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I have a 1995 gmc jimmy 4x4 and it has a rough idle, and ...
Sent to Car Experts June 14 05:33 PM

I have a 1995 gmc jimmy 4x4 and it has a rough idle, and uses alot of gas now, also black smoke comes out of the exhaust now what is the problem.I have replace the iac sensor, and the map sensor

 

Optional Information:
1995 GMC jimmy4x4 v6

Already Tried:
replaced the iac sensor and the map sensor

Customer (name blocked for privacy)
Answer
June 14 5:39 PM (6 minutes and 22 seconds later)
         
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