Question about 1997 Pontiac Bonneville
My 1997 Bonneville lost power while going up a long, steep hill after driving for two hours through a 103 degree valley. No idiot lights came on, all gauges seemed normal. The car just started slowing down, so I pulled over and stopped. After waiting for 20 minutes, I started it up again, and drove home for an hour at 55 MPH without incident.
I took the car to a mechanic, and the car didnt throw any codes.
The only thing that comes to mind is the catalytic convertor in the exhaust system.It can become restricted,reducing flow in the exhaust system,which also reduces engine power.These convertors run at fairly hot temperatures,and the extreme heat and conditions aggravated,or overloaded it.It's not very expensive to have it checked at a reputable muffler shop.I have seen extreme instances where this caused parts of the exhaust system to turn red,glowing hot.
Posted on Jul 17, 2008
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Posted on Jan 02, 2017
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