Fuse for the fuel pump in a 90 honda accord - 1990 Honda Accord

switch for the fuel pump located on a 92 accord can be in about three different locations under the hood or inthe boot behind one of the panels or in the driver or passenger footwell behind the panels

You need to repair or replace your car's main power relay. It is a known fault on those early 90's Accords. When it gets hot, it fails and won't supply power to the fuel pump or distributor. Have it replaced.

Try replacing the fuel pump main relay. My 90 accord had the same problem when the main relay went bad, it would take almost 10 tries to start. The Fuel pump main relay is located under under the dashboard on the far left side. The main relay is held in by a 10 or 12 mm bolt. It is small, grey, and says mitsuba main relay on it. replacing this should fix your starting problem. Also check all fuses.
Hope this helps
Matt

check fuses, specially fuel pump fuse, also have someone turn the key on while you listen for the fuel pump in the tank, if you can't hear the noise then it could be a bad fuel pump, if that's not the problem, check the timing in the vehicle..

Hi!!

Check for a 15A Fuse labeled FUEL PUMP on the cabin Fuse Box located in the front seating area, driver side, under dash, behind kick panel.

The diagram shows the Main PCM relay controlling the Fuel Pump, but it wont hurt to check the cabin fuse box under hood, passenger side, rear side of strut tower, mounted in fuse/relay box on firewall
Don't forget to rate this post, Good Luck!!!

Grab a Haynes manual #42014 and on page 4-4 it explains how to test the main relay. The main relay is located up under the instrument panel, attached to a bracket on the left side of the steering column. Also, check the number 1 fuse or the ACG S fuse found in the engine compartment. Both of these fuses are 15 amp.

Did you check #1 fuse 15 amp to see if it were blown? This fuse also controls the fuel pump. This Test procedure is from Mitchell Repair.
v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0

could be an ignighter or you may have a bad fuel pump do you hear the pump engage when the key is first turned on if not and the fuses are good then its the pump.

On a 90 accord its located under the dash near the fuse box. I am not 100% sure that the prelude is the same. On the accord it has 8 terminals and it was kinda difficult to get to. Honda is pretty good at placing things on different makes in the same location.

Its called a Main Fuel Pump Relay.. It controls Fuel Pump, Starter, Ignition.. and Like 12 things.. Get one And I guarantee that'll fix it.. It looks like a cell phone on the upper inside of the dash.. about 52 Bucks from the dealer.. Try it