Re: 94 Taurus Engine stalls after a long trip, why?, Please Help!
On Tue, 15 Mar 2005 17:06:59 -0500, "Cory Dunkle" <firstname.lastname@example.org>
>"neil" <email@example.com> wrote in message
>> Hello All
>> I have a 1994 Taurus wagon with a 3.8 V6, the car runs fine, well it did
>> until now. We took a trip out of town, the trip took about 1.5 hours,
>> (almost all freeway, averaged 60 mph on cruise) and ended with a long
>> hill. When we stopped at a gas station the car would not idle properly,
>> rough, and then stalled. After about 15 minutes the car started and ran
>> we were at our destination so we parked for the night. The next day the
>> started and ran like normal so we returned home, the car again after about
>> 1.5 hours of freeway driving started to act up, first the check engine
>> start coming on, then going out, as well as noticeable power loss when
>> trying to accelerate.
>> When we pulled off the freeway and the car stalled at the first stop
>> We were able to inch the car home, each time stopping for about 10 minutes
>> or until the car would start and run to the next stop sign or light.
>> Now I am confused, a friend told me that it may be the catalytic
>> how and why? these parts are very expensive, I do not want to go about
>> trying to fix this problem with a trial and error approach.
>> I have only owned the car for the last 6 months and have no maintenance
>> I thank anyone who responds to my post, as I would like to know something
>> before I have to take it in to the dealership.
>It could be overheating.
>I had the same problem when I forgot to put coolant back in my old 289 after
>putting a different pair of heads on it. The heads had large chambers so
>compression was lower and I expected power to be lower. So I ran the car for
>a week with virtually no coolant. The overheat light never triggered because
>I accidentally broke the sender (it was a bad day). Anyhow, running on teh
>highway it was gutless. Stopping for a toll booth it stalled and didn't
>wanna start. Took me a minute to get it started again and then it ran
>alright once I got moving again. Finally I remembered I forgot to fill the
>coolant system so I pulled over and filled it. Problem solved. More power
>and didn't run rough or stall. Of course I had gone a few hundred miles with
>no coolant already, but no harm was done. Those 289s sure are tough little
>So, make sure your coolant system is full and your thermostat is working.
>Also, you may wanna check that your temp sensor is working and your overheat
>light bulb is not burnt out or otherwise non-functional.
>An engine can overheat for several reasons other than that, such as retarded
>timing, malfunctioning fan, malfunctioning EGR valve, I suppose O2 sensors
>could cause it as well.
>Anyhow, it's just something that may be worth checking.
cory explain how an egr o2 sensors could cause itvto over heat