91 da9 with b20b starts then dies
03-05-2012, 12:56 PM
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91 da9 with b20b starts then dies
whats up guys i need your help,,i just recently swapped in a 98 b20b in my 91 da9,,theres no check engine light or any codes coming from the ecu,,only mods are aftermarket intake and dc headers,,when i turn the key over i can hear the fuel pump work,,and i just changed the fuel filter to,,so i start the car and it stays on for like 5 seconds then just dies,,can you guys help me? thanks
03-06-2012, 05:27 PM
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Re: 91 da9 with b20b starts then dies
my integra is obd1 already i thought it was obd0 but its obd1 i checked under the hood and it says its obd1,,when it dies out it takes like 3 tries then itll start up but then die out again,,and yes im using the da injectors and fuel rail
03-06-2012, 06:34 PM
#4
Re: 91 da9 with b20b starts then dies
when the problem occurs, with key in run position, do you hear the 3 clicks of the main relay? 3rd click accompanied by the CEL shutting off.
when cranking, does the tach needle move at all?
when cranking, does the tach needle move at all?
03-06-2012, 07:05 PM
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Re: 91 da9 with b20b starts then dies
Yes I can hear the 3rd click and the cell shutting off..yeah it moves a little..when I press the gas pedal it still dies
Last edited by Rexer23; 03-06-2012 at 07:59 PM.
03-06-2012, 08:07 PM
#6
Re: 91 da9 with b20b starts then dies
and this happens every time? only runs for 5 or so seconds and dies? no exceptions?
if so, it's possible the pump is priming but won't stay running. in which case it could still be a main relay issue.
but before the swap, did everything work fine?
if so, it's possible the pump is priming but won't stay running. in which case it could still be a main relay issue.
but before the swap, did everything work fine?
03-07-2012, 11:50 AM
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Re: 91 da9 with b20b starts then dies
yeah it dies everytime i start it,,only stays on if i keep spraying starting fluid,,yeah before the swap everything ran perfect,,but its been sitting for almost a good year
Last edited by Rexer23; 03-07-2012 at 12:08 PM.
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03-07-2012, 12:11 PM
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Re: 91 da9 with b20b starts then dies
Do you have a fuel gauge? Hook one up to the top of the fuel filter canister. When the car dies, check the gauge to see if there is pressure.
03-07-2012, 06:26 PM
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Re: 91 da9 with b20b starts then dies
if it runs off starter fluid, problem is fuel related. judging by how notorious main relays are for these cars, i'd pull it and have a close look at the solder joints. or if you have another one handy, give it a shot
03-07-2012, 07:30 PM
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Re: 91 da9 with b20b starts then dies
i have the money to buy a new main relay,,should I just do that? Also I checked my spark plugs today and there black signs of it running rich?
03-09-2012, 01:54 AM
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Re: 91 da9 with b20b starts then dies
Does it turn off as soon as you let go of the key? Its a longshot, but it wouldn't hurt to check the ignition switch.
03-12-2012, 08:06 AM
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Re: 91 da9 with b20b starts then dies
I have the same swap in the same car. Only difference is I'm running obd0 . The motor was running in my 92 obd1 da ,before I swapped it over to the 91 . I thought I had a fuel problem. , i change the injectors 3 times and fuel rail once and still nothing. Tonight I'm going to try a different dizzy and I'm going to check that main relay if I have any luck ill let you know.... If you get yours on let me know, I've been working my head on this car.
03-12-2012, 03:33 PM
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Re: 91 da9 with b20b starts then dies
I got my car to start and stay on. I had a dizzy problem , I was using an obd1 dizzy on the obd0 car with a jumper harness. My car is all obd0, computer ,injectors ,Ect. I change the dizzy to an obd0 and it work perfect. I hope this helps you. Make sure if your obd0 or obd1
03-15-2012, 05:07 PM
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Re: 91 da9 with b20b starts then dies
My da9 is obd1 it says under my hood,,it stays on if I keep spraying starting fluid but dies out once I stop spraying it
03-16-2012, 07:47 PM
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