Map sensor problem fuel presure?????????????????
 

i tried doing all what the honda service manuel say to do still have a map problem code5 anyone pleases help i have a skunk2 obd2 to obd1 harness with a 95 b16 in my ek

i also have a fuel pressure problem cant lean out the fuel presure i only can richen it up i have a bnm regulator and presure gauge i also change the gauge and fuel filter nothing happen still
cant lean it out presure is at 55 when engine is warm.

Re: Map sensor problem fuel presure?????????????????
 

b&m is one of those add to the oem regulator ones right?? if so they cannot lower the pressure, only raise it.

through a stock regulator on there and check pressure, if its still high u might have a clogged return line.

Re: fuel presure?????????????????
 

how do you check fuel return line????????????????