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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 13, 2010
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for Chrysler
Help Request Answers
2000 Dodge Caravan 3.3L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy VIN: 2B4GP45G1Y
Hello I have this van here and it is running extremly rich. Barely runs and blows black smoke. I scanned it and there wasn't any codes but that was due to the cust clearing it with a little scanner he got from the parts store but he did say there was a O2 code...

Fixes & Summaries for Chrysler
Fix/Summary Answers
1997 Dodge Grand Caravan LE 3.8L Poor Fuel Economy VIN: 1B4GP54LXV
Thanks to all who replied. Summary - went from 16.5 to approx 21mpg after ]100 miles. Replaced front O2 to resolve "rich under load" condition. Based on condition of front O2 sensor decided to replace rear also since it influences fuel control. Wish I coul...
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