Miss my tune!!!!!!
#1
Teching In
Thread Starter
Miss my tune!!!!!!
Need some help guys.
I had Justin do a tune in February and had no troubles til now or should I say no codes. A couple days ago I started my truck leaving work and the engine light came on, so the following morning I invested in a OB and checked the code. It had two codes the first was P0155(02 sensor heater circuit malfuction bank 2 sensor 1) and the second was P0059(H02S bank 2 sensor 1 heater resistance). I cleared the codes and drove a mile from the house and they came up again. I then pulled the ECU that Justin tuned and replaced it with the stock ECU and have had no issues except the truck runs like a slug again.
What do I need to do to get this taken care of. I REALLY MISS MY TUNE. Any help would be appreciated.
I did a search on these codes and came up with nothing...
I had Justin do a tune in February and had no troubles til now or should I say no codes. A couple days ago I started my truck leaving work and the engine light came on, so the following morning I invested in a OB and checked the code. It had two codes the first was P0155(02 sensor heater circuit malfuction bank 2 sensor 1) and the second was P0059(H02S bank 2 sensor 1 heater resistance). I cleared the codes and drove a mile from the house and they came up again. I then pulled the ECU that Justin tuned and replaced it with the stock ECU and have had no issues except the truck runs like a slug again.
What do I need to do to get this taken care of. I REALLY MISS MY TUNE. Any help would be appreciated.
I did a search on these codes and came up with nothing...
#3
Bank 2 sensor 1 is the passenger side O2 sensor. As to why it's not setting a code with the stock pcm, who knows.
I agree with Trevor - put the tuned pcm back in and swap the front O2 sensors. If you then start setting a bank 1 sensor 1 code you know it's the O2 sensor. Or you could just replace the sensor if you don't want to go to the trouble.
I agree with Trevor - put the tuned pcm back in and swap the front O2 sensors. If you then start setting a bank 1 sensor 1 code you know it's the O2 sensor. Or you could just replace the sensor if you don't want to go to the trouble.
#4
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Thanks for the input guys, I have been reading threads under 02 sensors using search and what are your thoughts on having them tuned out or using a bypass? Again thanks for your input.
Last edited by racedad70; 06-06-2009 at 12:23 PM. Reason: misspell
#5
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you don't want to tune out either b1s1 or b1s2, that controls the fuel trims, i think i had the same codes when my sensor went bad and a new one fixed it. They are definitely not unheard of to go bad. And don't use the dummy sensors on anything, i have heard they are a pain and don't always work right.
#7
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Thread Starter
Thanks again guys. Wasnt sure if it was the sensor before or after the cats. I checked at the Auto Zone and they asked if it was the one before or after Dont know much about it, though he said the before's are a $180 bucks
I did email Justin Thursday and hav'nt heard back from him yet.
I did email Justin Thursday and hav'nt heard back from him yet.
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#9
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Thread Starter
Thanks for clarifying front from back, I plan on trying the switch tomorrow before I dump 80 bucks. Was going to let the dealer do it on warranty, but cant get it to throw the code with the stock pcm.
Last edited by racedad70; 06-06-2009 at 05:20 PM. Reason: wording
#10
Teching In
Thread Starter
OK guys, swapped the 02's from left to right(drivers side pain in the a$$) and put the tuned pcm in. Took it for a spin did some hole shots and wot runs for about 30 mins. Did not throw a code.Oh well, this is really strange to me, but at least its running like a truck should again. Any thoughts?