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parts:0000703962 [2020/11/17 07:15] – john5788 | parts:0000703962 [2020/11/17 07:15] – [Electro-Hydraulic Actuator Valve (000 070 39 62)] john5788 | ||
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The EHA (Electro-Hydraulic-Actuator) is an electrical valve that controls the pressure on fuel distributor. The duty cycle of the EHA valve is determined by the O2 sensor. The EHA valve is only used on vehicles with the KE-JETRONIC fuel injection system. | The EHA (Electro-Hydraulic-Actuator) is an electrical valve that controls the pressure on fuel distributor. The duty cycle of the EHA valve is determined by the O2 sensor. The EHA valve is only used on vehicles with the KE-JETRONIC fuel injection system. | ||
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A bit of background on the EHA's function: it is an electronically controlled servo (controlled from the CIS-E main computer) that uses a variable current to make the last, minute adjustments to the fuel flowing into the fuel distributor and then into the combustion chambers. It does this by maintaining an appropriate differential pressure between the upper and lower chambers of the CIS-E fuel distributor. Essentially, | A bit of background on the EHA's function: it is an electronically controlled servo (controlled from the CIS-E main computer) that uses a variable current to make the last, minute adjustments to the fuel flowing into the fuel distributor and then into the combustion chambers. It does this by maintaining an appropriate differential pressure between the upper and lower chambers of the CIS-E fuel distributor. Essentially, |