2015 Camaro 3.6 V6. A shop replaced my fuel injectors and connectors with O’Reilly parts, the car started misfiring the next day.
I took it to another shop. They found misfires on the passenger side and replaced those injectors and connectors with OEM parts. However, he reused the original driver-side injectors, Teflon seals, and O-rings because they still looked good.
An hour later the driver side started showing misfire codes that weren’t there before. He said the remaining aftermarket injectors are causing the problem.
He recommended replacing the driver-side injectors and connectors with OEM parts,
My questions:
1. Could reusing the two-month-old driver side Teflon seals and O-rings have contributed to the new misfires?
2. If he replaces the driver-side injectors, do the new one week old passenger-side fuel injector teflon seals & O-rings also need to be replaced? After a week installed? Tho in good condition?Because he said he will just reinstall passenger side seals as is. Unless he sees a damaged seal
I’m short on money, so I don’t want to buy unnecessary seals if they’re still safe to reuse. He told me they looked good and could be reused. What’s your professional opinion?
I took it to another shop. They found misfires on the passenger side and replaced those injectors and connectors with OEM parts. However, he reused the original driver-side injectors, Teflon seals, and O-rings because they still looked good.
An hour later the driver side started showing misfire codes that weren’t there before. He said the remaining aftermarket injectors are causing the problem.
He recommended replacing the driver-side injectors and connectors with OEM parts,
My questions:
1. Could reusing the two-month-old driver side Teflon seals and O-rings have contributed to the new misfires?
2. If he replaces the driver-side injectors, do the new one week old passenger-side fuel injector teflon seals & O-rings also need to be replaced? After a week installed? Tho in good condition?Because he said he will just reinstall passenger side seals as is. Unless he sees a damaged seal
I’m short on money, so I don’t want to buy unnecessary seals if they’re still safe to reuse. He told me they looked good and could be reused. What’s your professional opinion?
Nov 14, 2026 at 1:20 PM