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Car Forum / Dodge / Dodge Cars / January 20051994 Grand Voyager, Code 21
What is a diagnostic code 21? a.. Open/short in heater circuit of oxygen sensor for 0.5 seconds a.. Amplitude of O2 sensor reduced to 0.35-0.70V continuously for more than 60 seconds in other words it isnt switching, replace it > What is a diagnostic code 21? > a.. Open/short in heater circuit of oxygen sensor for 0.5 seconds > a.. Amplitude of O2 sensor reduced to 0.35-0.70V continuously for more than > 60 seconds in other words it isnt switching, replace it Yup! From what you said, that sounds like the best thing! Thanks for the reply! >> What is a diagnostic code 21? Before I had a lot of the books I'd go to batauto.com and they have charts with all the codes, probably a bunch of other sites have them too but that's the only one I know of. > Before I had a lot of the books I'd go to batauto.com and they have > charts with all the codes, probably a bunch of other sites have them too > but that's the only one I know of. http://www.troublecodes.net |
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