1988 Cadillac Deville

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  #1  
Old 02-23-02, 03:08 PM
zed101
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Post 1988 Cadillac Deville

I have a 1988 Cad Deville that posted before. I was told that my cad might be dumping fuel causing the black smoke. I checked autozone for a fuel pressure gauge as suggested, but they did not have one. The smoke is getting thicker. While driving, the car boggs down, runs sluggish, and does not accelerate (unless I back off the pedal and start pressing it again). Sometimes, it hesitates then also. What suggestions do you have?
 
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  #2  
Old 02-23-02, 03:55 PM
Joe_F
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Get the fuel pressure gauge. You could also have a bad MAP sensor or a vacuum leak. Most parts stores can test the parts before you replace 'em.

See my signature file. What are your trouble codes?
 
  #3  
Old 02-24-02, 06:44 PM
Gix
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perhaps your egr valve is coming on prematurely , suggestion? locate it and disconect the vac line to it see if the symptoms clear up
 
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