My 97 was running rich also. I did the same things, with the exception of
adding a cold air intake. I solved it by getting a new O2 sensor. I was
getting about 14 mpg, and changing the O2 immediately changed my gas mileage
for the better.
"Mike" > wrote in message
om...
> Any ideas how to resolved a 95 Neon SOHC 2.0l engine that is running
> rich?
> I have changed the plugs, cleaned the throtle body, and even installed
> a cold air intake (intake was more to remove the mess of tubing, air
> box and baffle attached to the air box).
> If this was a carburator, the issue would be resolved, but because
> everything is controlled by the ECU, I really do not know how to
> resolve this issue.
>
> Mike
> mlawrenc(at)rcc.on.ca