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2010 Cadillac CTS Base 4dr Sedan 3.6L Premium RWD

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Rear Wheel Drive, 4 Door Sedan, Mid-Size
18 mpg city / 27 mpg hwy

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July 5, 2016, 9:17 pm

Pierre J

Question: Code P2178 and P2179

2007 Cadillac CTS, 132,000 miles

I finally received a check engine light and I looked up both codes. Has anyone here had a similar experience(s) or would be knowledgeable of the cost to repair this mess?

I looked up the codes and it indicated the possible causes as:

1. High Fuel Pressure
2. Leaking fuel injector or pressure regulator
3. Failed Mass Air Flow Sensor

Thanks.

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