new fault code 1664 where to start ?
01-30-2020, (Subject: new fault code 1664 where to start ? ) 
Post: #4
RE: new fault code 1664 where to start ?
also, none of that system is going to work properly if you have engine sensors reading wrong and clogged up.

do a complete egr tune-up while your at it and replace the IMAP and other important sensors. The exhaust system only gets clogged up and fails because the engine is not running right. Its a 'filter' .. it don't make soot,... is collects it.


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RE: new fault code 1664 where to start ? - Rawze - 01-30-2020



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