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Discussion Starter · #1 ·
Hello 馃憢馃憢 everyone , After changing the battery with one day , suddenly I got a check engine lamp , and the car wasn't accelerating , then I got a wrench light ... I want to my mechanic , and fixed most of the problems ,now the symptoms I have in my 2010 explorer XLT , hissing sound from vaccum while accelerating , when accelerating hard or going up a bridge the car is shaking and it doesn't go fast and I hear this hissing sound from passenger vents , car is using too much fuel

I got a MAP sensor error on computer checking and this codes
P1812 -00 / 2F
P1867 / 6F
P1891 /2F

Thanks hope you can help me

Super Moderator
9,477 Posts
P1812 - 4-Wheel Drive Mode Select Circuit Failure
P1867 - Transfer Case Contact Plate General Circuit Failure
P1891 - Transmission Transfer Case Contact Plate Ground Return Open Circuit
Most common cause between these codes are faulty wiring.

P1000 - Code is just a reset, the engine hasn't run long enough to collect adequate data, it'll go away by itself.

P0106 - Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
You said you hear a hissing on acceleration, this is telling you likely have a vacuum leak. I'm surprised it didn't flag you for a misfire or lean code.
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