Someone please help me! My wife has a 2015 Chevy sonic 1.8l with around 95,000 miles. I have recently replaced valve cover, spark plus and coil pack and oxygen sensor. In the last week or so the car has started to jar/jerk intermittently but this only happens on the highway under acceleration around 70mp and 2600 rpm. It has a loss of power and jerks for a few seconds until she lets off the gas and drops speed. It doesn’t happens all the time. I replaced the valve cover because the pcv valve went bad and also replaced the oxygen sensor bank 1. Then the car started the jarring so I replaced plugs and coil pack but it still happens. I threw a p0132 code for and oxygen sensor and said it was running to rich. Could it be the injectors or fuel pump? Any suggestions would be greatly appreciated! I have read these forums for years and they have been a great tool so I decided to finally join. Thanks!
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