I done the dpfi-mpfi swap on my 89 civic hb and everything is fine except for a hessitation during low rpm's. Does anyone know what that could be and how i can go about fixing it?

 

check your cylinder positioning sensor wires and make sure they arent hooked up backwards

 

where is the cylinder position sensor?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 89cvchb &raquo;</TD></TR><TR><TD CLASS="quote">where is the cylinder position sensor?</TD></TR></TABLE>
Its in the distributor. You used an Si or EX distributor right? Its the wires you were suppose to add from the ECU to the distributor, not sure what color they are though.

 

blu/grn and blu/yel, pins b10 and b12 at the ECU, switch them. If they are backwards the hestitation is caused from the timing being retarded. HTH

 

check your dist. timing

 

you can also use the CRX HF distributor.

 

tried switching the cyclinder sensor wires and still getting a hesistation, also when i am holding the throttle in the same spot during low rpms it sounds like the fuel might be cutting out or isn't getting enough

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by pokemon &raquo;</TD></TR><TR><TD CLASS="quote">blu/grn and blu/yel, pins b10 and b12 at the ECU, switch them. If they are backwards the hestitation is caused from the timing being retarded. HTH</TD></TR></TABLE>

won't that throw a code if they are wired backwards?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by YumVTEC &raquo;</TD></TR><TR><TD CLASS="quote">

won't that throw a code if they are wired backwards?</TD></TR></TABLE>

sometimes it wont i drove for 3 monthes without one, then i looked at the ecu and figured it out

 

is there anybody in VA that can help this guy out like personally go check the car out?