Manifold Absolute Pressure Sensor (MAPS): Inspection

2009 Hyundai Sonata SE, 3.3 FSECTION Inspection
  1. Connect a scantool on Diagnosis Link Connector (DLC).
  2. Check MAPS output voltage at idle and IG ON.
OUTPUT VOLTAGE CHART

Condition Output Voltage (V)
IG ON 3.9 ~ 4.1V
Idle 0.8 ~ 1.6V
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.