1986 Cadillac Fleetwood VEHICLE DIED @ FREEWAY SPEED

101,500 MILES • V8 • 2WD • AUTOMATIC
Avatar
NEWLANDER88
  • MEMBER
  • 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 7:44 AM
Advertisement
Avatar
FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
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 4:18 PM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle