O2 sensor symptoms? P0134, crazy idle
#16
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iTrader: (3)
My P0134 code only seems to pop up at freezing temps. For example, when it was 37 outside, I did not get the code.
I don't really care about the code. If all I have to do is clear it the few times it pops up, then I'm cool with that. But, the idle and leaning out does bother me. Especially that idle because it affects the overall drive-ability of the car.
I just think there is a chance the issues are all connected. And if my exhaust does not leak, I don't know what else it could be besides the O2. I would like to take it in and have it replaced under warranty but I seriously doubt that would happen.
I don't really care about the code. If all I have to do is clear it the few times it pops up, then I'm cool with that. But, the idle and leaning out does bother me. Especially that idle because it affects the overall drive-ability of the car.
I just think there is a chance the issues are all connected. And if my exhaust does not leak, I don't know what else it could be besides the O2. I would like to take it in and have it replaced under warranty but I seriously doubt that would happen.
I get weird idle in my car too, mostly before the engine hits operating temperature. Once I get warmed up, my idle is normal. Mine occasionally goes high as well, but I couldn't tell you if my AF ratio is leaning out, since I don't have a gauge. I would venture to say my jumps are pretty normal. Of course, I don't get that weird quick bouncing idle like you do...
#17
Evolved Member
Thread Starter
They MIGHT replace under warranty...I doubt it too though. I didn't even bother to see what they said since they were going to charge me the diagnosis fee. I don't even have an aftermarket DP.
I get weird idle in my car too, mostly before the engine hits operating temperature. Once I get warmed up, my idle is normal. Mine occasionally goes high as well, but I couldn't tell you if my AF ratio is leaning out, since I don't have a gauge. I would venture to say my jumps are pretty normal. Of course, I don't get that weird quick bouncing idle like you do...
I get weird idle in my car too, mostly before the engine hits operating temperature. Once I get warmed up, my idle is normal. Mine occasionally goes high as well, but I couldn't tell you if my AF ratio is leaning out, since I don't have a gauge. I would venture to say my jumps are pretty normal. Of course, I don't get that weird quick bouncing idle like you do...
I don't know for sure, that's just what I was told. But if that is the case, maybe my O2 is just worst off than yours? If it is the O2, you might have some idle bounce in your future
I'm wondering if you take it to the dealer while you are showing a P0134 code, if that would be reason enough to change the O2 and if they wouldn't charge a diagnostic fee?
Selling something I presume?
#18
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iTrader: (3)
From what I was told, if the O2 sensor is going out, it will slowly get worst and worst. I guess it usually doesn't go from working correctly, to not working at all. It degrades with time.
I don't know for sure, that's just what I was told. But if that is the case, maybe my O2 is just worst off than yours? If it is the O2, you might have some idle bounce in your future
I'm wondering if you take it to the dealer while you are showing a P0134 code, if that would be reason enough to change the O2 and if they wouldn't charge a diagnostic fee?
I don't know for sure, that's just what I was told. But if that is the case, maybe my O2 is just worst off than yours? If it is the O2, you might have some idle bounce in your future
I'm wondering if you take it to the dealer while you are showing a P0134 code, if that would be reason enough to change the O2 and if they wouldn't charge a diagnostic fee?
#19
I got a CEL twice in the past 2 weeks. It poped up on cold starts. The outside temperature would range from 9F to 28F. The CEL would go away after a few days (restarted the car few time, drove the car 50 miles). Few days later I got the CEL again. It went go away by itself after a day.
I have a 2014 GSR with 5900 miles. I pulled the p0134 front 02 sensor inactive code. It looks like it might be weather related. Many people seem to have this issue with the weather being cold, even with new cars.
I have a 2014 GSR with 5900 miles. I pulled the p0134 front 02 sensor inactive code. It looks like it might be weather related. Many people seem to have this issue with the weather being cold, even with new cars.
#20
Evolved Member
Thread Starter
I'm not too worried about the code itself. I live in Texas and we have mild winters, and it will be Spring soon. I don't mind clearing an occasional code.
I'm more worried about the occasional idle issues I am getting. I am leaning towards the O2 issue being the cause because the idle gets crazy during closed loop when the car is using the O2 sensors to control fuel and idle.
I have also checked all my vacuum lines, my FP hose, changed out my FP relay, had the injectors flow tested, my fuel pump flow tested, tune rechecked, fuel pressure tested, exhaust leak tested. I did not have a vacuum/boost leak checked, but my LTFT's are good, so I don't think I have one.
I am switching my maps from E85, to pump for awhile. If I still get the code and my weird idle doesn't go away, I will probably give in and buy a new O2 sensor.
