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Old Feb 24, 2010 | 05:31 PM
  #1  
mike L's Avatar
mike L
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Fleet Mechanic
Joined: Jul 2004
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From: va
memory codes

Had code 116. I replaced the bad ECT sensor. <NOBR style="COLOR: darkgreen; FONT-SIZE: 100%; FONT-WEIGHT: normal" id=itxt_nobr_0_0>Truck</NOBR> runs ok now. I erased the code. I check for codes the engine running, and hot. Now have two new memory codes 173 and 334, no engine light.


173 is a code for the right side o2 sensor. I have had an exhaust leak, for the last six months. Its on the right side but no code for that until after I replaced the ECT sensor.

334 is a code for the EGR sensor. I ohms tested, it's ok. It has 5 volts. I will try cleaning it next week.


Can an exhaust leak cause a code 173? Can these codes cause bad fuel mpg?

 
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Old Feb 24, 2010 | 08:02 PM
  #2  
rustee90-150's Avatar
rustee90-150
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Joined: Jan 2007
Posts: 186
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From: watford, ontario
oh ya an exhaust leak will cause that code also make sure that ur egr valve isnt stuck open a bit after u clean it. and ya that will hurt the fuel millage.
 
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Old Feb 28, 2010 | 07:51 PM
  #3  
mike L's Avatar
mike L
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Fleet Mechanic
Joined: Jul 2004
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From: va
no more codes

I soaked the EGR valve over nite, no more codes. I just need to time the engine.
 
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