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1998 Mercury Sable Car dies immediately after starting

Tiny
BEVELD
  • MEMBER
  • 1998 MERCURY SABLE
Engine Performance problem
1998 Mercury Sable 6 cyl Automatic 76000 miles

I recently had a fire in the air cleaner assembly. I replaced the boot and air intake tube, then replaced all spark plugs, added Seafoam and started the car. It started right up, idled up to 10,000 (?) Rpm, then died. I started it over and over and it always died when it reached the same rpm. Can you tell me why and/or what to check next? I'm a disabled 60 yr old woman trying to keep my old car running. Any help is greatly appreciated!

beveld
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Friday, July 9th, 2010 AT 6:54 PM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
SOUNDS AS IF YOU HAVE A MAJOR VACUUM LEAK
CHECK AND MAKE SURE ALL HOSES CONNECTED THROTTLE BODY FREE AND NO DAMAGE TO THE INTAKE MANIFOLD
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Friday, July 9th, 2010 AT 8:25 PM
Tiny
BRAVESTAR1
  • MECHANIC
  • 234 POSTS
It definitely sounds like a vacuum leak. My main guess would be a broken elbow that connects the Power Brake booster to the underside of the intake manifold. The easiest repair is to go to Lowes or Home Depot, and buy 90 degree 1/2 inch elbow and replace the busted plastic doohickey with some reinforced 1/2 inch hose.
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Thursday, August 12th, 2010 AT 8:33 PM

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