Horsepower67
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- May 1, 2014
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Hoping someone here knows where I can begin to track down this problem as Googling and forum searching has not revealed any answers.
2005 Mustang GT, K&N cold air, matching Diablosport K&N FIPK tune (both in the car for about three years now, no issues)
Problem: Constant p0155 code
What I have done so far:
>Replaced the B2 S1 sensor with three different new sensors (one OEM Ford purchased from eBay, two NTK from PepBoys). Cleared the code, each time after swapping sensors, but it returns within minutes of running or driving.
>I have pulled the FIPK tune and reinstalled the stock tune, same results. I reloaded the FIPK tune, still the same results.
> Checked for corrosion and burns on the harness; nothing obvious
I'm pretty sure there is something other than bad sensors going on here; does anyone have any ideas? Could really use some sage advice.
2005 Mustang GT, K&N cold air, matching Diablosport K&N FIPK tune (both in the car for about three years now, no issues)
Problem: Constant p0155 code
What I have done so far:
>Replaced the B2 S1 sensor with three different new sensors (one OEM Ford purchased from eBay, two NTK from PepBoys). Cleared the code, each time after swapping sensors, but it returns within minutes of running or driving.
>I have pulled the FIPK tune and reinstalled the stock tune, same results. I reloaded the FIPK tune, still the same results.
> Checked for corrosion and burns on the harness; nothing obvious
I'm pretty sure there is something other than bad sensors going on here; does anyone have any ideas? Could really use some sage advice.