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Esprit V8 starts and refuses to run - Page 2 - Engine/Ancilliaries - The Lotus Forums #ForTheOwners Jump to content


Esprit V8 starts and refuses to run


Ruud Hensbergen

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Hey Ruud, did you make any progress with your issue?

1996 Esprit V8, 1998 Esprit V8 GT, 1999 Esprit S350 #002 (Esprit GT1 replica project), 1996 Esprit V8 GT1 (chassis 114-001), 1992 Lotus Omega (927E), 1999 Esprit V8SE, 1999 Esprit S350 #032, 1995 Esprit S4s, 1999 Esprit V8 GT (ex-5th Gear project), 1999 Esprit V8SE ('02 rear)

1999 S350 #002 Esprit GT1 replica

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  • 4 weeks later...

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I think that the pump would be the next step.  

1996 Esprit V8, 1998 Esprit V8 GT, 1999 Esprit S350 #002 (Esprit GT1 replica project), 1996 Esprit V8 GT1 (chassis 114-001), 1992 Lotus Omega (927E), 1999 Esprit V8SE, 1999 Esprit S350 #032, 1995 Esprit S4s, 1999 Esprit V8 GT (ex-5th Gear project), 1999 Esprit V8SE ('02 rear)

1999 S350 #002 Esprit GT1 replica

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Excellent.  Well done for finding the problem.

1996 Esprit V8, 1998 Esprit V8 GT, 1999 Esprit S350 #002 (Esprit GT1 replica project), 1996 Esprit V8 GT1 (chassis 114-001), 1992 Lotus Omega (927E), 1999 Esprit V8SE, 1999 Esprit S350 #032, 1995 Esprit S4s, 1999 Esprit V8 GT (ex-5th Gear project), 1999 Esprit V8SE ('02 rear)

1999 S350 #002 Esprit GT1 replica

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3 hours ago, Ruud Hensbergen said:

Hi Mike, I disassembled the fuel pumps and found out that the fuel lines were not tight enough and to my opnion unable to keep the fuel pressure optimal. Temporary I added extra clamps to be "sure" that there were no pressure leaks. Starting the engine - and after some struggle - she runs and stay running! I will replace the fuel lines and clamps and I consider the problem solved! Thank you Mike and the other members of the forum for their input for helping me !!

Hi Ruud,

If you are replacing the fuel lines in the tank make sure you get hoses that are specifically design for use inside the tank, standard hose is not suitable.

cheers

-Chris

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  • 2 weeks later...
  • 1 month later...

The pressure at the Schrader Fitting should be about 53 lbs once the key is on prior to starting and the pressure should hold after shutdown for quite a while slowly going down.  The injectors wont function or open at lower pressures if I remember correctly at around 30 lbs or so and most injectors will lock up under too high a pressure.  I bought an injector cleaning machine and tried to clean and rebuild my original injectors in my 98 V8, I remember at lower pressures the injectors not wanting to work at all.  Once they were cleaned they seemed to be flowing better but still didn't work well, so I did buy new injectors and the rest is history.

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