Some Chevrolet Sonic owners report experiencing starting issues potentially linked to a faulty canister purge valve. These owners note that a malfunctioning purge valve can create a vacuum leak, leading to difficulty starting the car and symptoms such as rough idle and increased emissions. Additionally, the improper opening or closing of the purge valve can disrupt the flow of fuel vapors, resulting in prolonged cranking times. If you suspect that a bad purge valve is affecting your vehicle's starting process, it is advisable to have it inspected and replaced to ensure reliable engine performance.
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