Volvo S80 A performance sedan that offers top notch luxury, outstanding handling and so much more.

02 S80 check engine

  #1  
Old 01-24-2011, 08:20 AM
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Default 02 S80 check engine

Just bought this (90K), mechanic who sold it to me had put in a tranny, timing belt and water pump. Check engine light came on, scanner says Overhead ehaust cam timing... Seller will certainly look at it for me, but do I have any reason to worry, should I get this looked at immediately. thanks
 
  #2  
Old 01-25-2011, 09:01 AM
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Often when people work on these Volvo motors that dont know them very well mess up the timing. They dont understand how the variable valve timing unit works. The result can be that all the timing marks line up, but the timing still appears to be out. It wont cause any damage, but you might experience loss of peformance, worse fuel economy and bad starting until its fixed.

This thread has some info on setting the VVT unit correctly: https://volvoforums.com/forum/volvo-s80-18/timing-gear-camshaft-position-49525/
 
  #3  
Old 01-26-2011, 08:00 AM
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Default Thanks

I appreciate your help. This looks like a good forum.
 
  #4  
Old 02-02-2011, 06:34 PM
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Default pulled the codes

p0014, p0422, p0432

guy I bought from says he will chase these down. Any insight, advice? Love the car, seems to be running fine. MPG about 17 (mostly city)
 
  #5  
Old 02-03-2011, 08:47 AM
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P0014: Most likely the VVT was set incorrectly. After that it could be a sludged up VVT solenoid or its not happy with the viscosity of the oil in the motor. My money is on the VVT not being set right

The other two codes are cat efficiency. The T6 has two cats and four O2 sensors. Looks like both postcat (aka downstream) O2 sensors are faulty or the cats are not working and need to be removed or replaced. Removing them wont get rid of the code of course, but its cheaper than replacing them.
 
  #6  
Old 02-03-2011, 11:02 AM
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thanks nolifetilboost. I appreciate it.My daughter is a pretty slow driver, think I have a trans replacement in my future?
 
  #7  
Old 02-03-2011, 12:55 PM
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Originally Posted by jfleming094 View Post
thanks nolifetilboost. I appreciate it.My daughter is a pretty slow driver, think I have a trans replacement in my future?
Depends on the history of the transmission the mechanic put in there moreso than anything else I think. How is the fluid condition right now? If its a T6 then remeber when you goose it the tranny will be at the absolute max torque that it was designed for. My advise would be to stay up on fluid changes. Maybe do drain and fill + filter change every 15K miles/6months or so. Ive been using Dexron VI in my '99 T6 to good effect. Your 02 may have a different tranny however so verify that Dexron is appropriate

You may have an expensive cat converter repair on the horizon though. $200/cat easy + labor.
Bet the P0014 taken care of as it will affect peformance and gas mileage.
 
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