When pressure testing your KE-jetronic fuel injection, you may find you need a really thin wrench to install the small fitting on the right side bottom of the fuel distributor. When testing a K-jetronic engine, this thin wrench will aid in removing the top injector line going to the warm-up regulator. Although not required it will make hooking up and removing the tester easier. ( or you may resort to a pair of needle hose pliers )
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You will have to have some way to hold the small fitting while tightening the hose onto it. Do not allow this small fitting to be over tightened or you can break off the small threaded end.
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