C0550 Diagnostic Trouble Code Discussion for September 2017
ECU performance
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| Help Request | Posted | |
| 2006 Pontiac G6 GTP 3.9L Hesitation, Stall, MIL Lamp on VIN: 1G2ZM55176 C0550: ECU performance. ... intermittently when accelerating from a stop has a severe hesitation - almost feels like trying to accelerate through a rev limiter - under medium to hard acceleration until you reach around 25-30mph and then it drives normally. If you back off the gas and... |
September 14, 2017 |
