Rtek RTEK 1.8, 4 x 750cc injectors, Apexi Neo MAXED - STILL LEAN UNDER WOT
05-10-12, 08:53 AM
#27
I'm basing everything on my wideband numbers... I wideband i suspect has issues.. I've decided to stop troubleshooting until i install a new sensor.. Already in the mail 
However, i will clean up my ECU grounding and pull a spark plug to see how they look this afternoon
However, i will clean up my ECU grounding and pull a spark plug to see how they look this afternoon
05-11-12, 10:43 PM
#28
UPDATE: with car idling i grounded each secondary injector at ECU... Front and rear both bogged engine down and killed it = they are working and i have already confirmed secondary injectors are getting signal while running (earlier post)...
Fuel pressure has been checked... According to gauge, at idle its sitting at 50-52 psi (i assume this may not be accurate, but i was checking for PRESSURE DROP)... Under load (no boost) it drops to 42-44 psi and raises up and HOLDS 52-ish psi at 8-9 psi boost. AFRs hit mid-12s under WOT... For the skeptics out there, here's proof: (at beginning of video, the needle is pointed at 50-52psi.. For referance) http://www.youtube.com/watch?v=mjd82...e_gdata_player
So... All i got is either my wideband is **** (new sensor in mail), i need larger injectors and/or time for stage 2 RTEK
... Yup
Fuel pressure has been checked... According to gauge, at idle its sitting at 50-52 psi (i assume this may not be accurate, but i was checking for PRESSURE DROP)... Under load (no boost) it drops to 42-44 psi and raises up and HOLDS 52-ish psi at 8-9 psi boost. AFRs hit mid-12s under WOT... For the skeptics out there, here's proof: (at beginning of video, the needle is pointed at 50-52psi.. For referance) http://www.youtube.com/watch?v=mjd82...e_gdata_player
So... All i got is either my wideband is **** (new sensor in mail), i need larger injectors and/or time for stage 2 RTEK
... Yup
05-13-12, 12:44 PM
#29
New wideband sensor installed and actually preheats!!!
.. But, still lean on WOT. *Its mid-11s up to WOT though.
... While i MAY not be maxing my current injectors i don't see why installing larger secondaries couldn't fix my situation >*http://www.injectordynamics.com/ID1000.html
.. But, still lean on WOT. *Its mid-11s up to WOT though.
... While i MAY not be maxing my current injectors i don't see why installing larger secondaries couldn't fix my situation >*http://www.injectordynamics.com/ID1000.html
05-17-12, 06:53 PM
#31
I'm getting more hits on my thread i started in the 2nd gen section... Here's the thread..
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/rtek-1-8-4-x-750cc-injectors-apexi-neo-maxed-still-lean-under-wot-997235/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/rtek-1-8-4-x-750cc-injectors-apexi-neo-maxed-still-lean-under-wot-997235/
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