d15b help
 

1 what does a map sencer do?
2 what would cause high hydro carbons?
went to do emissions and at idol there were 264 and passing is 160.
at cruseing there 437, and passing is 220.

Re: d15b help
 

too much unburnt fuel
ether lean ---- out or install a cat

Re: d15b help
 

it has a cat.
and how do i lean out the fuel on a stock motor.

Re: d15b help
 

how old is ur cat
what ecu are u running
is it a d15b7 or vtec

Re: d15b help
 

none vtec
on the cat dont know it has a after marlet exaust
what does the map sencer do.
its the sencer on the back of the intake not buy the intake side.

Re: d15b help
 

there is no codes.

Re: d15b help
 

map sensor reads vaccum/boost and adjusts fuel accordingly
take a pic of the sensor you want to identify and well tell you

Re: d15b help
 

retard your timing and buy a fpr and turn it all the way down. thast what i did. i got my fmu for $65 shipped

Re: d15b help
 

Tune the car. A stock honda will pass running right plan and simple no fancy tricks. Good o2/cat and no cel's and your golden