F2:Trouble Code Table - Trouble Code 34 MAP Sensor Voltage Low Opel Vectra A

Table 2, Multec (X 12 SZ / X 16 SZ) F2: TROUBLE CODE

Trouble

· Following trouble codes not stored: 21

· Throttle valve aperture greater than 18.8 %

· Intake manifold absolute pressure less than 140 hPa

· The above conditions must be fulfilled for at least 0.06 s

· Engine speed lower than 1050 rpm

· Following trouble codes not stored: 21

· Intake manifold absolute pressure less than 140 hPa

· The above conditions must be fulfilled for at least 0.06 s

If trouble code 34 was recognized, the system calculates with the following replacement functions:

Engine not running:

Intake manifold pressure equals 900 hPa

Engine running:

The control unit calculates the intake manifold pressure depending on the engine speed and throttle valve position.