I unhook egr , then hook it back up , drive car , then it wont i dle until i unhook egr and plug vaccume line
SOURCE: vaccum lines
There is a diagram for that system under the hood above the radiator, the 2 lines go to 2 exhaust tubes, one is pressure and one is reference, the hose size is different so you can't get them mixed up, the EGR "box" is the EGR pressure transducer and the signal from that controls the EGR through the Power Train Control Module AKA the PCM. You have to use special
Hi-temperature silicone rubber hoses from the Ford dealer, ordinary rubber hose will just burn up in short order, they are around $15-20
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