Thread: 89 Chevy C1500 Trouble Code 13 " Again"
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Old 02-08-2016, 07:18 PM   #2
rhandwor
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Re: 89 Chevy C1500 Trouble Code 13 " Again"
The Oxygen sensor has an internal heater to warm it up. Use a dvom and check that you have power to the sensor. If you used one where you have to install the plug these are a big problem area.
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