Won't start on cold and humid mornings. - Honda Accord Forum - Honda Accord Enthusiast Forums


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Old 10-07-2007, 11:09 AM
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Default RE: Won't start on cold and humid mornings.

The cold & humid condition does not seem to fit the most common cause of intermittant starting problems, the Main Fuel Relay. With the MFR the most common condition is that the car will not start when its HOT inside the passenger compartment. It is, however,something to consider since the MFR must function every time the ingnition is turned on. Every time the key is turned is a fresh chance for the MFR to turn on the fuel pump (or not!). I had the MFR go bad on one of my Accords and it had me going crazy until the guys on HAF told me about the MFR.
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Old 10-07-2007, 11:28 AM
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Default RE: Won't start on cold and humid mornings.

Did you or your techs check the OBD code? If so, what was/is it?
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Old 10-07-2007, 03:07 PM
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Default RE: Won't start on cold and humid mornings.

Have you checked the dist cap for cracks? Does the immilizer light flash when it's acting up?
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Old 10-07-2007, 06:11 PM
 
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Default RE: Won't start on cold and humid mornings.

The humid portion of your problem says there is a secondary spark leak, either in the cap and rotor area or the spark plug wires themselves, spray down the inside of the distributor with a parts cleaner that evaperates quickly and do a secondary tune up as a minimum.
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Old 10-08-2007, 10:04 AM
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Default RE: Won't start on cold and humid mornings.

Have you tried dry-gas? You might just have a lot of water in the fuel, lines, filter, etc.
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Old 10-08-2007, 10:13 AM
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Default RE: Won't start on cold and humid mornings.

Sounds to me like a moisture issuelike 2pointauto said.Check the distributor cap for cracks like chio suggested above. It sounds like the distributor cap, rotor, spark plugs(NGK),and spark plug wires should all be checked and possibly replaced. A new distributor should be your last resort. Check out: https://www.hondaaccordforum.com/Gen...m_64674/tm.htm
For a DIY. Cap, rotor, plugs, and plug wires is a pretty easy DIY and requires only minimal tools/mechanical knowledge.
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Old 10-08-2007, 10:42 AM
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Default RE: Won't start on cold and humid mornings.

Ok, then the next thing to look for is arcing from the wires. Look under the hood at night for a lightshow. After that, I'd check all of the items mentioned by 00accord.

That link has tons of info.
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