Car has driveability problem

[Jon Fedock]

    I had these same problems when I changed over an A4 car to 5-speed. The
VSS and cold start problems were related for me. I had diconnected the Gear
Selector input (orange wire with black tracer in console) and ignored it.
The solution is to connect Gear selector input to ground (black with white
tracer in console) or wire it correctly. This will tell the ECM that the car
is in park at startup. There is something in the calibration that affects
startup using this input. The side effects of leaving it in "park" all the
time are: 1) No EGR 2)not as much engine braking.
    Most MAF problems I have seen are from someone messing around with the
min air adjustment or TPS adjustment. Check the FAQ at www.thirdgen.com for
the procedure to set min air and IAC reset. Good Luck
Jon


-----Original Message-----
From: CSH-HQ <nacelp at jvlnet.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Wednesday, August 11, 1999 1:38 PM
Subject: Re: Car has driveability problem


>It's listed in the achives.  Don't have it here. Also, if burning try some
>of the options
>Bruce
>>
>> Hey all...I have been following the list for months now, but I am
>>now in need of suggestions from the wealth of information out ther now.
>>
>> I have an 86 Camaro w/ 89 Camaro 5.7LTPI (Basch MAF type).  The
>>prom is set up for an A4, but I now am running a 96 T-56 six speed manual.
>>As far as I could tell (over the last couple of months) there has been
>>really no problem with the setup, but lately some problems, perhaps
>>unrelated, have come up.
>>
>> The engine, especially when cold, will tend to choke, stagger,
>>stall at low RPM, and I have had a hard time getting it to idle properly
>>when first starting in the morning.
>>
>> The only codes I have gotten (both intermittent) are code 33 (MAF
>>low) and code 24 (VSS).  I can't pinpoint anything, so I was wondering if
>>anyone has insight into this....perhaps suggestions on improving the setup
>>with a proper BIN?
>>
>> Any help is appreciated.
>>
>> Thanks,
>>
>> Dan Kunnath
>> '86 Camaro IROC / 5.7L / M6
>>
>>
>