"No start" Due to Failed Fuel Pump (Main) Relay on Acura Integra

The main relay, which supplies power to the fuel pump, can fail. The engine will crank but fail to start (or start intermittently).

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Average mileage: 167,500 (300–287,000)
12 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
39 people reported this problem
16 people shared problem details
1991 Acura Integra191,000
Car would not start unless you turned the key many many many times until it would randomly crank. Replaced main relay and problem was fixed
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1991 Acura Integra195,000
happens when hot outside. gets hot under dash where located and sometimes starts alright, sometimes starts after waiting a few minutes and towards the end wouldnt start at all in the heat of the day. replaced it and all is well again. fairly easy repair, under steering wheel up under dash.
1990 Acura Integra260,000
Engine would only start intermittently when warm (e.g., after getting gas). Removed fuel pump relay, resoldered the terminals, and reinstalled. Problem solved easily and cheaply.
1991 Acura Integra200,000
car will start normal but some days if its hot out the car wont seem to start,i thought it was the distributor then the cap then the roter but nothing seemed to work till i looked up that if you park on a hill or a hot day the fuel pump dose not send fuel to the engine due to the main relay
1993 Acura Integra90,000
I have had a new fuel filter, new plugs, wires, battery, and other miscellaneous parts put on to fix this problem. It is still not fixed. I will be looking for a fuel pump relay to see if this solves the issue. The car starts with no problem for long periods of time, then suddenly it turns over but won't fire and I have to shoot starting fluid into it and it will start up almost every time. Once it starts having issues, I do not take it far from home just in case. If I have no issues for a couple of months, I will take it out of town. I have also had this problem in hot weather, but no limited to hot weather.
sinse 145000 when hot (houston tx summer)occaisally the car wont start start after being driven. wait 15 second the car starts,main relay
if its hot outside the car will not start.have changed the distributer and the ecu.
1990 Acura Integra200,000
No start due to main relay. Once it was changed, no problems since
Some times the car will start other time it don't. When it don't start it sound like the fuel pumps not turning on. Have waited then after a while it will start. Have taped over fuel pump under back set and it start.
1996 Acura Integra287,000
Try to start but dyes fuel pump is working
1990 Acura Integra214,000
The check engine light will go off and you hear a click at the same time you hear that the car starts if you don't it won't or the check engine light stays on until you cycle it enough til it returns to normal I've been trying to pinpoint the location so I know which one it is$93 to get the relay to replace
1991 Acura Integra155,200
I just bought a new battery for my 1991 acura integra ls automatic. I have put the battery on hooked up the negative and positive on the battery and the car isn't receiving any power. When I put the key it does turn on anything and doesn't crank at all. What could this be?
1996 Acura Integra140,000
My car would only start with my key held up to the dash.
My '91 integra will start, thrn after tunning a couple of minutes dies dur to too much fuel. The plugs are sstirated . The mileage is on s rebuild.
2001 Acura Integra155,000
2001 Honda Accord randomly not starting. The car has a new battery so that is not the issue. Apparently it is the fuel pump main relay. Quick fixes: You can either slide your key into the ignition very slowly or you can start it normally and hold the key forward. Permanent fixes: Replace the relay or open up the old one and solder the cracked contact joints inside.
My acura integra won't start.i put in a new Rotor and cap,plugs,plug wires and ignition relay.and it still won't start it cranks over but won't start.the fuel pump was put in a year ago new.everything has power
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