I filled up with gas yesterday, and today my 2002 New Beetle Turbo Z started hesitating and the check engine light started flashing then stayed on. I drove it home but had to put the automatic transmission in neutral at each stop light. Could it be bad gas, and if so, how can it be fixed?
Is bad gas causing my car's engine to miss and lose power? on 2002 Volkswagen Beetle
Is there a Check Engine Light on? It is more likely an ignition coil failure but proper basic diagnostic tests need to be done before jumping to conclusions.