bstone Posted February 11, 2018 Share Posted February 11, 2018 Just got this code on my 97 OBW. I imagine the EGR valve is likely stuck or one of the hoses need replacement, but before I go tinkering I'd enjoy to get your alls opinion. I'll make sure to repost back with updates. Link to comment Share on other sites More sharing options...
Bushwick Posted February 11, 2018 Share Posted February 11, 2018 There are ways to test the EGR. Check this vid out https://www.youtube.com/watch?v=iT8Iww44nZM it's for a Vette, but testing should be the same. High quality and he explains in detail with EGR off the car while actually testing it. 1 Link to comment Share on other sites More sharing options...
bstone Posted February 11, 2018 Author Share Posted February 11, 2018 There are ways to test the EGR. Check this vid out https://www.youtube.com/watch?v=iT8Iww44nZM it's for a Vette, but testing should be the same. High quality and he explains in detail with EGR off the car while actually testing it. I'll check the hoses and pull out the EGR in the next few days and see if it holds pressure just like he showed. I have a feeling the diaphragm is shot after being in use since 1997! Link to comment Share on other sites More sharing options...
wtdash Posted February 12, 2018 Share Posted February 12, 2018 Tangent: backpressure transducer / BPT (spaceship) - I don't know if that throws the same CEL code when bad but I used a spare from a '90s Toyota. Link to comment Share on other sites More sharing options...
bstone Posted February 12, 2018 Author Share Posted February 12, 2018 (edited) Hey guys, it turned out to be the hose from the EGR valve to the solenoid had popped off on the solenoid side. The hose was loose and tired so I cut off the end and plugged it back in so now it’s nice and tight. Sorry it’s not something more involved but thank you for the help! Edited February 12, 2018 by bstone Link to comment Share on other sites More sharing options...
Bushwick Posted February 12, 2018 Share Posted February 12, 2018 Anytime it's a simple fix, it's a win-win in my book! Glad it got sorted! Link to comment Share on other sites More sharing options...
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