TomRhere Posted July 1, 2012 Share Posted July 1, 2012 (edited) Didn't have a "Check Engine Light" bulb in the dash, do now. But CEL is constantly "on" now. Pulled codes, got a 55-EGR gas temperature sensor circuit open or shorted. Didn't know these cars monitored EGR temps...... What am I looking for here? edit; Haynes doesn't give info about that sensor, just talks of the solenoid and EGR valve itself. Edited July 1, 2012 by TomRhere added info Link to comment Share on other sites More sharing options...
turbosubarubrat Posted July 1, 2012 Share Posted July 1, 2012 u should get a factory manual like me:Dthere rare but well worth finding and well worth buying i would look in my book for u but mines for the ea71 and ea81:o Link to comment Share on other sites More sharing options...
Loyale 2.7 Turbo Posted July 1, 2012 Share Posted July 1, 2012 u should get a factory manual... Yes, click on my Avatar and Scroll down 'till you Find the Download Link. Kind Regards. Link to comment Share on other sites More sharing options...
l75eya Posted July 1, 2012 Share Posted July 1, 2012 I think that might mean you've got a California model soob if it has an EGR Temp sensor. Link to comment Share on other sites More sharing options...
987687 Posted July 2, 2012 Share Posted July 2, 2012 Does the car run well? Do you have to pass emissions? If the answers are yes, no. Put tape over the CEL. It as the best fix I've ever done on my car... Link to comment Share on other sites More sharing options...
TomRhere Posted July 2, 2012 Author Share Posted July 2, 2012 Can't say if this is a California Model, but the Wagon did come from Washington State. I haven't noticed any sticker or whatnot stating that it meets California Emission Laws. ECU was stuffed under the PS seat when I got the car. Wondering now if it is the original for this one, or did it come from a different vehicle. More digging to be done. Link to comment Share on other sites More sharing options...
TomRhere Posted July 2, 2012 Author Share Posted July 2, 2012 Solution found. Dug thru the FSM, and other wiring info looking for knowledge. Very brief paragraph about the EGR temp sensor in the FSM, wasn't much help to me. Listed the Ohm readings one should have during checks of that sensor. Anyways, thought of swapping in the ECU from the '92 parts Wagon, but wasn't sure if I needed to do an input to it for the Auto Seatbelts. Then I remembered getting an SPFI ECU from MilesFox awhile back. Dug it out swapped it into the Wagon. No "CEL" on now. Have to drive it around to see if any issues arise. Link to comment Share on other sites More sharing options...
987687 Posted July 2, 2012 Share Posted July 2, 2012 The auto seatbelts have their own control box in the trunk. Link to comment Share on other sites More sharing options...
TomRhere Posted July 3, 2012 Author Share Posted July 3, 2012 The auto seatbelts have their own control box in the trunk. That part I know. What I don't know is why there is an input to the ECU from the seatbelt system. I've had 3 different vehicles here with the Auto belts. Could start them and drive all over the place without the belts being "properly" fastened. It's all moot now anyway. Wagon goes down the road just fine since swapping the ECU. Link to comment Share on other sites More sharing options...
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