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Registered
Join Date: Jul 2001
Location: Wilmington, NC USA
Posts: 635
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Steve,
Cold start problems can be the cold start valve or Auxilary air valve. Warm start the fuel accumaulator (suppose to hold pressure). The WUR (warm up regulater) is the control pressure regualtor and it could be also be bad. And if the fuel pump is bad and all pressures are off then that could be it. You need to pressure check the CIS. Take it to a good mechanic with the proper gauges. If you rather DIY get a good CIS book and buy what you need . I have seen the pressure gauge with lines for less than $150. You could probably rig one for less but I am not sure the time it takes is worth it. Good luck.
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69 911 2.3Ez
85 928S
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