On starting the 1998 Volvo v70 , the 'check engine' light comes on and then stays on. Dealer said it is due to water condensation some where and suggesed replacing some tubing with a $800+ cost. Dealer said if this is not fixed then this may ruin catalytic converter, eventually costing even more. Does this sound normal?
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I have the exact same problem on my 1998 Volvo V70 Wagon. I have it in the shop today waiting on a diagnostic assessment. Bought mine one year ago from a wholesaler, and had their mechanic look at it at that time. The mechanic made a valve adjustment and said it was fine. A friend lent me his OBD tester and it said there was a leak, but the performance of the car never really changed until now (it has been a year). Now it is runs loud although never stalls or has RPMs high or temp high. Waiting to see!
Did the dealer show you the computer diagnostic codes they found to reach that conclusion? If not, ask them to show you and then have them explain what they mean. Write them down and confirm them with another shop, then ask that shop to check on their computer.
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