ACP97SE Posted September 27, 2006 Share Posted September 27, 2006 Hey, just purchased a '97 SE with 86k miles a few weeks ago. Since the actual day I got it the SES light came on, and has given me the codes for Knock sensor malfunction, as well as an EGR valve problem. Before I got it the used car place had to replace the valve-cover gaskets, which involved the removal of the upper intake, and subsequently they probably screwed around near both of the code causers. Do you think that had something to do with it?? So, even if I want to replace the knock sensor or just put a resistor on it, how do I get to it? Next problem, the rear end sings kind of loudly from about 30 to 70mph. It only sings when you put your foot on the gas. I changed the diff fluid the day I got it and the fluid was a kind of metallic greyish color. I put new fluid with LSD additive in and it made no change in the noise. Do you all think I have to get the rear rebuilt or what? I'm looking forward to talking with everyone on the board as I am a new member. Thanks. Link to comment Share on other sites More sharing options...
vengeful Posted September 27, 2006 Share Posted September 27, 2006 Welcome to the board! Congrats on the new purchase. First of all, your KS code is inconsequential, and it will not trigger the MIL by itself. What is the actual code triggering for the EGR Malfunction? It's possible that one of the tubes is simply kinked or pinched. The rear end whine is probably due to improper backlash in the gears or worn out friction plates/discs in the LSD. I would have that looked at by a gear/differential specialist ASAP, because you don't want it to blow up on you, as that would set you back a pretty penny! Don't forget to add your location to your profile. Link to comment Share on other sites More sharing options...
ACP97SE Posted September 27, 2006 Author Share Posted September 27, 2006 So the knock sensor itself wont trigger a light? It said something about mafunction in bank 1. I don't remember the code for the EGR, but it was something about EGR flow I think. I'll try and get it in soon for the rear problem. Thanks. Link to comment Share on other sites More sharing options...
ACP97SE Posted September 28, 2006 Author Share Posted September 28, 2006 Well, just did another check of all the hoses around the intake, as I had done 3 times before. Buuuuuut, this time I found a small hose that went from the EGR solenoid thing to the bottom of the throttle body that was disconnected. I'm hoping this will be it, so far after driving it around the block I've got no light. Link to comment Share on other sites More sharing options...
94extreme Posted September 28, 2006 Share Posted September 28, 2006 :cool2: welcome. Link to comment Share on other sites More sharing options...
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