Two problems related to gas recirculation valve (egr valve) have been reported for the 1999 Volvo S80. The most recently reported issues are listed below.
The contact owns a 1999 Volvo S80. While accelerating from a stop, the contact felt a thump from the driver side wheel. The failure occurred whenever she accelerated from a stop or decelerated. While the vehicle was parked, the contact noticed that the insulation surrounding the wires in the engine compartment were degraded. The vehicle also displayed difficulty when shifting into fourth gear. While driving approximately 70 mph, the contact could not shift out of third gear after attempting to accelerate from 40 mph. The failure occurred intermittently and the check engine light began to illuminate. The vehicle was taken to an authorized dealer where the contact was informed that the vehicle was not included in recalls 00v238000 (suspension: front: control arm: upper ball joint), 02v096000 (engine and engine cooling: cooling system: fan), and 06v441000 (vehicle speed control). The vehicle had not been repaired. The failure mileage was approximately 78,600 and the current mileage was approximately 79,100.
The contact owns a 1999 Volvo S80. While driving 40 mph, the vehicle began to slow down and the abs and engine indicators illuminated on the instrument panel. The vehicle was taken to the dealer and they stated that the trollis system needed to be replaced. The vehicle was repaired, but the failure recurred two weeks later. The vehicle was taken to the dealer again and they stated that the central module needed to be replaced. The vehicle was repaired. The manufacturer stated that the vehicle needed to be taken back to the dealer for further inspection. The failure mileage was 60,000 and current mileage was 97,000. Updated 1/8/09 the ball joint needed to be replaced, the heating system, throttle systems, engine cooling fan and the master cylinder all failed. The vehicle would accelerated on its own. The vehicle stalled on several occasions. The steering made a noise when it was turned. The dealer lubricated the steering. The dealer stated the vehicle needed an O2 sensor. The ignition switch was replaced. The inner tie rods were replaced. 01/14/09.