Hi, my 1996 Honda Accord EX has trouble starting in freezing temperatures. I usually have to crank on it for 10-15 minutes before it will start barely firing on one cylinder. Then it will fire on one cylinder for about a minute before all four cylinders start firing. In temps above freezing it has no problems starting and runs great.

Here's what I've tried so far..

Fuel Troubleshooting:

I've tried following the directions from the user manual to enable the manual choke (push petal down all the way, crank, push petal down half way, crank), with no luck. I can hear the fuel pump pressurize at the ACC II position. I've tried using fuel additive to remove water from the fuel, which I thought may have been affected by the freezing temperature. I've also used fuel injector additive to clean the fuel injectors. After I crank for a little bit, I can smell fuel near the tailpipe. Don't think changing the fuel filter will fix the problem, since it was changed less than 30k miles ago (18.2k) and there are no symptoms of lack of fuel while driving.

Spark Troubleshooting:

I've changed the spark plugs. I showed the old spark plugs to the auto parts employee, and he said it looks like my car is "running rich". Not sure if this is a symptom of the cranking or something else. I've checked the spark plug wires... no cracks or other damage to the insulation.

What should I try next?