Thread: No Start 88 LS
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Old Aug 17, 2004 | 11:40 AM
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alllw88
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Ok got a service manual, removed that main relay for testing. Not easy to get out from under the dash. It checked out good. Re-installed it...turned ignition key on to see if any codes... there were none. Turned the key to start...gee sounds like the engine wants to start now...a second try and it started up. Been over a year garaged like this.

Now I'm not too sure why it started up now after just checking the main relay. I didnt do anything more to the car after installing a new ignitor. I did drop the relay just before checking it out. Guess that tells me better get a new relay.

Doesnt the relay controls the fuel pump? And why didnt it start after I had checked for fuel at the fuel filter fitting? There was gas coming out as the key was turned on. (new pump 1.5 years ago) Or am I missing what else that relay controls.

Car's idle speed was over 2100 rpm and would not come down after warming up. Found a metal vacuum tube filed open by the throttle cable rubbing onto it...bypass with a rubber hose but only dropped to 1800rpm.

Finally got it down closer to normal ,700 rpm by turning the idle screw adjustment in 2 1/2 turns. I checked to see if the car idles up under an electrical load to prevent stalling (ac , head lights, etc,) but it dropped. Dont think that's normal.

That high idle speed tells me turning the idle screw that much is not the fix... something else is not right that cause the high-idle. All the vacuum hose were checked out good .

Anyone have suggestions on where to look at next?

TIA, Al
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