aaron_weiss1
Optra Injection Problems
Summary of the thread
A 2018 Chevrolet Optra with 142,000 kilometers is experiencing issues with its injection system, leading to high fuel consumption, reduced power, stalling at idle, and smoke during acceleration. The problem is suspected to be a faulty connection in the injection system. After checking the connections, the issue was confirmed to be a defective connection, which was resolved by a professional, restoring the vehicle's performance.
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4 comment(s)
aaron_weiss1 (community.author)
Yeah, I did a quick once-over, but nothing obvious jumped out. Where exactly should I be focusing my attention?
reinhardpeters7
Mine was a loose plug on the third injector. Honestly, after fiddling around I just took it to the shop. Best money I spent. They found it quick.
aaron_weiss1 (community.author)
Right you are. I took it in, and it was a defective connection as we suspected. Cost me 95€, but she's running smooth again. Thanks!
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CHEVROLET
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OPTRA
reinhardpeters7
I had similar symptoms on my Optra. Have you checked the cable and plug connections to the injectors? That's usually the culprit.