Diesel Turbo Boost Pressure Sensor – OEM-Grade Replacement

Keep your turbo diesel precise and efficient with a fresh MAP/boost sensor . It sends the ECU real-time manifold pressure so fueling, VNT/wastegate control, and EGR stay perfectly synchronized. Correct data restores crisp torque, smooth shifts, clean emissions, and rock-solid reliability.

Why this part is needed

When boost data drifts, the ECU guesses. That means lag, flat spots, black smoke, high EGT, and poor mpg. A new sensor brings back factory calibration and confident power delivery.

How it works

A sealed MEMS piezoresistive element reads absolute pressure in the intake tract. Smart electronics convert it to a stable 0.5–4.5 V signal . The ECU compares actual vs. target boost and trims turbo vane position and injection to prevent overboost, surge, or hesitation.

What happens if it’s broken

• Low power or limp mode ⚠️
• Hard starts, rough idle, smoky exhaust
• Higher fuel use ⛽ and elevated EGTs
• Turbo under/overboost DTCs (P0235–P0240 range)

Install tips

Fit with a new O-ring, clean the port, check the hose for oil sludge, ensure a snug plug-and-play connection, clear codes, then road-test and verify live boost vs. target ✅.

Compatibility

• Highlander
• Highlander/Kluger