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06/01/2021 6:39 am
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Hello I have a 2005 GMC Enovy xl my is the 4.2L I keep getting p0302 and p0303 I have replaced both the spark plugs and ignition coils for all and afterward I have erased the code and run it for 50 miles and it came back on for p0302
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06/01/2021 6:51 am
Do you also get P0300? If yes https://youtu.be/OyvdWeyDHf4
If you only have P0302 moving forward, check your fuel injector on #2.
