Chips dont do that on 95s. We only have two O2 sensors that are pre catalytic converter so they dont need to be switched off, because they are used in closed loop to target a 14.64 A/F ratio. Its 96+ mustangs that have 4 O2 sensor the first two pre catalytic like ours to monitorl closed loop A/F and the other two after the cats to make sure the exhaust is getting cleaned properly, they will cause a CE light. So tuners shut them off, that is a non issue on our cars.loud 95 said:Those gauges pull from the factory oxygen sensors, which apparently lose most of their accuracy above 2000rpm. Try pulling your oxygen sensors and making sure they are not fouled. Also, if you have a chip, make sure the person who burned it didn't turn the sensors off because you have an off-road midpipe.
WhiteDevil said:Do a search, i have responded to these A/F gague threads a million times. They are nothing but a light show.
95CobraMike said:i just wish i knew for sure....
how can i check for sure?
i just need to buy a PMS
WhiteDevil said:I guess the question is what constitutes lean. When you are driving like a grandma your car is targeting 14.64 A/F ratio. So if that is "lean" then yeah it will be there on the gauge. But say the gauge wants 17:1 A/F ratio to be lean, then you have a problem and need to correct it.
If the center of the gauge is 14.7 then yeah it should stay near the middle area.final5-0 said:Say John
I don't know much about these kinds of gauges and have never seen one but would you agree with this kind of thinking?
From what I've seen others say the gauge has a row of colored lights. It would seem to make sense for the center of the row to be 14.7 with the left as lean and the right as rich.
I know Mike's car is heavily modded but for say a stocker with good sensors and everything........................
Don't you think a steady cruise, which would be in CL, would show the center lights as being turned on?
Later
Grady
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