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I was fishing at the local lake in 25 degree weather, jumped in the ex and drove a quarter mile when the engine acted like it was running on 5 cylinders, then the red oil ladle icon lit up, the heat gauge was pegged on high, and the service engine light was on. I limped 3 miles home, popped the hood, and there was water all over the front of the compartment. It had come out of the radiator so I put a gallon of anti-freeze in it and now the only thing wrong is that the service engine soon light is still on. Any ideas?
Hmmm, that is odd never had that happen. Do you know if your coolant mixture was corrrect to begin with? Maybe it was mostly water and froze up and obstructed the flow or something?
Just a bump for you, interested in what you find out.
Here's my crazy ideas on the leaked/sprayed antifreeze: loose radiator hose, cracked overflow tank that sprays with higher pressure, thermostat blocked, heater core blocked, coolant old, radiator core leak... Not sure these explain where the high pressure came from.
Did you get enough water on/down the cops for a misfire? What codes are being shown?
Here's my crazy ideas on the leaked/sprayed antifreeze: loose radiator hose, cracked overflow tank that sprays with higher pressure, thermostat blocked, heater core blocked, coolant old, radiator core leak... Not sure these explain where the high pressure came from.
Did you get enough water on/down the cops for a misfire? What codes are being shown?
I am leaning towards a sticky thermostat that stuck in the 25 degree weather and then spit out a gallon but even that makes no sense because nothing was ever hot and there was no steam. It was more than a cop or 2 that was causing the extremely low power and I think they are pretty water protected anyway. I think Ford has a built in protection that makes it run on half the cylinders to protect the engine. I might know more when I get the code checked and I think some garages will check it for free. There was plenty of antifreeze in it already but it is old. It has been running great since then with just the yellow service soon light staring at me.
I am kind of thrown as well by the high pressure which then apparently went away after the incident, which is why I could only think a temporary restriction ( maybe ice?) in the system.
Another idea just came to me. Did you by chance fill up with new gas before the fishing trip? Maybe the fuel had a bit of water in it and it froze up a bit restricting the fuel flow? And hopefully the code thrown is just because the fuel cap is not on tight? Have had this happen in other vehicles, not sure if the Ex system will detect this though.
What happens if you disconnect the battery, will the code come back immediately?
I don't know if the ex has that loose cap feature. It looks like another mystery but it's fine now. I caught an 18" rainbow from the bank at Lake Siskiyou and then my rod started icing up so I left. I will try removing/replacing the cable and see what happens tomorrow.
I am kind of thrown as well by the high pressure which then apparently went away after the incident, which is why I could only think a temporary restriction ( maybe ice?) in the system.
Another idea just came to me. Did you by chance fill up with new gas before the fishing trip? Maybe the fuel had a bit of water in it and it froze up a bit restricting the fuel flow? And hopefully the code thrown is just because the fuel cap is not on tight? Have had this happen in other vehicles, not sure if the Ex system will detect this though.
What happens if you disconnect the battery, will the code come back immediately?
Edit : And how was the fishing?
FTE does it again! I removed the cable and put it back on and the service engine light is off. They didn't have codes when I was a mechanic so this was new to me, but it worked.
Glad it worked out for ya! Sounds like maybe things just got iced up.
A few things I would definately check now is your coolant mixture with one of those testers and if you are not driving it much you may want to top of the tank with some new fuel, maybe from a different station than the fillup when the problem occured. The running rough kind of sounded to me like maybe you got a batch of fuel that had a bit of water in it. Since the water would have settled it would have been first to the pickup and could have been restricting fuel flow. The newer E10 in theory should be acting as an "anti-freeze" for the fuel but if there is too much water the fuel can seperate and then this mixture (water/ethanol) is what you would pickup on startup.
There is a ton of info and opinions on the E10 fuels, moreso in the boating environment. Personally I like to use Star-tron in engines that are not going to be used often or if they are going to be exposed to a wetter/colder environment.
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