1995 3.8L Engine Miss - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 3 (permalink) Old 05-26-03, 10:03 PM Thread Starter
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1995 3.8L Engine Miss

I have a 1995 Taurus SE with the 3.8L V-6 and 45k miles on it. I had the head gaskets replaced at 35K last summer right after i bought it and it has run well except I noticed a slight miss when it's running up a slight grade to my home and with some local driving that I do.

Over the last few weeks, I have changed the fuel filter, plugs, wires, cap, and rotor, and this weekend I took the throttle plate assembly off the intake manifold and thoroughly cleaned it, but the miss is still there. The old platinum plugs were pretty clean and gapped properly, but I changed them since I had new platinums to put in.

Coming up a slight grade to home, it seems to miss for maybe a second, then run smoothly for about 5 seconds, then burble just a bit again, and sometimes it will repeat for a third time before I get to a stop sign and turn.

I run interstate to work for about 10 miles and I can't notice it at highway speeds. I routinely get 20 mpg, and it starts and runs fine otherwise. The miss has made the car stall a few times now, say when I stop and back up, so my wife is getting nervous about driving it.

Any ideas would be appreciated so that I don't have to have expensive diagnostics without checking obvious things I can do first.


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post #2 of 3 (permalink) Old 06-01-03, 10:00 PM Thread Starter
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A mechanic friend did a quick once over of the engine to look for loose connections, etc. After finding everything fine, he suggested running a tank of fuel injector cleaner, so I'm in the middle of that. It definitely seems to make the engine run a bit smoother at an idle, and I get no misses or burbles at a moderate or higher throttle, after about the first 100 miles. But I still seem to get a miss at a light throttle up and slight slope.

But any progress is good.
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post #3 of 3 (permalink) Old 06-21-03, 01:19 PM
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Re: 1995 3.8L Engine Miss

what is the progress on this? Did the injector cleaning help?

Is the fuel line itself in good condition? No crimps or awkward bends init?
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