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  1. Engine - 4.6L & 5.4L
    My 95 cougar 4.6 is running hot and I can't figure out why. I have replaced radiator, coolant jug coolant cap, water pump, fan, thermostat, top and bottom radiator hoses, temp sensors and still having issues. It seems sporadic when it does it and then sometimes the Guage will start going back...
  2. Engine - 4.6L & 5.4L
    Hey y'all, I recently bought a 97 TBird 4.6 & was running fine up until a week ago. It started making an awfully loud hissing sound so I assumed it had a cracked intake manifold. As I was tearing the parts off, I realized a small screw that sits next to and underneath the TPS had fallen...
  3. Newbie Forum
    So I just bought a 1995 Ford Thunderbird with the 4.6. The owner says that the previous owner replaced the engine at 110k. How do I tell if its another 94-95 engine or if Its a newer one. Its my understanding that the 94-95 engines were a bit different.
  4. Turbocharging Anyone have experience with these particular headers, or a similar design of header? I've been researching and it seems that the problem with going turbo with these cars is clearance on the drivers side especially, amongst...
  5. Wanted
    If you have a black 1997 Thunderbird with a v8 or know where I can look for one in great shape and low miles let me know. Located in Michigan but don’t necessarily care about distance.
  6. Nitrous Oxide N2O
    I have a 1995 thunderbird with a 4.6. It is in excellent condition mechanically and under 100k miles. That said, would this thing thing be good to handle 75hp worth of spray as long as I got a good professional tune? Got a good deal on a nitrous kit and want to know. I Was thinking of...
  7. Engine - 4.6L & 5.4L
    I have a 1994 4.6 cougar and im pulling up an error code p0171 and im hoping its my egr valve regulator sensor (DPFE) and not the needing to replace the egr valve because ive heard its a pita. the only thing I see that would be close is a sensor close to the vacuum can by the front passenger...
  8. Engine - 4.6L & 5.4L
    here lately my car has been running rough it idles and runs as smooth as a new car sometimes and sometimes you can feel like a miss and the alternator gauge bogs down and then when it smooths out it goes back to normal its also has a brand new alternator in it having the air on doesn't make a...
  9. Engine - 4.6L & 5.4L
    9/29/2016 1206PST ***Update**** Compression is 170 at the high, 135 at the low, only two in the low and they aren't near each other. Shop wants to charge me, now get this, 305 for plugs and wires. That's just to TRY to get it started, (which it ran reliably before I moved the wiring...
  10. Engine - 4.6L & 5.4L
    I need to find an engine harness for my 94 tbird 4.6 :surprise:
1-10 of 10 Results