The fault code of 33 detection circuit of Daewoo ESPERO

Published:2011/5/17 4:34:00 Author:Borg | Keyword: fault code, Daewoo | From:SeekIC

The fault code of 33 means that the signal voltage of manifold absolute pressure(MAP) sensor circuit is high and degree of vacuum is low. Manifold absolute pressure(MAP) sensor responds to the change of the pressure(vacuum drgree). When the igniting switch is at ON gear and the engine is still, the manifold pressure is larger than the atmospheric pressure, signal voltage is high, the ECM will use the signal as the parameter of car altitude and atmosphere pressure. When the engine is at idling speed, the MAP signal voltage values are as shown in Figure 20 and Figure 4. MAP sensor check of admission manifold is shown as follows.



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