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Re: Strange O2 sensor readings Posted by Rose quartz 87 [Email] (#2119) [Profile/Gallery] (more from Rose quartz 87) on Wed, 17 Jan 2018 17:23:49 In Reply to: Re: Strange O2 sensor readings, Justin VanAbrahams [Profile/Gallery] , Sun, 14 Jan 2018 13:14:42 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Hey Justin,
Fitted the ignition coil.
Engine off I'm at 13Volts at the battery posts.
Engine running I've got 14Volts. O2 sensor cycling from 0.8v down to 0.3v briefly going to 0v now and again. Pretty normal idle I guess.
Fans cycling, battery goes down to 13.8Volts, 0volts from O2. Same if just the headlights are on.
Fans and Headlights on together I get 13.5Volts from the battery and a noticeable idle drop that isn't corrected by the IAC.
Is half a volt an acceptable drain? Would this affect fueling? Is it worth swapping in a Bosch voltage regulator?
Any advice is more than welcome.
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