pr8head Posted April 18, 2009 Share Posted April 18, 2009 I have a 92 Loyale and I think the ECU has a problem, no matter what code 34 will not go away:mad:! I was wondering does the EGR system affect my AFR? Since the code took up residents my MPG have cut down about 1/4. I replaced the solenoid but still get the code. Is there any way around it? I would like to install a HHO system but want to line out the system first. I have a Weber carb that would totally bypass all but from all my research I've found carb not good on EFI engine. PHins UP!!! ~~^~~ Tim Link to comment Share on other sites More sharing options...
naru Posted April 18, 2009 Share Posted April 18, 2009 No,not directly.It will affect MPGs in other ways,however. Read the last paragraph here:http://autospeed.com/cms/A_110577/article.html Install a working solenoid/check wiring to cure your code. Bad ECU doubtful but easily verified w/a test light. Link to comment Share on other sites More sharing options...
4x4_Welder Posted April 19, 2009 Share Posted April 19, 2009 Any code that kicks the CEL on will put the computer in open loop, so it will be running just a bit on the rich side. Link to comment Share on other sites More sharing options...
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