mixture problems

Hello All,

91 turbo w/ 1 bar boost and b&b exhaust, powerflow intake.

Very hard to start after driving and up to operating temperature.
If I turn the car off and try to re-start it within a couple minutes it
is very hesitant to start. Its just turning over and over. If
I give a little gas I can usually get it to start. My mechanic has
been trying to dial in the fuel mixture. Could this be too rich of fuel
mixture. I just got the car back after a set of plugs were fouled and
injectors where bad. It was so bad that the car would not even run after a couple
months of this problem. The car does run fine otherwise.
So, it has new injectors, new plugs, new fuel filter, valve adjustment, but
same problem that led to the fouled plugs. Leak down test was also down, came
out perfect.

Thank you so much for any help you can give

Doug

I believe many Turbos were CIS cars. CIS cars sometimes leak fuel pressure from the system while they sit. Hot starting requires high fuel pressure, so if pressure has drained, you have a hot starting problem. Cold starting requires less fuel presssure, so it's not a problem.

If this is your situation (CIS), then you may need either a new check valve to put on your fuel pump, or perhaps a new fuel accumulator.

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'83 SC