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Old 09-21-2010, 09:42 PM
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1989 honda civic cranks but won't start

My 1989 Honda civic dx cranks but won't start, I replaced fuel pump,starter distributor negative cable and a new battery and still don't work it feels like if its not getting fuel but it does.
Thanks for your suggestions. eaglejc

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Old 09-21-2010, 10:02 PM
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there is a main relay under the left side of the dash. It is probably grey and has about 7 or 8 wires to it.It is 2 relays in one.
When ignition is on it powers up the ECU and the injectors and the second relay. The second relay runs the fuel pump for 2 seconds when the key is turned on.
Check for power at the injectors with the key on and also have someone turn on the key and listen at the fuel tank for the pump to run.
These relays have been a main cause of no start in a lot of those cars.
By the way I assume you allready checked ALL the fuses and such?
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Old 09-21-2010, 10:49 PM
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You need to check for pulses at the coil terminal that is connected to the ignitor in the distributor. You said you have fuel, the ignition on that car is completly controled in the distributor. Check the power feeds for the distributor, chck for pulses at the coil. If that all looks good you may have a bad cap and rotor. I have seen several Hondas with bad caps that will keep them from starting.
If it is an external coil, the coil could be bad.
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Old 09-22-2010, 01:46 PM
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Thank for your suggestions. ;
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Old 09-22-2010, 09:28 PM
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I had a '90 Civic, which is basically the same engine. They have a very well-known problem with the "packing" (or gasket) between the distributor cap and the distributor. It deteriorates and lets moisture in, and then several of the components inside the distributor begin to fail.

Now for the bad news. When I had my distributor go bad about 5-6 years ago, they could not find a rebuilt OEM unit, and I had to buy a new Honda distributor to get back on the road. I don't remember the exact price, but it was several hundred dollars.

Bruce
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Old 09-23-2010, 03:16 PM
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Thanks Bruce I will check distributor ,again for moist
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Old 09-23-2010, 03:19 PM
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Make sure the dizzy is rotating. Could have broken/stripped a timing belt.
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Old 09-23-2010, 04:56 PM
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I've actually had all three problems mentioned here with my wife's 1990 Civic. The master relay is the most likely cause. A replacement cost me about $45 but that was a few years ago. The distributor also went bad. I got a good used one and it's been fine. If it's the timing belt, you'll need a valve job. Also, replace the water pump whenever you are working on the timing belt. The pump is driven by the timing belt and you need to take the belt off to replace the pump anyway. I assume you've verified fuel pressure at the test port when you crank the motor, right?
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Old 09-24-2010, 02:31 PM
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Right, the funny thing is if I jump start the vehicle with another vehicle starts right of way .
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Old 09-24-2010, 02:35 PM
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Starter may be bad and pulling to much power from the battery and then the other components won't work. When you jump it, the other car supplies the power the other components need.
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Old 09-24-2010, 06:31 PM
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Quote:
Originally Posted by bigdog7373
Starter may be bad and pulling to much power from the battery and then the other components won't work. When you jump it, the other car supplies the power the other components need.
battery could be weak too. Either one will cause this problem if available voltage is below threshold voltage for the system while cranking the engine. check them both
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Old 09-24-2010, 07:05 PM
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Quote:
Originally Posted by eaglejc
Right, the funny thing is if I jump start the vehicle with another vehicle starts right of way .

This would have been good information to have in the first post.

Quote:
My 1989 Honda civic dx cranks but won't start, I replaced fuel pump,starter distributor negative cable and a new battery and still don't work it feels like if its not getting fuel but it does.
Thanks for your suggestions. eaglejc
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Old 09-24-2010, 07:54 PM
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Quote:
Originally Posted by sbchevfreak
This would have been good information to have in the first post.
X2
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Old 09-24-2010, 08:01 PM
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X3 was thinking the same thing. That was some valuable info he left out.


Cole
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Old 09-24-2010, 08:03 PM
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Quote:
Originally Posted by eaglejc
My 1989 Honda civic dx cranks but won't start, I replaced fuel pump,starter distributor negative cable and a new battery and still don't work it feels like if its not getting fuel but it does.
Thanks for your suggestions. eaglejc
Is the battery NEW or just a presumed good battery from another vehicle?
Did you check actual fuel pressure?Did you check for spark? Start with these basic things and post what you find.
1 check spark at each plug
2 check fuel pressure
3 check for injector pulse
4 post results
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