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04-05-2013, 08:11 PM | #1 |
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O2 sensor question tuners
Is it possible for O2 sensors to not work properly and not throw a code?
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Grigio Telesto M4, 6MT. Coyote 5.0 F-150 991 GT3 |
04-05-2013, 08:44 PM | #3 |
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Thanks for the reply, I'm troubleshooting my 08, it has a bit of hesitation when I step on it on high gears and low RPMs. Threw a code the other day for the gas pedal and went into limp mode. I cleared the code and hasn't came back but hesitation still there. Have you seen these go bad?
BTW car has new plugs and clean air filter.
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04-05-2013, 09:16 PM | #5 |
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good idea, does it make a difference that I'm catless?
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04-06-2013, 10:58 PM | #8 |
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Ok here is an update, I flashed it back to stock, ran it a few miles and it still doing the same. Didnt get a check eng light but had 4 codes showing (Scanned with INPA)
2B05 2B06 2B07 2726 I have no idea what these codes are
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04-07-2013, 12:12 AM | #9 |
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FWIW I've gone through 1 or 2 o2 sensors and a code has always come on for them.
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04-07-2013, 01:25 PM | #10 |
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2B05 - Pedal-position sensor 1
2B06 - Pedal-position sensor 2 2B07 - Pedal-position sensor, plausibility 2726 - Oxygen sensor, plausibility before cat., bank 1 My suggestion to you: 1. Check plug and wiring harness on PWG pedal travel sensor and at DME 2. Replace accelerator pedal module Clear faults. If the o2 error returns, replace that sensor. Then you should be all good to go |
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04-07-2013, 03:18 PM | #11 | |
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04-07-2013, 03:41 PM | #12 | |
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Does switching that add the turbos too? Maybe that's the 40 hp you're feeling |
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04-07-2013, 03:56 PM | #13 | ||
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