sc300 miss firing issue
09-05-13, 12:41 PM
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sc300 miss firing issue
Hey, I have an issue with missing firing that happened out of the blue and isn't consistent. When I relocated my wiring harness that was under my front driver side wheel well I unplugged the battery ever since then I have had a miss firing issue. It sounds like a dead miss fire. When I un hook the battery for a couple hours and hook it back up it runs perfectly for 5 minutes then starts miss firing again. Every time I unplug the battery terminals for a lil while and connect them again it runs fine and then starts miss firing about 5 minutes later. Anyone had this issue before??? I went back and made sure all the connecters from the wiring harness were connected properly and still have this issue. Please post any information that could potentially help me I am completely lost at this point and don't know what to do next. Thanks,
Last edited by 92300TURBO; 09-05-13 at 12:43 PM. Reason: to add details
09-07-13, 08:13 AM
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92 SC300, 192k miles on the body but the motor was completely rebuilt 30k miles ago. The 02 sensors was hard wired in about 3 months ago when I installed my emanage ultimate piggyback system.
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