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CEL triggers only while cruising
1989 K1500 RCLB 5.7 TBI The only components that aren't new are EGR vavle, ECM, ESC module, fuel pump, and MAP sensor. I will be checking the MAP sensor and fuel pressure today. Has shorty headers with true dual. Fresh top end gasket job (no leaks). The truck runs great, idles like a dream...- Madison Mehlhose
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- Replies: 40
- Forum: Engine Performance + Maintenance
