volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Intake manifold > < Checking fuel pressure senderG247
Removing and installing air mass meterG70
Removing and installing air mass meter -G70-
Removing
   
–  Pull connector -2- off air mass meter -G70-.
–  Unscrew air mass meter -G70- and carefully pull it out of guide on air filter housing.
Installing
To ensure proper operation of the air mass meter -G70- it is important to observe the following instructions and comply with the procedures described.
  N01-10925
Installation position of seal for air mass meter -G70-
The smooth side of the seal -2- must be in contact with the air mass meter-1-.
  Note
t  If the air filter element is very dirty or wet, dirt or water could reach the air mass meter -G70- and affect the air mass value. This would lead to loss of power, since a smaller injection quantity is calculated.
t  Always use genuine part for air filter element.
–  Renew seal on air mass meter -G70- and check that seal is in correct installation position (risk of unmetered air getting in).
–  Check for salt residue, dirt and leaves in air mass meter and intake hose (engine intake side).
–  Check intake channel for contamination as far as air filter element. If contamination is found, remove salt residues, dirt and leaves from top and bottom part of air filter housing by rinsing out or using a vacuum cleaner if necessary.
Further installation is carried out in the reverse order.
  A24-10742

Intake manifold > < Checking fuel pressure senderG247