Momentary loss of power
Thread Starter
Still here... sorta...
Joined: Sep 2000
Posts: 17,177
Likes: 2
From: CO
Momentary loss of power
Ok, here's what I have going on:
I finally have my B18C1 swap driving around and working fairly well. I hooked up an autometer air/fuel meter and it is acting funny. When I first start the car the A/F meter starts at the first rich light after stoich and then slowly dropps down past the last lean light to where I can no longer see it....
When I drive the car around, for the first 10 minutes or so the A/F meter bounces between lean and rich like it's supposed to do, but then it stops and I can't see it anymore.
I'm thinking my O2 sensor my be bad???
Anyhow, with all that said, when I'm cruising at say 60 the car seems to have a momentary loss of power and then picks back up. It does this in intervals on a constant basis. Does anyone know what it could be? It's really annoying...
Thanks!
I finally have my B18C1 swap driving around and working fairly well. I hooked up an autometer air/fuel meter and it is acting funny. When I first start the car the A/F meter starts at the first rich light after stoich and then slowly dropps down past the last lean light to where I can no longer see it....
When I drive the car around, for the first 10 minutes or so the A/F meter bounces between lean and rich like it's supposed to do, but then it stops and I can't see it anymore.
I'm thinking my O2 sensor my be bad???
Anyhow, with all that said, when I'm cruising at say 60 the car seems to have a momentary loss of power and then picks back up. It does this in intervals on a constant basis. Does anyone know what it could be? It's really annoying...
Thanks!
Wannabe yuppie
Joined: Dec 2000
Posts: 25,918
Likes: 0
From: Madison, WI
The ECU only reads the oxygen sensor voltage when it's in open-loop mode, which happens at like 73% or more throttle opening. I forget the exact number. Anyway the point is that at low RPM the oxygen sensor voltage doesn't mean crap. Honda used a sensor that would work when they need it to, but doesn't give you any extra tuning value.
The hesitation you're seeing could be from any number of things but I doubt it's from the oxygen sensor. More likely it's a loose vacuum fitting or wiring connection somewhere.
The hesitation you're seeing could be from any number of things but I doubt it's from the oxygen sensor. More likely it's a loose vacuum fitting or wiring connection somewhere.
Thread Starter
Still here... sorta...
Joined: Sep 2000
Posts: 17,177
Likes: 2
From: CO
Originally posted by MrFatBooty
The ECU only reads the oxygen sensor voltage when it's in open-loop mode, which happens at like 73% or more throttle opening. I forget the exact number. Anyway the point is that at low RPM the oxygen sensor voltage doesn't mean crap. Honda used a sensor that would work when they need it to, but doesn't give you any extra tuning value.
The hesitation you're seeing could be from any number of things but I doubt it's from the oxygen sensor. More likely it's a loose vacuum fitting or wiring connection somewhere.
The ECU only reads the oxygen sensor voltage when it's in open-loop mode, which happens at like 73% or more throttle opening. I forget the exact number. Anyway the point is that at low RPM the oxygen sensor voltage doesn't mean crap. Honda used a sensor that would work when they need it to, but doesn't give you any extra tuning value.
The hesitation you're seeing could be from any number of things but I doubt it's from the oxygen sensor. More likely it's a loose vacuum fitting or wiring connection somewhere.
Thread Starter
Still here... sorta...
Joined: Sep 2000
Posts: 17,177
Likes: 2
From: CO
Re: Momentary loss of power
Originally posted by westcoaststyle
When I drive the car around, for the first 10 minutes or so the A/F meter bounces between lean and rich like it's supposed to do, but then it stops and I can't see it anymore.
When I drive the car around, for the first 10 minutes or so the A/F meter bounces between lean and rich like it's supposed to do, but then it stops and I can't see it anymore.
