90 Integra GS Running slight Rich, Rough Idle and loss in power

STWalden

New Member
Okay I purchesed a 90 GS integra. Make this short and simple:
I have Changed the O2 Sensor, MAP, Ignition Coil, Spark Plugs With new. Tested plug wires with a good set lating around and same issues.
Cleaned the IAC FITV. Checked Compression, was perfect on all 4 Cyl. Check all vacuum lines Took off and inspected the EVAP system., (Kinda just a last min screw it thing)

The car is Completely stock no mods at all, unless you count a hole in the muffler. It has us stumped.

Issues: The car is running just a bit rich stopped rolling black smoke after replaced 02 Sensor. The idle Bounces from about 200-400 RPM While driving it took about 20 secs to hit 60 with the pedal masshed. Every now and then randolmy it shoot up to 1200RPM+ and sit for a few secs at idle,
 
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Muckman

Not a M0derator
Ugh are we really fixing a 24 year old car? You just spent more on the parts than the whole car is worth. Maybe its time to trade it in.
 

STWalden

New Member
ugh just got the car... Paid $325 For it, planning to be a project car. Pretty clean body for its age and almost perfect interior seats look brand new in it and steering wheel is even in pretty good shape. 130K miles so kinda low miles for the year as well.
 

Ganyon

Active Member
Maybe check for any vacuum leaks. Could have something to do with the idle.
 


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