2003 Mazda MAZDA6 engine problems

Tl* the contact owns a 2003 mazda mazda6. The contact stated that while driving approximately 50 MPH, the vehicle stalled without warning. The contact stated that blue smoke was emitting from the tail pipe as the check engine light illuminated. The vehicle was taken to an independent mechanic for diagnosis. The mechanic stated that the catalytic converters were clogged and would have to be replaced. Additionally, the mechanic stated that the front passenger's side tie rod was loose and could fracture.

2003 mazda 6 with regular maintenance and approximately 60k miles. Having incidents of stalling and idling hard. Per one mechanic it is a pvc and lines. A second mechanic showed us a crack in the intake manifold. These parts are cheap since they are plastic. But the quoted installation is over $700 for just the pvc.