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99 7.4 data log help, running rough and rich
Hello - Hoping someone smarter than i can help me decode symptoms and data. '99 Suburban K2500 7.4 New to me rig - yesterday I replaced the spark plugs (just maintenance) and all 4 O2 sensors (had P0141 and P0161). After, upon restart, it was running incredibly rough and exhaust reeked of gas...- kar1179
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- Replies: 6
- Forum: Engine Performance + Maintenance
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