Recent content by Dave J
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Need to find out where pin #25 is on an early 99 suburban 5.7.
Need to find out which harness pin #25 is on an early 99 suburban 5.7. Tan white stripe. low voltage return for bank 1 sensor 1 o2- Dave J
- Thread
- Replies: 3
- Forum: Engine Performance + Maintenance
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O2 sensor
Early 99 gmc sub 5.7 O2 sensor not reading. 12volts and good ground for heater. Getting 4.5volt reading on blue/white stripe wire with sensor unhooked. Tried two known good sensors. What am I missing?- Dave J
- Thread
- Replies: 1
- Forum: Engine Performance + Maintenance
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