× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: JEEP GRAND CHEROKEE Black Smoke
Posted to Technical Discussion Forum on 1/16/2014

If you don't have fault codes then look to components. The maf voltage looks high. Your service info should have a test for the maf. Also, verify the base inputs are correct, such as engine and intake temp, rpm input and so on. Hope this helps. Login to read more.