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1993 running rich

  #1  
Old 10-07-2006, 01:10 PM
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Default 1993 running rich

Hello, I am having a problem with my 1.5 running rich and overheating. o2 sensor reading 3x the normal
 
  #2  
Old 10-08-2006, 02:38 AM
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Default RE: 1993 running rich

What exactly are you looking for? Sounds like you know the problem. Replace the O2 sensor and your good to go
 
  #3  
Old 10-08-2006, 08:26 AM
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Default RE: 1993 running rich

do you have to add water.
do the fans come on ??
 
  #4  
Old 10-11-2006, 06:16 PM
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Default RE: 1993 running rich

the o2 sensor is good . and checked with a known good sensor the reading averages about 1350 millivolts normal should be 450mv the ecu also toggles back and forth in open and closed modes. the fuel pressure controled is 35 psi and uncontroled at 46psi. the car has a new radiator , thermostat, and water pump. runs at 240 degrees at about 65 mph also has an occasional spark knock.

So thats the technical stuff anyone have any clues are these known to crack heads? I will be doing a leakdown and compression test later maybe tomorrow. this has been a really good car 169,000 miles.

Thanks in advance for any help you might be able to provide.
 
  #5  
Old 10-11-2006, 08:03 PM
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Default RE: 1993 running rich

is the thermostat opening? hows the temp gauge?
 
  #6  
Old 10-12-2006, 03:59 PM
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Default RE: 1993 running rich

Yes the thermostat is opening and it has an idiot gauge(no numbers) my scanner shows mostly between 170 and 240
 
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