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Honda prelude cranking but wont start

 
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Old 08-27-2014, 08:12 PM
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Icon1 Honda prelude cranking but wont start

Okay boys and girls, pretty much my honda prelude wont start, it cranks but wont turn over sadly.

Things I replaced:
- Spark Plugs
- Battery
- Main Relay
- Checked all grounds and some replaced in case
- Mechanic checked block
- Compression Test
- Ignition control module

The mechanic couldn't see anything wrong with the vehicle other than him not getting communication with the CPU. He told me to get a CPU from online/junk yard because Honda is selling one for 950.. which obviously I don't want to pay and also to get it reprogrammed for 350.

Any suggestions on what I should do?
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Old 08-28-2014, 08:41 AM
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Re: Honda prelude cranking but wont start

Car-part.com
What year is your car?
Prelude1897 is parting out some crashed 5th's and a 4th.
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Old 08-28-2014, 10:03 AM
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Re: Honda prelude cranking but wont start

Quote:
Originally Posted by Mick01SE View Post
Okay boys and girls, pretty much my honda prelude wont start, it cranks but wont turn over sadly.

Things I replaced:
- Spark Plugs
- Battery
- Main Relay
- Checked all grounds and some replaced in case
- Mechanic checked block
- Compression Test
- Ignition control module

The mechanic couldn't see anything wrong with the vehicle other than him not getting communication with the CPU. He told me to get a CPU from online/junk yard because Honda is selling one for 950.. which obviously I don't want to pay and also to get it reprogrammed for 350.

Any suggestions on what I should do?
Do you have any of the manuals to show you where the power comes into the CPU? Maybe you are just missing the voltage or the ground going to the CPU...

Just something to try before forking over a bunch of money and/or time in getting a "new" CPU...
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Last edited by tonemeister69; 08-28-2014 at 10:22 AM.
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Old 08-29-2014, 11:54 AM
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Re: Honda prelude cranking but wont start

where do you live? maybe theres someone in your area that can help you. best thing to do is have a friend with a prelude come by and swap parts till you find the problem.
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Old 08-29-2014, 12:33 PM
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Re: Honda prelude cranking but wont start

Quote:
Originally Posted by bykfixer View Post
Car-part.com
What year is your car?
Prelude1897 is parting out some crashed 5th's and a 4th.
5th gen, 2001 SE "SH"
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Old 08-29-2014, 12:33 PM
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Re: Honda prelude cranking but wont start

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Originally Posted by M0B5TA View Post
where do you live? maybe theres someone in your area that can help you. best thing to do is have a friend with a prelude come by and swap parts till you find the problem.
I'm from Milton, ON
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Old 08-29-2014, 07:39 PM
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Re: Honda prelude cranking but wont start



So basically the mechanic told me to get the exact same ECU model but what exactly am I looking for? How do I know which ECU is compatible with my Honda prelude?
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Old 09-29-2014, 10:09 AM
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Re: Honda prelude cranking but wont start

1. Check timing.
2. You might be getting weak spark. Replace cap, rotor, plugs, and wires. Check distributor and coil for damage.
3. Dirty fuel or bad injectors. Replace fuel filter, refill tank with fresh Premium fuel.
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