STFT B1/B2 S2 99.2, is this normal? **PIC** Forums
What Does Stft B1S2 Mean. Web if the upstream sensor (b1s1) and the downstream sensor (b1s2) are both cycling identically (or nearly so) that means that catalytic convert is toast and you're going. Web also, the post cat o2 should be almost rock steady if the cat is functioning correctly.
STFT B1/B2 S2 99.2, is this normal? **PIC** Forums
The ecu's basically telling you that the catalytic. A p0136 b1s2 means that the sensor located behind the catalytic converter is having this. Those are the catalyst monitors see where it says b1 s2 that means bank 1 sensor 2 you want to see a high % there as it shows no unburned fuel. Web too much voltage can cause components to overheat and potentially suffer damage. The 1.75 is the difference between the. Web ltft and stft are percentages which represent the adjustment to the fuel injector pulse width. Web the actual code tells you what bank it is. Don't take your stft's to be a. The exhaust stream is monitored. Web bank 1 ho2s no.
Web if the upstream sensor (b1s1) and the downstream sensor (b1s2) are both cycling identically (or nearly so) that means that catalytic convert is toast and you're going. Web joined sep 25, 2011. Web to enable the correct air/fuel ratio, (stoichiometry = 14.7:1), the system uses stft to keep the system as close as possible to this figure. Stft is known as a volatile value. Web also, the post cat o2 should be almost rock steady if the cat is functioning correctly. Web stft is the direct result of the feedback that the oxygen or air/fuel ratio sensors are providing to the pcm. If it's switching at all, it's likely the cat isn't doing it's job. 1 is located in the left exhause pipe before catalytic convertor. Most likely the scan tool you. Web stft (short term fuel trim) and ltft (long term fuel trim) at times i have seen stft vary from 0 to 25%. Don't take your stft's to be a.