hey i just installed my apexi turbo timer unit with the A/F
all i did was attach the harness and ground the unit along with the brake sensor. i did not use the a/f wire for anything. thats how i set it up.
i'm not familiar with what is a good reading
what is too rich or lean? I usually run somewhere around 1.0 during idle and it goes as high as 2.3+ during acceleration and leaning out when i initially hit the throttle. i read that the ground is very important. where should I have grounded it for accurate readings? but what i'm really looking for an answer to is what is "good" 02 readings. and where does too lean or too rich begin
thanks
Matt- 98 Eclipse 420A MODS: HRC Stage 2 w/ SMIC Super-16G Turbo 30# Accel Injectors Vortech SFMU Missing Link Final Drive Gear Mod B&M Tranny SuperCooler AF/X UDP Full Urethane Blitz Body Kit 17" Motegi MR4/Kumho ECSTA 711 http://mywebpages.comcast.net/bl
#44953, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 0
As a fellow A'pexi auto timer owner, I have to tell you that you did not completely install the TT. If you did not solder the a/f wire to the ecu, then it is not reading out the correct a/f ratio to the TT's display. Go back and solder the a/f wire, and you should see the a/f ratio working correctly (If I remember correctly, it is the small black and white wire on the upper port of the ecu for 97+). Rich conditions for the 02 sensor voltage typically is in the .75V and up range.
#44969, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 1
On my 98 the O2 signal wire is the grey wire on the bottom of the upper plug on the ecu. With this TT you can view the A/F and O2 readings. Whats the differance? O2 is the current o2 sensor readout, and the A/F reading is the amount of air to 1 part fuel. It should stick around 14.7. The A/F reading is what you want to keep your eye on, the o2 just bounces around and wont tell you much. The Apexi TT is great i love it! w00t!
#44971, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 2
Not to hijack the thread but what is the low limit you guy's set on your Apexi? I have mine set to like 50 seconds, and I'm wondering if this is too long?
I edited to the wiki!
Originally posted by DR1665 NOTE TO SELF: Go commando to wedding. Scar the Irishman for life.
#45010, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 4
ohh I was under the impression it determined the A/F by reading whatever is delivered from the harness. everyone said plug and play, not plug, solder, and play thats ok i dont mind. i was going to solder that wire on but the instructions that came with the unit were so crappy i could barely make heads or tails with their diagrams. i still should have known better. thanks for giving me a better description of the wire i'm gonna be looking for.
later
Matt- 98 Eclipse 420A MODS: HRC Stage 2 w/ SMIC Super-16G Turbo 30# Accel Injectors Vortech SFMU Missing Link Final Drive Gear Mod B&M Tranny SuperCooler AF/X UDP Full Urethane Blitz Body Kit 17" Motegi MR4/Kumho ECSTA 711 http://mywebpages.comcast.net/bl
#45012, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 5
"ohh I was under the impression it determined the A/F by reading whatever is delivered from the harness"
thats true but you got to hook it up completly dude. if you dont hook up the a/f wires it wont read the a/f mixture. Michael 99gs HRC Stage 2 @12psi Stage 3 process begins gathering parts for rebuild http://www.dreamwater.net/purplebeast
#45024, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 6
Yeah, i got the apexi harness and it was all wrong. I had to bust out the fluke meter and rewire it to work. But here is my question! How did you guys get the power locks to not unlock the doors after it shuts the engine off? If i let it run and walk away it will leave my car unlocked!
____________________________________________________ four nails four corners four riders and four horses
#45028, "RE: 02 sensor on the apexi turbo timer" In response to Reply # 7
you don't have to solder the wire to the ecu you can just use wire taps to link it to the o2 sensor, it works cause i see it work everyday in conjunction with my autometer a/f gauge. as for the door locking problem i just lock them manually and walk away and in a min. and a half i arm the alarm.
