How Do I Solve This Problem.

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OK so it seems as though my car has been having aloy of troubles lately. Yesterday driving down the road i got a CEL with a code 12. Something about the EGR... so how do i solve this problem and what is the cause of it? i have a 1990 prelude 2.0 SI w/ jdm b20a. thanx
 

cws13

Senior Member
Depends on an insufficient flow problem or a EGR valve lift problem. One needs cleaned EGR ports and one needs a new EGR valve.
 
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