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Stalling at stoplights / Complete loss of power. 2 seperate issues !!Update!! 700 1991

posted by  D.P. on  Mon Jul 26 12:04 CST 2004
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Thanks for all the help. I had the problem again today and was able to better diagnose with the answers to my post. What I thought was the Fuel pressure regulator was actually the EGR Vacuum Controller. Sometimes it pays to be ignorant!! I disconnected both vacuum lines from the controller. The cream colored line that goes to the intake manifold had lots (as technical as I can get w/o instruments) of suction. The yellow line had none. When I placed the lines end to end, the car tried to stall. I took the car for a short drive w/ the vacuum lines disconnected. It ran GREAT!! As a matter of fact, it is the smoothest it has ever shifted in 13 years. I know running w/o the EGR connected will cause pollution problems, so I am going to tear into the controller this weekend to try a rebuild. Seems pretty straight forward in the FAQ. Out of curiosity, what happens to the engine when this part goes bad, and what complications arise in the event I FUBAR the rebuild, and have to drive a few days w/o the controller in place? This is the daily driver, and the 2 be daily driver which would allow the brick to become a true project car got totaled when a moron in a pickemuptruk decided to attempt defying laws of physics by trying to get his front bumper to occupy the same molecular space as my trunk!

BTW, I am going to replace the crank sensor. How difficult a job is it?
--
D.P. Mulvey in Central VA. 1991 744 NA, 150K Miles






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