P0107moderate severityPowertrain
MAP/BARO Pressure Circuit Low Input
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The MAP sensor signal voltage is below the minimum expected value.
Symptoms
- Check Engine Light
- Rich running
- Black smoke
- Loss of power
Common causes
- Short to ground in MAP circuit
- Faulty MAP sensor
- Disconnected vacuum hose
Diagnostic steps
- Test MAP voltage
- Check for shorts to ground
- Verify vacuum hose connection
Repair notes
Repair wiring or replace MAP sensor.
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P0015
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