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-   -   71T cold start problem (http://forums.pelicanparts.com/porsche-911-technical-forum/350059-71t-cold-start-problem.html)

super9064 06-03-2007 02:35 PM

71T cold start problem
 
I have a cold start problem with my 71T, I follow the manual, “Fully depress pedal 2-3 times slightly touch accelerator”, fires right up. It then chugs RPMs drop and dies, I do this 4-5 times then it finally starts and stays, RPMs slowly climb. My car has a hand throttle if I follow the manual from my 69; it states, “Pull hand throttle lever up to stop. Do not move the throttle petal at any time during the starting procedure” When I start using this technique, again it fires right up, RPMs slowly drop and it dies. If I try to give it some gas, the RPMs drop, its like turning off the ignition if I depress the pedal more than ¼ inch. My current starting technique is to depress the gas pedal 5-6 times, hold to the floor, when it fires pump 8-15 times fast it will then maintain idle. My mechanic did a carb set up when I first purchased the car, said it was way off, also changed fuel lines. I brought it back same problem, now worse, rebuilt accelerator pumps, just as bad or worse. He tells me “starts fine for me, come pick it up” I have 4 other carbureted Porsches, I have no problems starting any of the others. The car starts with no problem after its warm. Has any one else had this problem?


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