2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

bad injectors

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Old Jan 12, 2009 | 06:53 PM
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scott allen's Avatar
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From: louisville k.y
Angry bad injectors

I was out riding around and the check engine light came on so i take it to the dealership and thay said 2 injectors were bad.WTF they only have 6500 miles on them any one else have problems like this?
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Old Jan 12, 2009 | 08:39 PM
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ReckleSS's Avatar
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From: Someplace
How did they determine this? Did they unplug the injector and plug in a "noid" light? I had this issue with my LS1 car. Was getting multiple misfires (throwing misfire codes). Turned out it was the actual injector wiring. I had my intake on and off so many times that the injector wiring strands were actually broken inside the insulation. This meant upon visual inspection they looked fine. I only tracked this down by doing a continuity check using an ohm meter between the injector connector and the PCM. When I would wiggle the injector connector, I would see a loss of signal intermittently.

Not saying this is your issue, only a possibility. On many GM injector harnesses, there are only like 4 strands of thin copper wire for the injectors, and they are possible to break inside the insulation.
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