Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Manifold Pressure/Vacuum Sensor




Engine Control Components - Exploded View





Mass Air Flow (MAF) Sensor, Manifold Absolute Pressure (MAP) Sensor and Charge Air Cooler Temperature (CACT) Sensor

NOTICE: Do not overtighten the Manifold Absolute Pressure (MAP) bolt or damage to the sensor will occur.









Removal and Installation

NOTICE: Do not use silicone based sprays or lubricants on any components installed onto or around the diesel exhaust system or intake air distribution and filtering system. Silicone reacts with the Nitrogen Oxides (NOx) sensor and may cause permanent damage to the NOx sensor.

NOTICE: Make sure the ignition switch is in the OFF position prior to working on the electronic engine controls or damage to the vehicle may occur.

1. Refer to the procedures and/or exploded views for any Warnings, Notices, Notes, Materials, Specifications, and Special Tools. Items in the exploded views may not be listed in order of removal.