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no spark, someone help?

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Old 06-09-2009, 09:31 AM
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Post no spark, someone help?

1998 civic ex coupe... good coil, ecu, brand new cap rotor, waires and plugs.... anything else i can check? relays? sensors? any help would be appreciated...
Old 06-09-2009, 09:37 AM
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Default Re: no spark, someone help?

Is the CEL ON?

Have you checked the ICM in the distributor?

Does the BLK/YEL wire attached to the ICM have battery voltage with the key in ON(II)?

Does the fuel pump prime?
Old 06-09-2009, 09:44 AM
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Default Re: no spark, someone help?

cel? icm tested good. ill check for power on the blk/yel wire... and the fuel pump primes...
Old 06-09-2009, 09:55 AM
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Default Re: no spark, someone help?

CEL = check engine light
Click here.

Have you checked whether the timing belt snapped?
Old 06-09-2009, 09:59 AM
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Default Re: no spark, someone help?

check engine light never came on.... timing belt is good from what i can tell... took the valve cover off and seen the valves opening and closeing....
Old 06-09-2009, 10:03 AM
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Default Re: no spark, someone help?

With the key turned to ON(II), does the CEL illuminate for 2 seconds and then turn off?

How do you know the coil and ICM are good? Does the distributor get battery voltage?
Old 06-09-2009, 10:13 AM
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Default Re: no spark, someone help?

auto zone tested the icm and coil for me.. Im not at the car now but ill try that tonight and see if it stays on for two secounds. ...Im going to take a power probe home with me tonight and check for voltage in the dizy...
Old 06-09-2009, 11:12 AM
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Default Re: no spark, someone help?

You need a digital multimeter. Here are additional tests that will help you pinpoint the problem:

Old 06-09-2009, 11:29 AM
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Default Re: no spark, someone help?

alotta help man.... i appreiciate it...
Old 06-14-2009, 04:47 AM
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Default Re: no spark, someone help?

For Step 6, there was continuity. What do I do since there is not supposed to be continuity? Is the ICM good or bad? If it is good, what is my next step?
Old 06-14-2009, 08:29 AM
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Default Re: no spark, someone help?

Originally Posted by EdSales
For Step 6, there was continuity. What do I do since there is not supposed to be continuity? Is the ICM good or bad? If it is good, what is my next step?
There's a short in the wire.
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