Clear Flood Mode

[TBK]

I think it shuts the injectors off completely . Are you sure you are getting
full TPS voltage (WOT is from 3.8V-4.5V depending on the application)?

TK
-----Original Message-----
From: Jason Weir <jweir at worldnet.att.net>
To: DIY_EFI <DIY_EFI at efi332.eng.ohio-state.edu>
Date: Thursday, July 30, 1998 8:45 PM
Subject: Clear Flood Mode


>Ok,
>    I got a question about what the GM FSM refers to clear flood mode.
>Correct me if I am wrong because I cant find the manual right now, but
>what I recall it to say is if the engine is below 400 rpm and the tps is
>at wot then the ecm puts the injectors at 20% of what they should be
>during cranking.  The reason why I ask is because I have a problem if my
>engine doesn't start right up, meaning if it has to crank for more than
>2 seconds it usually wont start and holding wot doesn't help at all.
>The only way for me to clear the engine so it will start is to
>disconnect one of the injectors and then hold wot for usually 3-4
>seconds before it will start and then hook the other injector back up
>before it stalls.  what a pain in the butt.  I thought that it might be
>that the AFR during crank was too rich so I lowered it, it didn't seem
>to have any effect. AFR during crank is from 0x44a through 0x458 a 15x1
>table by temp correct. Any other ideas from the almighty EFI gods out
>there? thanks as always Jason
>
>--
>Jason Weir
>88 Wrangler - 258 Chevy TBI
>Fayetteville, North Carolina
>http://home.att.net/~jweir
>mailto:jweir at worldnet.att.net
>
>
>