Service | Repair | Diagnostic
This VW Golf 1.2 TSI is experiencing a definite misfire under load.
The customer reports that the ignition coil and spark plug leads have recently been replaced.
Curiously, the misfire seemed to decrease after the number four spark plug lead was swapped back to one of the original components.
Continue ReadingThis Suzuki came into the workshop with an intermittent misfire. It wasn’t evident on tickover or when I’d snap the throttle while stationary. But when I drove it any distance, I could feel it. Okay, so that’s the customer’s complaint confirmed. The next step was to connect a scan tool and check for diagnostic trouble codes (DTCs).
Despite the misfire, no DTCs were stored. With no codes, a different diagnostic approach will be required to prove the fault. I’m suspicious of an ignition coil but I want to prove it to be sure.
