1986 Cadillac Fleetwood VEHICLE DIED @ FREEWAY SPEED

1986 CADILLAC FLEETWOOD
101,500 MILES • V8 • 2WD • AUTOMATIC
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NEWLANDER88
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  • 1 POST
I WAS DRIVING AWAY FROM AN AUTO AUCTION LOT WHERE I BOUGHT A '98 FLEETWOOD CADILLAC. IT SEEMED TO DRIVE FINE, BUY 8 MILES DOWN THE ROAD THE CAR SEEMED SLUGGISH IN ACCELERATING. TRAFFIC VARIED BETWEEN 35MPH TO 65 MPH. WHEN TRAFFIC CLEARED, THE ACCELERATION SEEMED MORE AND MORE LABORED. EVENTUALLY THE CAR STALLED AFTER I LET OFF THE ACCELERATOR, AND I PULLED TO THE SIDE OF THE ROAD. AFTER RESTARTING THE CAR, I PULLED OUT AGAIN TO FIND LABORING ACCELERATION. AS SOON AS I RELEASED THE ACCELERATOR THE CAR STALLED AGAIN. I RESTARTED IT IN NEUTRAL WHILE COASTING, BUT AGAIN IT STALLED WHEN I RELEASED THE ACCELERATOR. I PULLED OFF THE FREEWAY, AND TRIED TO RESTART THE VEHICLE. THE BATTERY EVENTUALLY WAS TO WEAK TO TURN OVER THE ENGINE.[img:9dff5c67bf]http://www.2carpros.com/forum/automotive_pictures/506789_BEST_DRIVERS_FT_QTR_1.jpg[/img:9dff5c67bf]
Mar 25, 2010 at 2:44 PM
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FACTORYJACK
  • CAR REPAIR CONTRIBUTOR
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I would start with checking the fuel pressure. If that don't lead to a conclusion, check for a restricted exhaust. You can do a quick check on the exhaust by pulling an oxygen sensor, or disconnecting the pipe pre-catalyst, and seeing if it runs better.
Mar 25, 2010 at 11:18 PM
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