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Old 11-12-2007, 03:13 AM   #16
69datsun510
Leaky Injector
 
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If the motor is hard to start first thing when cold, it sounds like your fuel pressure is bleeding down. I would check your fuel pressure regulator and injectors. Sure sounds like you have a bad injector leaking down, or regulator not working correctly, keeping the pressure at the correct level. Sounds like you have checked a lot of things out, but this area. Give it a try and see where it gets you. Good luck
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93 Coupe, 1969 510 2 Dr
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