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Discussion Starter · #1 ·
After completing the compression test, is it necessary to clear the DTC codes? What happens if you dont?
 

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Discussion Starter · #4 ·
i have a check engine light already so idc. lol costs me 100 to inspect it
 

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Quote, originally posted by 2 Tight Mike »
Why would doing a compression test cause CEL?
coils unplugged and injectors unless u pull the fpf. just unplug the batt for a couple mins and it will go away. but if it comes back then something else is wrong.
 
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