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03-28-2025, 10:49 PM
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#1 |
 
Drives: 2023 Camaro 2SS and 2012 Camaro LS Join Date: Sep 2022
Location: WA
Posts: 95
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Misfire on Cylinder Five?
My son recently was having a serious misfire issue on cylinder two of his 2012 V6. We replaced the fuel injectors after the stealership said that was the issue. Now he is getting misfires on cylinder five. Do you think one of the new injectors is bad or is that unlikely. The misfire is not nearly as bad now. The original issue made the car nearly undriveable. We even towed it to dealer. The new issue is nowhere near as bad and only happens after the car is warmed up and only over 3000rpm. We realized the harness had a bad clip on the drivers side fuel rail so we replaced the harness but the problem is still there. We also replaced the plugs just to be sure. Any ideas?
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03-29-2025, 08:25 AM
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#2 | |
  Drives: 2015 Z/22 Join Date: Aug 2015
Location: Ontario, Canada
Posts: 983
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So you had a misfire on #2 and replaced all 6 injectors?
There's a fairly inexpensive tool you can use to test injectors: Haven't used it myself, however. If the testing proves the injector is fine I might suspect the wiring, which I might suspect anyway since the issue only happens when the engine is warm, but then again I don't necessarily know what i'm talking about 
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03-29-2025, 05:20 PM
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#3 | ||
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Drives: 2023 Camaro 2SS and 2012 Camaro LS Join Date: Sep 2022
Location: WA
Posts: 95
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