Below is a DIY on cleaning up the Prelude's EGR.
Could be an EGR port clogged with carbon. Remove and clean EGR and EGR ports.
== == First off Your Honda is really an Isuzu Rodeo, but you already knew that. These have the GM electronic egr. if you have the 3.2 motor. The only way to fix it is to replace the egr valve.
seek to find code 504 and it will lead you that will help give you further instructions about code505!!.
honda dealership much? ask them
The cost to fix a timing belt on a Honda Prelude will vary depending on labor costs, parts, and location. On average, prices will start at about $400 to change the timing belt.
my 91 Honda prelude 4ws si with 2.1 engine had high idle in park. then my timing belt went put a new belt on hasn't done it yet!!! I do not fix them, I bring it to the dealer and let them fix it.
my Honda prelude 1986 si wants to cut off after its warmed up . any sugestions on what ot could be
take the EGR valve off and spray carb cleaner in the egr valve and in the port. This will some times work as it gets plugged up
Fixing a 1991 Honda Prelude varies depends on what exactly is wrong with the car. If there is a CEL take the car to a have a diagnostics test done. This will help narrow down the problem to the source.
What to do when the gear is stuck in park on a Honda 2001
I dont know much about hondas but the handbrake should connect to the rear brakes inspect the area underneath you're prelude to see where it goes and see if the cable is broken or is it is connected etc.