I'm more worried about the occasional idle issues I am getting. I am leaning towards the O2 issue being the cause because the idle gets crazy during closed loop when the car is using the O2 sensors to control fuel and idle.
I have also checked all my vacuum lines, my FP hose, changed out my FP relay, had the injectors flow tested, my fuel pump flow tested, tune rechecked, fuel pressure tested, exhaust leak tested. I did not have a vacuum/boost leak checked, but my LTFT's are good, so I don't think I have one.
I am switching my maps from E85, to pump for awhile. If I still get the code and my weird idle doesn't go away, I will probably give in and buy a new O2 sensor.
#22
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iTrader: (18)
I had this exact same thing happen. A chunk of ice hit the front of my car on the freeway, which broke my Greddy lip in half, and also hit my front O2 sensor and damaged a harness where it had been spliced. This took forever to figure out, I tried everything you did to troubleshoot. It would wildly fluctuate. Sometimes it would get water through a broken splice, which would short out the circuit and throw the car into open loop fueling and die. Sometimes it would be fine (dry days, turns out) Or, it would short and read super rich, which caused the ECU to pull fuel and slowly creep up, dot by dot, to 18-19 AFR and die. It sucked.
Anyways, I repaired the harness but still get a slow response so I ordered a new O2 sensor.
Amazon sells them for $92 bucks on Prime
Anyways, I repaired the harness but still get a slow response so I ordered a new O2 sensor.
Amazon sells them for $92 bucks on Prime
#23
Evolved Member
Thread Starter
#26
I have the exact same sysmptoms as you OP. Wierd idel bounce when pushing in the clutch and comming to a stop. With the cold (-15 to -27 Celsius here usually) I constantly get my CEL come on but my code is constantly P0137 oxygen sensor 2 bank 1 low volatage.
Im using an ETS test pipe and running cobb stage 3 OTS maps. If your figure out why it's doing this let me know!
Im using an ETS test pipe and running cobb stage 3 OTS maps. If your figure out why it's doing this let me know!
#28
Evolved Member
Thread Starter
I replaced the maf sensor. I plugged it in and started the car. After idling for a minute or two, the car threw a code, P0172.
LTFT IDLE has been tapped out at -12.5 for awhile now.
LTFT Cruise is probably at -7. But it fluctuates all over the place. A 10 mile drive will sometimes make it go from -2 to -7.
STFT will range from -12.5 to 12.5 in a matter of a minute.
I'm kind out of options. Any suggestions?
LTFT IDLE has been tapped out at -12.5 for awhile now.
LTFT Cruise is probably at -7. But it fluctuates all over the place. A 10 mile drive will sometimes make it go from -2 to -7.
STFT will range from -12.5 to 12.5 in a matter of a minute.
I'm kind out of options. Any suggestions?
#29
Evolved Member
iTrader: (3)
I replaced the maf sensor. I plugged it in and started the car. After idling for a minute or two, the car threw a code, P0172.
LTFT IDLE has been tapped out at -12.5 for awhile now.
LTFT Cruise is probably at -7. But it fluctuates all over the place. A 10 mile drive will sometimes make it go from -2 to -7.
STFT will range from -12.5 to 12.5 in a matter of a minute.
I'm kind out of options. Any suggestions?
LTFT IDLE has been tapped out at -12.5 for awhile now.
LTFT Cruise is probably at -7. But it fluctuates all over the place. A 10 mile drive will sometimes make it go from -2 to -7.
STFT will range from -12.5 to 12.5 in a matter of a minute.
I'm kind out of options. Any suggestions?
#30
Evolved Member
Thread Starter
1) I had a boost leak performed. To do this, the shop took off my intake and had to unplug my maf to do so. Boost leak came out negative. Intake was put back on and maf plugged back in. The next morning I drove to work. Like I said above, my LTFT's are usually all over the place. For the next couple of days they stay in tolerance. The first day, they stayed really tight. I left to work and the LTFT was 0.0 and when I got to work, they were 0.2. The car barely had any idle bounce and it wasn't leaning out as I approached a light or stop.
2) The idle issues and leaning out at a stop, were all occuring in closed loop. So I was focusing on closed loop operation. Well now the car started running lean during WOT. It was in the 14's. In the past it did this and the shop thought it was either the maf or FPR. They pulled and reinstalled both at the same time so the weren't sure what had caused the issue. But I changed out my FPR less than 500 miles ago, so now I was leaning to the MAF.
So before my issue was during closed loop. Now, the issue is during both closed and open loop. So I was thinking maf because this is used during both.
I am kind of out of mechanical ideas. I don't know what else to think other then the tune now. Unless someone has an other ideas.
I find it curious how this new maf is throwing a P0172 code, but the old maf wasn't. My tune is the same and all my fuel trims are the same.