I got the answer from another forum as to the function of these two devices:
Quote:
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Originally Posted by another forum
The item in the first picture is the MAP or Manifold Absolute Pressure sensor. The ecu uses this reading to monitor the pressure level in the inlet manifold. The second item is a control valve which opens the EGR valve with a vacuum, switched by an electrical signal from the ecu. This second item is common for causing loss of power after a reasonable length of journey. Car seems to get progressively slower.
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So it would seem to me that basically, somebody has bodged it, and it needs reconnecting to ascertain the condition of the rest of the system.
Perhaps it was throwing a code, and the mechanic just removed it to remove the code - instead of fixing the problem.
03-28-2007, 06:02 PM
Linear Mode
