Help

[SD LSC SE]

Gentlemen, I Own A 1990 Lsc Se And It Will Not Start. I Put It In The Driveway On A Monday Night And Saturday Morning I Jumped In It, And Wouldn't Start. If The Auto Theft Light Comes On When I Open The Doors Does Htat Mean Anything. I Elready Punched In The Code And I Pumped The Trunk Using The Code. The Door Solenoids Are Out So I Couldn'r Test Those. The Engine Will Turn But Will Not Start. Im Pretty Sure The Engine Is Not Getting Any Fuel. I Appreciate Any Help And Suggestions That I Can Get.

Thanks Fellas

 

[CaptainZilog]

Uh, is it out of gas?

Check spark at the distributor. If you get it there, check spark at the plugs. Are you sure the starter is engaging the flexplate? Keep us updated.

 

[joew]

Check for spark when cranking.. Use one of those cheap neon spark testers on a spark plug and have someone crank the engine .. If you see spark, it's not getting fuel.
Put a pressure gauge on the little schrader valve on the fuel rail. Turn the key to "Run" and off a couple times. The fuel pump should make noise while it pumps for a few moments. Pressure should then be near 40 PSI but the injectors are not injecting fuel for some reason..

Or forget all that testing stuff and directly check what I think could be the trouble..

Take the air intake hose off the intake manifold and squirt about 5cc's of gasoline in there. Replace the hose and wait 5 minutes (for some of the fuel to vaporize). Try and start the engine. If it starts there's a good chance the fuel injector relay is toast.

The above is the short version of the story of what I went through last month with my '88 LSC. I finally surrendered and took it in. The shop charged me $130 total to find the fault and replace that injector relay. I still don't know where that relay is other than it's under the hood somewhere..

 

[JoshMcMadMac]

Double check the inertia switch in the trunk as well. Just a good place to start, anyway.