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93 civic 1.5 NO SPARK NO FUEL

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Old 04-05-2011, 07:46 PM   #1
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Default 93 civic 1.5 NO SPARK NO FUEL

my buddy has a 93 civic 1.5 liter he has no spark & no fuel it just cranks he tried a new main relay a new working ecu all fuses are good

there is power to the dizzy but no spark and the fuel pump doesnt kick on at all

also he said when he jumps it for codes it just stays solid?

i had him also check all grounds he says it all seems fine & clean

any other ideas ? thanks
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Old 04-05-2011, 07:50 PM   #2
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

Replace the fuel pump and dizzy than
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Old 04-05-2011, 07:55 PM   #3
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

Triple check these two items:

1) Hood fuse 31 and dash fuse 24. One may be blown. Test for voltage to body ground at both top test tabs of the installed fuses.
2) Clean and tighten the G101 ground wire attached to the thermostat housing.
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Old 04-05-2011, 08:07 PM   #4
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

i just told him to check those he says he did but i told him to use a test light and make sure he checks those 2

he removed & cleaned that thermostat ground tho
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Old 04-05-2011, 08:10 PM   #5
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

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i just told him to check those he says he did but i told him to use a test light and make sure he checks those 2

he removed & cleaned that thermostat ground tho
There are fuse box diagrams in the FAQs sticky that will help him locate both fuses. Many people can't find fuse 24 because it's set off from the others.
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Old 04-05-2011, 08:17 PM   #6
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

does it matter if ignition is on or off to test em? i'll just tell him test every single one with a test light
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Old 04-05-2011, 08:20 PM   #7
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

also someone said to him his ignition switch could be causing this?
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Old 04-05-2011, 08:27 PM   #8
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

he said he tested everything w ignition on and all fuses are good
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Old 04-05-2011, 08:35 PM   #9
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

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he said he tested everything w ignition on and all fuses are good
Does he know where fuse 31 and 24 are? Those are the specific ones he must test. Fuse 31 can be tested with the key off, but fuse 24 must be tested with the key in ON(II). There's no reason to consider anything else until it is absolutely clear that both of those fuses are good.

If the ignition switch were bad, the dash warning lights like the CEL would not turn on when the key is in ON(II).

Last edited by Former User; 04-06-2011 at 07:17 AM.
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Old 04-05-2011, 08:38 PM   #10
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

ok well he says he tested them w ign on and they test fine ? whats next
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Old 04-05-2011, 08:59 PM   #11
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

Unplug the main relay and check whether voltage from those two fuses reaches terminals 1 and 5 of the main relay connector.

If he uses a jumper wire to short terminal 1 or 5 to terminal 7, does the fuel pump run?
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Old 04-05-2011, 09:07 PM   #12
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

k i'll give him the info !
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Old 04-05-2011, 09:08 PM   #13
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

just so im 1 step ahead if it does run then what? and if it doesnt ?
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Old 04-05-2011, 09:09 PM   #14
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

Have him test the dizzy if he has no spark... Might be just the rotor or ignitor... Check the cap as well...

As for the fuel, I'm stumped hahah.
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Old 04-05-2011, 09:21 PM   #15
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

check and make sure you here the three clicks of the main relay.
also listen for the fuel pump prime in the back seat when you turn the key.
as for no spark test the ignition coil and Ignition Module. Your Better Off taking it to autozone They can test them there Good Luck
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Old 04-05-2011, 09:21 PM   #16
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

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Have him test the dizzy if he has no spark... Might be just the rotor or ignitor... Check the cap as well...

As for the fuel, I'm stumped hahah.
One problem likely explains the lack of fuel and spark.
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Old 04-05-2011, 09:23 PM   #17
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

if the tests on the relay check out

and if pump primes or not when he jumps those terminals on relay ? then what
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Old 04-05-2011, 09:23 PM   #18
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

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just so im 1 step ahead if it does run then what? and if it doesnt ?
There's more possibilities than I want to consider at this early point. Post the results of all the tests I suggested and we'll go from there.
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Old 04-05-2011, 09:27 PM   #19
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

less if, more do please
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Old 04-05-2011, 09:30 PM   #20
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

ok i'll keep u posted :-) thanks guys
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Old 04-05-2011, 09:33 PM   #21
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

help this guy lol
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Old 04-05-2011, 09:34 PM   #22
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

do work son good luck brah
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Old 04-05-2011, 10:15 PM   #23
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

he jumped them and the fuel pump turned on !
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Old 04-05-2011, 10:24 PM   #24
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

he jumped 1 n 7 on main relay and the pump primed ?
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Old 04-05-2011, 10:28 PM   #25
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Default Re: 93 civic 1.5 NO SPARK NO FUEL

What about 5 and 7?
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