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1991 Cadillac Deville black smoke from exhaust

Tiny
PAM PENDLETON
  • MEMBER
  • 1991 CADILLAC DEVILLE
Other Category problem
1991 Cadillac Deville V8 Wheel Drive Type unknown Automatic 176577 miles

Where is the fuel pressure regulator & heater control valve located?
Sunday, February 3rd, 2008 AT 9:51 PM

1 Reply

Tiny
BUZZSAW
  • MECHANIC
  • 1,198 POSTS
Black smoke is carbon thats has built up over time, take it to the highway and stomp it to the floor and clean it out, then get a top engine clean
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Monday, February 4th, 2008 AT 6:24 PM

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