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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 8, 2011
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Open Help Requests for Asian
Help Request Answers
2004 Mazda RX-8 1.3L Surge, Poor Fuel Economy, MIL Lamp on VIN: JM1FE17244
Hello IATNrs: have here this one rotary non turbo,genisys engine, I have check all the basics, no vac leaks,no misfires, fuel pressure normal all PIDs normal,Removed injectors and check for leaks,none found, connectors to injector are in correct place, I follo... Trouble codes: P0172 (Bank 1 system too rich.)

Fixes & Summaries for Asian
Fix/Summary Answers
2006 Hyundai Sonata GLS 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5NPEU46F96
One lesson is never assume. I asked if they checked the cam timing. They did, cam to cam, not cam to crank. Problem ended up what most responses suggested. Failed chain tensioner causing timing chain to front head skip. Replaced chain and tensioners and it is ... Trouble codes: P0018 (Cam Crank Correlation), P0300 (Multiple Cylinder Misfire).
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