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bad ignition timing!! need help!

 
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Old 11-20-2010, 02:11 AM
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bad ignition timing!! need help!

to make long story short i had a ignition problem becuase of the oil getting into my spark plug so i replace spark plug's,wires and the ICM in my distributor becuase the car wouldnt start.now it starts and works but the whole car shakes and the rpm's a at 0, but the car doesnt stall .seems to me like its bad ignition timing.not a whole lot of info on this subject on the net and i cant find in the service manual either.how can i adjust the ignition timing in my prelude since in obd2 systems the ECU adjust's it it self.thanks alot.
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Old 11-20-2010, 12:33 PM
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Re: bad ignition timing!! need help!

Actually, it is in the service manual: "If the ignition timing is incorrect, replace the ECM (there is no way to adjust ignition timing)." But I think your problem is more easily fixed...I think you've attached the spark plug wires to the ignition in the wrong order. Have another look at the order pictured in the service manual and verify they're in the right spots.
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Old 11-20-2010, 01:09 PM
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Re: bad ignition timing!! need help!

the wires are in the right order, if they werent the car wouldnt start at all.
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Old 11-20-2010, 01:20 PM
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Re: bad ignition timing!! need help!

Not quite true (I've proven it!), but OK. The next thing I'd do is to make sure everything is actually connected well, and the parts are actually working, both the ones you installed and others in line. I've had brand new spark plugs crack their insulators after being tightened, for instance, even using a torque wrench. It definitely sounds like an ignition issue, but if the ECM was working before, there's no reason to believe it's abruptly gone bad until you've traced through all the easier stuff.
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Old 11-20-2010, 04:31 PM
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Re: bad ignition timing!! need help!

i took out a spark plug and plugged it onto the spark plug wire, my bro was cranking the motor and i saw spark in every spark.so the spark is not the issue.i just whish there was a way to check the ECM.
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Old 11-20-2010, 09:47 PM
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Re: bad ignition timing!! need help!

I would bet u u put the rotor on 180 degrees backwards. Check that. Happened to me when I replaced mine haha. To do it the easiest way do it while the dizzy is still on the car. Just remove the cap take the rotor off and turn it 180 degrees. Then put the cap back on and try it. Hope it helps
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-21-2010, 06:38 PM
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Re: bad ignition timing!! need help!

diamond_lude i dont think thats possible.theres only one way the rotor fits onto the ditributor, i tried it and it didnt make sense to me becuase you can only put the rotor a certain way on.maybe you meant that i put the distributor on to the camshaft the wrong way .?
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Old 11-21-2010, 06:40 PM
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Re: bad ignition timing!! need help!

No I kno that. What could have happened tho is that when u removed the rotor u spun the distributor shaft (part the rotor screws onto). If that happened ur timing will be off.
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-21-2010, 07:32 PM
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Re: bad ignition timing!! need help!

so if i spun the shaft without the rotor being on the shaft then it would mess up the timing?how would it know i did that since the distributor was off the car.i might of done that but how can i fix that issue now?
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Old 11-21-2010, 07:36 PM
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Re: bad ignition timing!! need help!

Its easy bro. Install the dizzy on the car. It'll only go on 1 way. Once the dizzy is on (unless u haven't put it on yet) remove the cap. U dnt have to remove the rotor again. Just look at it and spin it 180 degrees for where it is. Then put the cap back on and start the car. If that's ur issue it'll fire right up
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Quote:
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-21-2010, 07:38 PM
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Re: bad ignition timing!! need help!

spinning the the rotor with the dizzy on 180 degrees is by turning the whole motor right?
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Old 11-21-2010, 07:42 PM
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Re: bad ignition timing!! need help!

No. Put the dizzy on the car. Make sure it fits flush like it should. When u put the dizzy on the car leave the cap off. This way the rotor will be exposed. Once installed turn the rotor with ur hand 180 degrees. Make sure u battery is not hooked to the dizzy when u do this or ull get electrcuted lol.
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Quote:
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-21-2010, 07:50 PM
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Re: bad ignition timing!! need help!

i dont think thats possible man. i just tried it its not going any where.the camshaft is holding the distributor shaft and its impossible to turn it.or i just dont get what you saying.the dizzy is on the car bolted on with the cap off i put the rotor on and tried turning the rotor it did not go any where. are we on the same page?
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Old 11-21-2010, 08:03 PM
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Re: bad ignition timing!! need help!

Aight that's my bad lol. Sry I'm workin on my own project as we speak so I got distracte haha. But no look @ how the rotor is positioned on the car now (won't start). Unbolt the dizzy n spin the rotor 180 degrees n then reinstall. Should fire up after that. Sry for the confusion haha
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Quote:
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-21-2010, 08:10 PM
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Re: bad ignition timing!! need help!

yeah that wont work either cuz the dizzy fits onto the camshaft onlu one way and if i do that then the dizzy wont go on to the camshaft.well thanks for the help man.i kinda got my hopes up tho.
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Old 11-21-2010, 08:14 PM
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Re: bad ignition timing!! need help!

Dude I promise u its possible. I've done it. I had to about a month ago. The dizzy fits into the camshaft the same way it'll just be spun 180 degrees. Trust me. Go try it
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Quote:
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-21-2010, 08:23 PM
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Re: bad ignition timing!! need help!

The dizzy goes into the camshaft n looks like this "[". If u rotate the rotor 180 degrees it still goes into the camshaft looking like that. "[".
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High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 11-22-2010, 02:36 AM
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Re: bad ignition timing!! need help!

found the problem.bad ecu.bought a p72 on craigslsit today and it worked. but it misfires like crazy and i can feel a change in power also.
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Old 11-22-2010, 02:51 AM
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Re: bad ignition timing!! need help!

might want to get a tune :P lol
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