Haltech O2 Voltage reading 1/5 of actual -- please help
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From: Boulder, CO
O2 Voltage reading 1/5 of actual -- please help
Hello -- I'm posting this for a friend of mine who recently installed a haltech E6K ECU on his DSM. He's tried talking to the DSM folks running Haltech's but hasn't received any useful responses, if any at all -- so I'm hoping someone here might be able to help.
Anyway, he has the car running. The problem is that the software interface shows O2 voltages that are 1/5 of what the sensor is actually reading. In other words, if he uses a multimeter to measure the voltage at the O2 sensor leads, it will show 5 times the value shown by the haltech.
Has anyone here ever experienced anythign like this? Any ideas what might be wrong?
Thank you.
Anyway, he has the car running. The problem is that the software interface shows O2 voltages that are 1/5 of what the sensor is actually reading. In other words, if he uses a multimeter to measure the voltage at the O2 sensor leads, it will show 5 times the value shown by the haltech.
Has anyone here ever experienced anythign like this? Any ideas what might be wrong?
Thank you.
Thread Starter
Junior Member
Joined: Jul 2001
Posts: 43
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From: Boulder, CO
Originally posted by RETed
[B]What kinda of O2 sensor?  1-wire?  3-wire?
Looks like a grounding problem to me...this is moot if you're running a 4-wire O2 sensor.
[B]What kinda of O2 sensor?  1-wire?  3-wire?
Looks like a grounding problem to me...this is moot if you're running a 4-wire O2 sensor.
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