Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P1102: MAF Sensor Inconsistent With TP Sensor (Less Than Expected): Condition
PCM compares expected and actual MAF input. DTC is set if MAF input is less than 1.09 lbs. min. and throttle opening is 50 percent or more for more than 5 seconds with engine running. Possible causes are:
- MAF sensor malfunction.
- TP sensor malfunction.
- Corrosion problems in MAF signal circuit.
- Voltage drop in MAF signal circuit.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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