to ignore it, I have an appointment with the dealer tomorrow. Something isnt right because the engine now stutters and idles rough, that just started today and the CE light came on friday. It shifts a little rough too.
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post #7 of 19 (permalink) Old 04-24-2006, 01:39 PM
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let the dealer diagnois the problem but take it somewhere else, they will rape your milly with labor charges for popping the hood, oh and parts have a triple mark-up. Get a code reader and find a reliable local mechanic will save you a lot of money.

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post #8 of 19 (permalink) Old 04-25-2006, 03:33 AM
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My check engine light came on last night and today I found out that this is the code. It has something to do with the air to fuel ratio. I am going to the dealer on Monday but I wanted to see if any of you guys had any experience with this. Thanks.
[/b]


P1170 ESO - Engine Shut Off Solenoid Fault
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post #9 of 19 (permalink) Old 04-25-2006, 09:59 AM
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P1170 ESO - Engine Shut Off Solenoid Fault
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where do you get THAT from? my 99 manual shows rh oxygen sensor inversion, for both 2.3 and 2.5.
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post #10 of 19 (permalink) Old 04-25-2006, 11:30 AM Thread Starter
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It was the right side O2 sensor and I needed a solenoid valve. I took it to the dealer knowing they would bang me in the head on labor but i wanted it done right.
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