Emission Control Problems of GMC Sonoma

GMC Sonoma owners have reported 3 problems related to emission control (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sonoma based on all problems reported for the Sonoma.

1 Emission Control problem of the 2001 GMC Sonoma

Failure Date: 05/08/2006

2001 GMC Sonoma sls. Started in may 2006 with 52,449 miles on vehicle: service engine soon light came on. Dealer identified bad O2 sensor and replaced ($253). Two weeks later at 53,131, ses light again. Dealer installed new check valve ($116). 3-4 weeks later at 53,892, ses light again. Dealer said water in air pump, replaced air pump and hose ($357). Now on 26 Aug (54,084) ses light just came on again. In 60 days, the light has been cleared & reset 3 times with over $700 in repairs and now another trouble.

See all problems of the 2001 GMC Sonoma 🔎.

2 Emission Control problem of the 1996 GMC Sonoma

Failure Date: 08/20/1996

Poor gas mileage.

See all problems of the 1996 GMC Sonoma 🔎.

3 Emission Control problem of the 1996 GMC Sonoma

Failure Date: 05/20/1996

Oxygen sensor failed twice.




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