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Hi eveyrone
I need little help trying to figure out what is wrong with the idle when a/c is on. With the a/c off car idles great no problems as soon as i turn it on idle is low and jumps up and down
is there a sensor or something that should raise the idle with a/c on?

any help really appreciated

dom
 

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The idle is controlled by a network of vacuum hoses, the ECU(elect. control unit) and the IAC(idle air control).

The ECU should recieve a signal from the air conditioning ..
We need the WIS (workshop info sys) to determine what is wrong..
 
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