75 LJet will not fire, finishing restoration Options

[malcolm2]

Ok I think I am good on the seat belt relay. YLW and YLW/red are spliced. And I have checked for continuity all the way from the starter to the key on that wire.

I have spark, points checked too.

I have fuel pressure, about 40 psi, checked between p-side fuel rail and cold start valve.

Starter works fine

oil pressure builds, light goes out on the dash

Engine timing is still at rebuild setting...0 TDC.

Re-built FI & Ignition & Alt harnesses

I did have trouble with the key switch, so the steering wheel is out, levers are not connected and I turn a screw driver on the end of the key connector to fire the starter, should not be an issue, correct?

I got the L-jet trouble shooting "no start" pages to try tomorrow.

Any other ideas? I am baffled. (IMG:style_emoticons/default/confused24.gif)

[timothy_nd28]

Good, but we are running out of things to check. Let's double check the continuity between pin one on the ECU plug to the neg terminal on the ignition coil. You are certain that you have spark at one of the plugs?

[malcolm2]

Good, but we are running out of things to check. Let's double check the continuity between pin one on the ECU plug to the neg terminal on the ignition coil. You are certain that you have spark at one of the plugs?

Pin 1 and negative had good continuity between them.

I have checked the spark via several methods over the past 2 days. I bought a spark tester... It lit up, I cranked and a buddy ground the plug, it sparked.

Just to be sure I just pulled a plug and laid it down to ground it and watched thru the back window as I started... It also sparked: click, click click and I saw the spark jumping.

There is ZERO fuel on that plug. The injectors don't seem to be opening up. I have heard about starting cars with starting fluid in the intake. We tried that last night too, but no luck. Any other tricks to at least burn some fuel?

[pilothyer]

I have heard about starting cars with starting fluid in the intake. We tried that last night too, but no luck. Any other tricks to at least burn some fuel?

Clark, I have been there a few times over the years with my 75 L-Jet and have found that I could always get it lit with starting fluid as long as the ignition was OK. Since you tried that already and didn't get it to run at all, I have to think you are looking at an ignition problem first of all, correct that then work on getting your injectors to squirt.

[Black22]

I have heard about starting cars with starting fluid in the intake. We tried that last night too, but no luck. Any other tricks to at least burn some fuel?

Clark, I have been there a few times over the years with my 75 L-Jet and have found that I could always get it lit with starting fluid as long as the ignition was OK. Since you tried that already and didn't get it to run at all, I have to think you are looking at an ignition problem first of all.

(IMG:style_emoticons/default/agree.gif)

Although Tim knows his L-jet (he walked me through my troubles as well), if it didn't fire with starting fluid, something else is wrong.

Mine would not fire without starting fluid and it ended up being a fuel delivery problem. Check that your fuel lines are properly routed. Do yourself a favor and double check even if you are positive you did it right the first time. If its not properly hooked up from the pump and back, you will see fuel pressure, but the fuel pressure regulator can not run in reverse and therefore will not work.

There is definitely an ignition failure somewhere if it didn't fire with starting fluid though.

Good luck on the adventure.

[malcolm2]

I have heard about starting cars with starting fluid in the intake. We tried that last night too, but no luck. Any other tricks to at least burn some fuel?

Clark, I have been there a few times over the years with my 75 L-Jet and have found that I could always get it lit with starting fluid as long as the ignition was OK. Since you tried that already and didn't get it to run at all, I have to think you are looking at an ignition problem first of all.

(IMG:style_emoticons/default/agree.gif)

Although Tim knows his L-jet (he walked me through my troubles as well), if it didn't fire with starting fluid, something else is wrong.

Mine would not fire without starting fluid and it ended up being a fuel delivery problem. Check that your fuel lines are properly routed. Do yourself a favor and double check even if you are positive you did it right the first time. If its not properly hooked up from the pump and back, you will see fuel pressure, but the fuel pressure regulator can not run in reverse and therefore will not work.

There is definitely an ignition failure somewhere if it didn't fire with starting fluid though.

Good luck on the adventure.

My starting fluid try was only a half hearted adventure and we did it with the air box on....I will try with the box off. 2 people had warned about the back-fire thing, so AFM off the car will protect it. I have the injectors out now, so starting fluid will be an afternoon thing.

Thanks,

Clark