97 Thunderbird 4.6L - Engine shuttering after rain
Ford ThunderBirdFord thought they'd take their own stab at the nostalgia business. There are quite a few last-century icons that wear the blue oval. For a revival subject, why not use a car famous enough to have been the subject of Beach Boys songs, starred in George Lucas movies, and has been gone long enough to be missed? Why not indeed. In 2002, the Thunderbird was reborn.
I believe that you stated in an earlier post that while it makes a difference, it is not a significant difference. It could be a weak spark, the plug may be bad, or the wire may have an internal break, and have excessive resistance in it. With a weak spark, you may not get complete combustion, or it may fire sometimes, and miss on others.
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BroncoJoe19
2006 Alt Fuel Jeep (electric)
'98 windstar 3.8L
'99 Crown Vic 4.6L
'90 Full Size Bronco 5.0L
I'm not a professional mechanic, take my suggestions with a grain of salt, or a cup of coffee
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Tested a coil at the parts store, I get the same readings I get off mine. So either my voltometer is off, or the specs changed. The problem got worse today and I almost didn't make it to work. I'm starting to think it is a the fuel pump now. Just got to find a fuel pressure gauge.
I knows its kind of a shot in the dark, but you should try and take your fuel rail off and clean it out. I know the 4.6 has had bad fuel rail problems.
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1993 Thunderbird LX, V6 Turbo, Accel dist cap, Accel(48000v)ignition coil, 4-12"s, two 1000W amps, 220w Dual head unit, 4-way 6x8 door and rear speakers
I knows its kind of a shot in the dark, but you should try and take your fuel rail off and clean it out. I know the 4.6 has had bad fuel rail problems.
No kidding... gee I hadn't heard that. I was thinking about looking at the fuel rail on my 4.6 to see if cyl #8 was at the end of the feed line, or not, But I didn't have my car with me when I thought of it. I was thinking maybe low pressure/ weak pump, and not getting proper fuel pressure that far.
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BroncoJoe19
2006 Alt Fuel Jeep (electric)
'98 windstar 3.8L
'99 Crown Vic 4.6L
'90 Full Size Bronco 5.0L
I'm not a professional mechanic, take my suggestions with a grain of salt, or a cup of coffee
At the bottom of each post there is a little icon
Clicking it gives feedback to the moderators, and poster regarding which posts are most helpful.
And if injector #8 is getting clogged....then the rail #8 hooks to might have a little build-up in it.
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1993 Thunderbird LX, V6 Turbo, Accel dist cap, Accel(48000v)ignition coil, 4-12"s, two 1000W amps, 220w Dual head unit, 4-way 6x8 door and rear speakers
i kinda had the same problem once before , and i think it was cause i had water in my tank ,so i added a thing of water evaporator and it went away after a bit.
Im having a similar problem myself except when me and my cousin looked under the hood we found that my air filter was soaken wet and my intake box was flooded with water
Last edited by frisko41512; 10-15-2009 at 02:36 PM..
If you determine that the injector itself is the problem I think you should try lightly sanding its terminals and spraying the harness connector with WD-40 (then wipe and let dry) before buying a new injector. The connection may just have gotten a little corrosion when it got wet. This is cheap and easy to try.
I have this same problem with my '96. I get an intermittent trouble code when it rains and pulling the plugs and wires doesn't help, with a misfire until everything dries out. I need to try this.
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