duffymaddox Posted July 8, 2013 Share Posted July 8, 2013 my 1995 leggo has been throwing a 0400 egr code . I took off the egr valve and the bpt and they were real dirty so I cleaned them and all the hoses going in and out of them . I found a old outback in the j-yard and scavenge some parts including the egr valve which was cleaner but the valve is on the other side so I need to get some vacuum hose and replace it what other issues should i be looking at. Also I got the Knock sensor from the junk car and it is a single pin in a 2 pin connector can I swap out the connector and will it work ( I was also throwing a 0325 but it has not shown back up again). Any suggestion on what to look for would be appreciated I am a newbie Quote Link to comment Share on other sites More sharing options...
idosubaru Posted July 8, 2013 Share Posted July 8, 2013 ebay knock sensors are like $15, hardly worth installing a used one. unsure about EGR code. is this recent, just popped up? or has it been there for awhile? any recent engine work? Quote Link to comment Share on other sites More sharing options...
duffymaddox Posted July 9, 2013 Author Share Posted July 9, 2013 (edited) I got the leggo as a gift from my sister a year ago since then I had to replace the MAF sensor in the process of finding that problem I looked and tested everything i had every vacuum line off cleaned the pcv valve IAC unit and throttle body. I also changed the plugs to bosch platinum which I now know is not good. I had to replace a bad brake line. And just 2 weeks ago I had to put on a new harmonic balancer (Pulley) and I had the timing belt on wrong for a day which I think caused the knock which screwed up the sensor.. the CEL has been there for a while probably a 6 months.. Edited July 9, 2013 by duffymaddox Quote Link to comment Share on other sites More sharing options...
ivans imports Posted July 9, 2013 Share Posted July 9, 2013 suck on the bottom line of egr transducer and see if holds vacume if not replace it Quote Link to comment Share on other sites More sharing options...
duffymaddox Posted July 9, 2013 Author Share Posted July 9, 2013 I sucked the bottom of the BPT and it was good but I also tried to blow through the 2 lines going to the throttle body and the one seems clogged they are the 2 lines that have the throttle cable assembly all in one unit the one will not blow and the other blows but real hard should i take that apart and clean it ... Quote Link to comment Share on other sites More sharing options...
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