Volvo XC70 This wagon/SUV crossover offers the capabilities of an SUV without SUV size.

Check Engine Light with P0089

  #1  
Old 08-27-2014, 07:39 PM
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Question Check Engine Light with P0089

My 2006 XC70 started having this problem about three years ago, a repair shop replaced the Fuel Pressure Regular but did not help. After I put fuel injector cleaner, and ran a couple of hundred highway mileage, the problem went away although it still could occasionally come and go. But recently, the CEL stays even if after I put Fuel Injector Cleaner and empty a full tank. The car drives fine and does not have any problem with starting, accelerating, and idling. What might be the root cause? Should I worry about it? Thanks a lot in advance!
 
  #2  
Old 08-27-2014, 07:47 PM
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BTW the idle engine pressure is 53.5 psi according to my coder reader.
 
  #3  
Old 09-08-2014, 10:10 PM
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Just noticed the Check engine light was gone...maybe the injector cleaner helped.
 
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