Quote:
Originally Posted by boyt911sc
Ty,
You forgot this one.........fuel return valve seal or defective o-ring inside the FD. The most common culprits for residual pressure loss are defective FP check valve, leaking fuel accumulator, and rarely a leaking FD (something you could not ignore).
Tony
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Thanks.
I would see/smell leaking or defective fuel seals, o-rings, leaking FD, injectors wouldn't I? And the other items would affect the normal operation, like mixture, air leaks, timing, and ignition. And again, a shop checked the residual fuel pressure and said it was fine. Car runs fine - only when hot, it's hard to start. No leaks visible, no gas odors.
I am curious if the OP resolved his problem and what was the cause or fix.