b18c7 conversion problem

**vtekme** · 07-01-2013 12:19 AM

hey all i need some urgent help
i have just completed a b18c7 conversion in to my ek4 civic
i have replaced timing belt,water pump,new clutch,plugs,leads
i have a problem with idling problem, the engine is running very rich
when im driving it would run great untill i let got of the accelerator then it would stall
if i rev the engine then let go it would stall
i have tried another ecu and it would do the same problem
all vaccum hoses are not leaking
i have done a comp test ( 250 250 240 250 )
there are no codes coming up

im hoping if some 1 has ran in to the same problem for some advice
any help would be great

thanks

**dorikin** · 07-01-2013 10:44 AM

check your ign timing

and check your timing belt again

**vtekme** · 07-01-2013 10:55 AM

ok will do
thanks dorikin will let u no how it goes

**vtekme** · 07-01-2013 10:55 AM

ok will do
thanks dorikin will let u no how it goes

**Slow.ek1** · 08-01-2013 07:12 AM

check air fuel sensor

**Boznian** · 08-01-2013 01:05 PM

Check ur map sensor to see if its the wrong one, theres two similar sensors that look the same around the Throttle body

**TbM** · 08-01-2013 01:15 PM

clean IACV

**Boznian** · 08-01-2013 02:00 PM

My friend had the same problem in a ek with b18/b20
it wouldn't idle and die straight away
if you drove it and let go it would stall straight away unless u rev'd it
his motor is running rich also..
problem was with the MAP sensor being plugged into the wrong plug
so he switched them both around ( they look really similar to something near Map sensor)

**mocchi** · 09-01-2013 07:26 AM

Originally Posted by Boznian

My friend had the same problem in a ek with b18/b20
it wouldn't idle and die straight away
if you drove it and let go it would stall straight away unless u rev'd it
his motor is running rich also..
problem was with the MAP sensor being plugged into the wrong plug
so he switched them both around ( they look really similar to something near Map sensor)

hella easy mistake to make
happened to me few times now