DIY_EFI Digest Friday, November 5 1999 Volume 04 : Number 625 In this issue: EMS QI-4 ENGINE MANAGEMENT Re: DIY_EFI Digest V4 #623 TI-92 efi Re: DIY_EFI Digest V4 #624 See the end of the digest for information on subscribing to the DIY_EFI or DIY_EFI-Digest mailing lists. ---------------------------------------------------------------------- Date: Fri, 05 Nov 1999 19:44:38 +1100 From: leigh Subject: EMS QI-4 ENGINE MANAGEMENT EMS engine managment pty ltd po box 367 guildford nsw 2161 australia. ems@xxx.au www.enginemanagementsystems.com fax 61 2 96813928 ph 61 2 98923148 peter I hopes this helps you. If you need more info email me direct lee@xxx.au ------------------------------ Date: Fri, 05 Nov 1999 15:44:02 +0000 From: Ned Williams Subject: Re: DIY_EFI Digest V4 #623 > ------------------------------ > > Date: Thu, 04 Nov 1999 12:01:09 EST > From: "Derek Kaznoski" > Subject: Motronic ML4.1 newbie > > I have a '90 Alfa spider with Motronic 4.1. The car has 62K miles and is in > excellent condition. > It will start after about 6-8 seconds of cranking, but will then just rush > once or twice and quit if throttle not opened. It will not idle. It runs > great above about 2000 rpm all the way to the redline without any power > loss. > While holding the rpm at between 1500-2000 (rough in this range), the check > engine light flashed a 1223 code (lambda internal control). > Over the past few months, I've had intermittent problems with low/rough idle > (speed about 600 rpm) and stalling when taking off. Other times there were > no problems at all. > I'm new to the auto repair game, so please assume that I don't know jack. > Here's what I've checked/done so far: > Air-flow meter resistances are OK with smooth flapper operation and > resistance changes. I tried a spare AFM I have--no real change. > Throttle switch is OK. > Idle speed actuator gets battery voltage with ignition "on." > Spark plugs OK. > Tightened up all air intake connections. > Replaced fuel filter. > The battery is old and probably needs replaced--sometimes cranking is slow. > I'm replacing it today. Can this cause a problem with idle? > I haven't checked fuel pressure yet since I can't find a fuel pressure guage > that is compatible with the car (only domestic Schrader valve types around > here). Any tips on where I can buy one? > My shop manual says to "supply idle speed actuator with 12V directly for > awhile and check for proper functioning." Basically, I just plugged in the > connector and turned the ignition to "on" with the bypass hose disconnected. > I couldn't see anything happening inside the device. I don't really know > how this thing is supposed to function, though. Can anyone enlighten me? > > Thanks in advance. Sorry for the wordiness. > > - -Derek Kaznoski > '90 Alfa Spider > ------------- Hey Derek, Did you check the timing? that could screw with your RPM range and idle pretty bad as well as the FI Ned ------------------------------ Date: Fri, 5 Nov 1999 11:10:38 EST From: A70Duster@xxx.com Subject: TI-92 efi Don't think it can be done (I am a TI fan personally). How do get various engine input signals (RPM, MAP, temperatures) to the calculator. Plus how do you pulse the injectors. The TI-92 might be different, but the only input/output with the TI family is through the serial link cable. Mike ------------------------------ Date: Fri, 5 Nov 1999 12:38:40 -0500 (EST) From: William T Wilson Subject: Re: DIY_EFI Digest V4 #624 On Fri, 5 Nov 1999, DIY_EFI Digest wrote: > Isn't it possible to get the scripting language for the digest to > parse the subject heading and not add messages that contain the Considering that it doesn't even seem possible to make non-digest mode work, my guess is the answer is no. ------------------------------ End of DIY_EFI Digest V4 #625 ***************************** To subscribe to DIY_EFI-Digest, send the command: subscribe diy_efi-digest in the body of a message to "Majordomo@xxx. A non-digest (direct mail) version of this list is also available; to subscribe to that instead, replace "diy_efi-digest" in the command above with "diy_efi".