Welcome. Start by doing a compression check and swapping to ngk bpr6es spark plugs. If compression is fine, change oil and perform a tune up on the car (oil, swap air filter to k & n, fuel filter, etc). You will also want to do a boost leak test in the near future to check for vaccum leaks.
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97 Viper GTS
03 Mercedes CLK500 rollin on dubs...
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