P0108 and two other o2 sensor codes
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P0108 and two other o2 sensor codes
What could cause this to happen and how do i chase down this problem. Let me know please i am confused i was driving down the road and all of a sudden the car started stumbling and then idle real low i pulled over got my hp tuners out and it was reading those codes can someone help me please
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That DTC is set if the pcm reads more than 4.9v on the signal return circuit for the MAP sensor for more than 4 sec. You should have low voltage at idle during high vac around 1.0 - 1.5 volts and high voltage 4.0 - 4.9 at WOT (low vac). You need to check for short to voltage, poor connections at MAP sensor, Poor connections at PCM if all is well then replace MAP sensor and have a nice day.