Ok here is the story. I had an f22b JDM Si motor and it had bad hesitations periodically. Finally it snapped a timing belt and drove my valves into my pistons on the freeway (ugly site). Well I decided to get an h22 and install it hoping that the hesitation or bogging would go away. I was wrong. I recently hooked up a a/f gauge (autometer) which took me forever to install because there were no lights showing until I gas it to about 7k rpm and then I see two red bars indicating lean then they would disappear. I see this as a big problem... why is my car running that lean? For reference I replaced the starter, fuel pump/filter/regulator, plugs and plug wires, and dizzy cap and rotor. Engine is pretty much stock with intake and exhaust. Thanks for the help.

 

How did you wire the gauge?

 

I tried both directly to the o2 sensor and ecu (solid white wire). same lean readings.

 

what ecu are you using... fuel setup...?

What fuel wise did you use off the old motor anything?? Injectors?? It maybe just the gague how do the plugs look?

-Jeff-

 

I use the p13 Jdm h22 ecu. complete change-over, all h22 parts. The plugs were pretty white like a lean condition would look like.