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94 Si, starting problem.. engine blown?

 
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Old 05-18-2010, 05:09 PM
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94 Si, starting problem.. engine blown?

Ok.

So a friend of mine scored a 1994 honda prelude si... its a standard, 150k miles on it. Real good condition actually.

However, it does not start.. He previously had a 94 si about a month ago, but unfortunatly wrecked it(i was passenger, ha)...

All we have been told about his new prelude is that it was "running on 2 cylinders" and had a clutch put in it recently, and a distributer. Well, assuming the worst that it needed an engine, that is fine, because I took the engine out of his wrecked lude last week.

Last week I further examined the black prelude to see if it is the engine that is ****ed up... So I popped the hood, and I looked around. I noticed a wire was off the starter, and a wire from the coil pack to the distrbuter was off the distributer... I also noticed that the spark plug wire to the far right cylinder, was all ****ed up.

So, I barrowed a spark plug wire from my lude, plugged in those 2 wires, and wala that starter actually moves now(forgot to mention, the battery was dead and we charged it, and then tried to start, but didnt do nothin).

Upon turning the key, all the lights on the dash turn on, I hear the fuel pump, and the engine sounds like it wants to start..but just doesnt.

Personally, I think it's one of a few things.
  • Engine is actually blown
  • Main Relay
  • Ignition(I replaced one of these yesterday in another friends 96 lude)
  • Something else....

I want to make certain that it is the engine thats no good, before I go and tear it out.......

What things can I try to see what's up, I know it could be a million things, but I just want to make certain I won't waste my time tearing out an engine busting my balls.

The engine is bone dry on oil, i checked it a few times...

I did not pull out a spark plug and see whats up..

I did not do a compression test(Do not have the tool for that)

Let me know any ideas anyone has. I really hope its a main relay or the ignition thing, ha. Because I've done stripped his wrecked lude fully, so it would be a matter of looking in a box of parts vs yanking an engine.

Thanks guys.
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Old 05-19-2010, 08:59 AM
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Re: 94 Si, starting problem.. engine blown?

If you're hearing the fuel pump, it's probably not the main relay.

Are the wires from the distributor hooked to the spark plugs in the correct order? You said one wire was knackered...could be the set needs replacing. And definitely pull a spark plug.

No oil? As in no oil when you picked it up, or are you putting oil in and it's disappearing?
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Old 05-19-2010, 09:15 AM
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Re: 94 Si, starting problem.. engine blown?

Make sure the plugs are in the correct firing order: 1-3-2-4

Do you have a battery charger with a start mode? Try hooking it up to the car on that setting and starting it again. Maybe the battery just doesn't have enough juice.

And it sounds like you work on cars quite often. I would advise you bite the bullet and buy a compression tester. They are relatively cheap and it's a really nice tool to have around. In case you end up getting one, the results you get should end up in this range:

Max PSI: 185
Min PSI: 135

PS - I know this sounds dumb, but if it's a manual, are you pushing the clutch in?
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Old 05-19-2010, 11:17 AM
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Re: 94 Si, starting problem.. engine blown?

Like, I checked the oil on the dipstick and it had no oil on it..

I am pushing the clutch in, haha. My prelude is a manual, the car TRIES to start, the starter turns and such.

I will try to get ahold of a compression tester. How can I test to make sure its not the ignition? A friend of mine somehow bypassed my friends lude before I replaced the ignition for him, and idk how he did that, I asked but no responce.

Anyway, I will be going over there today, hopefully i'll have a list of things to try out. Honestly, probably is the engine, considering it has 0 oil.
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Old 05-19-2010, 02:30 PM
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Re: 94 Si, starting problem.. engine blown?

Okay , I will try to put things in simple as can be ,having no oil isn't telling us much were is the oil going ,is there hole some were ,first charge the batt, remove the pulgs, check connections at the stater,make sure ground is tight at the batt and the chassie,try to see if you can move the engine by hand ,remember it has to move counter clockwise ,try having the car in the air with some jack stands for safety, the reason i said take out the plugs it makes it easier for turning the engine .The next thing you should do is turn the engine to make sure its not locked up .The reason i didn't say check other things ,is because if the engine is GONE it would be a waste of time .The next step is if the engine turns, then you have better idea of were your at this time ,Like the dbdn6604 said do compression and check your timing 1324, and the distributor ,the rotor inside the distributor should be pointing at n1# plug wire and the piston should be at tdc .or top,dead center.Hope some of this info is good for you okay there are write up on this matter, if need more help just aksk okay .Later john
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Old 05-19-2010, 09:08 PM
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Re: 94 Si, starting problem.. engine blown?

Quote:
Originally Posted by Superaison View Post
Like, I checked the oil on the dipstick and it had no oil on it...Honestly, probably is the engine, considering it has 0 oil.
A dry dipstick is more like 2 quarts low -- not good, but not necessarily bone dry. I'm trying to figure out if that was a one-time bad deal -- you picked up the car and found it had no oil in it -- or you put oil in it and the level went down again. It has to go somewhere, and if you're not seeing it on the ground, it means it's somewhere else besides draining back into the crankcase...that's bad. Definitely pull the spark plugs -- if they're oily, there's a clue that something's let go and allowing the oil to pass into the combustion chamber and stay there until burned off. If it's alot of oil, that might explain why it won't start -- tough to make a spark through a coating of oil!
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Old 05-20-2010, 07:57 AM
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Re: 94 Si, starting problem.. engine blown?

Yeah, haven't pulled the plugs. I swapped the distributer + coil + plug wires last night, same ****..

And the car had no oil when we got it. I think tonight I am going to start pulling the engine. .. I feel might as well, as I atleast know that engine runs.
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Old 05-27-2010, 01:08 PM
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Re: 94 Si, starting problem.. engine blown?

I pulled the engine, putting the "new" one in now.

As I was pulling the original one, i noticed the oil pan was missing bolts, and a lot of them were loose. wtf lol.
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Old 05-27-2010, 01:14 PM
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Re: 94 Si, starting problem.. engine blown?

Quote:
As I was pulling the original one, i noticed the oil pan was missing bolts, and a lot of them were loose. wtf lol.
Rad. lol. That motor = fail.
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Old 05-27-2010, 01:16 PM
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Re: 94 Si, starting problem.. engine blown?

Yep, pretty much. I will be teaching myself how to rebuild with this engine, so I can replace that turd f22..

My lude will be an Si then! It is all Si, except for the motor/tranny. lol.

Friggin f22. I may use my f22 bottom end, may make **** easier for me, plus it'll be boost friendly!
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