Code 21, no spark..Help! - SR20 Forum
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Old 11-29-2010, 08:05 PM   #1 (permalink)
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Code 21, no spark..Help!

Hey I've got an s13 sr20de that currently will not start. I had it running before I took out the wiring harness to clean it up. Now that its back in it there is no spark at the coil. I have checked everything according to the FSM and everything checks out.

I have a feeling it could be the ecu (i know it usually isn't the problem). When reinstalling the harness I accidentally switched the 02 sensor and power transistor connectors. Is it possible that the power from the 02 sensor heater wire fried my ecu??

Thanks in advance for the help!
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Old 12-01-2010, 11:51 PM   #2 (permalink)
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Any help/input would be greatly appreciated!
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