Wire up an "A/F gage" w/o effecting existing control system?

MysticZ lt1_z28 at houston-f-body.org
Mon Feb 28 18:26:46 GMT 2000


Aribert_Neumann at magna.on.ca wrote:
> 
> I asked this question a while back as part of a larger series of questions but
> did not get a response.  Can I hook up a cheapie "A/F gage" like a Cyberdyne
> brand by simply splicing into the wire from my O2 sensor or will the A/F gage
> degrade the signal from the O2 sensor to such an extent that I need to use an A
> / B switch to switch the O2 signal between the A/F gage and the ECU?   FWIW, I
> am using a Bosch Motronic M1.5  engine management system (originally on a 2.0L
> GME engine) grafted onto a 2.3L Isuzu engine.

I've never heard of it causing any problems on LT1 Camaros and
Firebirds, myself. And if you want a real cheapie, I have the schematics
for an A/F guage around here somewhere.
-- 
Steve
97 Chevy Camaro Z28, Mystic teal, A4, not stock
90 Kawasaki EX500A4, black, M6, not even CLOSE to stock!
lt1_z28 at ev1.net  http://users.ev1.net/~lt1_z28
Aluminum, steel, carbon fiber, titanium, and two cast iron balls.
McMillan Motorsports- http://www.mmsbikes.com
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