

| Subject: | Re: Residual Fuel Pressure: hold for 1 hour? |
| From: | Neil N |
| Date: | Sun, 2 Mar 2014 16:47:13 -0800 |
Thanks Dennis. I wondered if an injector(s) was leaking down. I did the fuel pressure tests with engine up to operating temperature. If the engine is off and has cooled about 1/2 down, can this cause a marginal injector to leak down? I made a fuel pump relay bypass switch for the fuel pump relay. The engine had been sitting at least 45 minutes but the engine bay still felt warm. When I flipped the bypass switch I could hear fuel rush into the hose, regulator, rail then pressure up. Engine started ok. On 3/2/14, Dennis Haynes <d23haynes57@hotmail.com> wrote: > ..... However, the usual cause of our systems failing > to maintain pressure is one or more leaking injectors. This more than > anything will create a hard start problem due to the engine being flooded. > In the extreme this is a problem as the extra fuel washes oil off the > cylinder walls and can even mess up intake valves and guides. -- Neil n Blog: tubaneil.blogspot.ca '88 Westy http://tinyurl.com/c8rlw6p '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/ Vanagon VAG *Gas* inline-VR Engine Swap Group: http://tinyurl.com/d7gd5ej
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