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Old 06-10-2020, 02:56 PM   #1
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Join Date: Jun 2020
Location: tampa florida
Posts: 8
misfire codes

recently had the heater control valve separate. replaced it along w1th the OAS. ran fine for about a week now throwing 0300, 0302, 0304, 0306 codes and once a 174. anyone have any suggestions? thanks

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Old 06-12-2020, 10:03 AM   #2
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Join Date: Aug 2005
Location: Sanford NC
Posts: 2,439
Look at the oil and anti-freeze. Levels and colors. Are they normal?

Always helps if in your profile or message you have described the year of your car as codes can differ.

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