Question about 2004 Lexus ES 330

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2004 ES330 reversed polarity during jumpstart

Blew out the 120A ALT fuse, but replace it and car starts up, but now only 1500rpm. What else should I check?

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You need to check the PCM for fault codes, if none exist, you need to follow the manufacture's diagnostic tree for "No start - no codes". You will need a manual or a Mitchell On-Demand or AllData program for this. You probably blew up the PCM.

Posted on Aug 21, 2009

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