. What could be causing this.

1993 CADILLAC ELDORADO
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CAROLFOR
  • MEMBER
  • 1 POST
Just replaced ERG valve amd cyliniod and fuel injector hose. Now car is hard to start,****** when driving and sitting still like it's going to cut out amd black smoke is coming from the tailpipe.
Nov 11, 2011 at 10:51 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Check fuel pressure if its within specs-Black smoke indicates its runningto rich -could be an oxygen sensor, leaky injector, fuel pressure regulator and coolant temperature sensor-
Nov 11, 2011 at 10:57 AM
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