spark plug not sparking?
07-06-2005, 01:39 PM
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spark plug not sparking?
we just got done swapping a b18c1 into my 99 civic coupe. the engine cranks but the spark plugs arent sparking? can anyone help out?
07-06-2005, 05:52 PM
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Re: (blackie)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by blackie »</TD></TR><TR><TD CLASS="quote">yea i dont think any of them are sparking.</TD></TR></TABLE>
ok, now the next question is the one that was asked before, how are you checking for spark? what method are you using.
after that, next step would probably be to check for power to the coil at both primary sides with the engine off.
assuming you have power to the coil, use a test light or voltmeter and probe the ground side of the coil. have someone crank then engine and see if it alternates between 0v and 12v rapidly... or on and off with a test light.
ok, now the next question is the one that was asked before, how are you checking for spark? what method are you using.
after that, next step would probably be to check for power to the coil at both primary sides with the engine off.
assuming you have power to the coil, use a test light or voltmeter and probe the ground side of the coil. have someone crank then engine and see if it alternates between 0v and 12v rapidly... or on and off with a test light.
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07-07-2005, 03:26 PM
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Re: (blackie)
that's pretty much how i do it, except i hold the center electrode against a ground. should be the same if done right...
now, you need to find out why it's not getting the spark, whether it's because the coil is bad, or the igniter is not commanding the coil to fire.
just get access to the coil, and continue on what my last post said.
now, you need to find out why it's not getting the spark, whether it's because the coil is bad, or the igniter is not commanding the coil to fire.
just get access to the coil, and continue on what my last post said.
07-07-2005, 03:31 PM
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Re: (taz77)
Check your fuses first, then check the resistance of the wires. It should be 25K ohms. Then check for continuity across the wires.
Having the plug wires arranged incorrectly on the cap would NOT cause the plugs not to fire they would just be in the wrong order.
Remove the Dis. cap and check the points of the cap. Also check therotor to see if it is good.
Then check the coil for a possible short to ground by checking continuity to the case of it. Also check to make sure the coil has continuity all the way through it.
Having the plug wires arranged incorrectly on the cap would NOT cause the plugs not to fire they would just be in the wrong order.
Remove the Dis. cap and check the points of the cap. Also check therotor to see if it is good.
Then check the coil for a possible short to ground by checking continuity to the case of it. Also check to make sure the coil has continuity all the way through it.
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