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| crackajnr |
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hi all ! new to this forum and this is my my first post.i have an eb 4.0 lt and when you start it it runs really rough like it has a miss and after about 5mins run time the catalytic converter glows red hot.would this be a problem with the cat a blockage or something or maybe some thing to do with the 02 sensor or could something else be causing the problem any help greatly appreciated.
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| mr_sperm1 |
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if it runs like a bucket of sh!t, you'll find a blockage
_________________ Maloo - Holden's word for ugly. |
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| 4.9 EF Futura |
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Could be blocked cat/zorst.
Got a vac gauge? Can diagnose a blocked exhaust... if vacuum in manifold starts to drop as the engine is running, it can be indicative that the exhaust is blocked and therefore the engine (just an air pump at the end of the day) is unable to effectively draw air into the cylinders....
_________________ I promise..... I will never die. |
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| Steady ED |
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Checked timing?
Cat blocked? Either way, you're going to need a new cat before you can fix the problem. They don't like getting that hot, I'd put money on it being f**k. Thats either the cause or the symptom...
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| crackajnr |
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thanx for the input guys i still haven't sorted the problem.ayone with any other ideas or possibilities.i know there is a few things that can make the car run up the s**t burnt valves ,fuel,timing etc but what else would meke a cat glow red hot.
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| 4.9 EF Futura |
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http://www.myhonestmechanic.com/article ... -hot.shtml
Few more tips there champ.
_________________ I promise..... I will never die. |
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| GTFORDMAN |
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Age: 44 Posts: 1475 Joined: 5th Nov 2004 Ride: 98 EL Falcon - Last of the EL's Location: Muswellbrook |
i have seen this befor years ago when i was doing a Tafe course, we put a Tafe car on the dyno, and after 5mins of running time it would do as exactly as you have described, apparently it was dumping unburnt fuel into the exhaust, after a short running the exhaust would heat up and then burn this fuel in the manifold/pipe/cat/exhaust causing it to glow red.
they sed it was down to a combo of bad leads/plugs, and very bad engine timing just somthing to consider
_________________ why are women like clouds? eventually they f**k off and its a really nice day.
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| rushed |
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ive had my exhaust glowing a fair few times, after a little while @ WOT on the dyno they go bright orenge/red
get your exhaust checked out, plugs/leads, timing, if its not them you have gremlins. |
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| horis |
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i had this once on an el (dizzy same as eb ) and it turned out the timing was way out and as others have said burin the fuel in the exhaust. is it struggling to make power like while(if) driving its struggling to move its self as this is what the el did so try that mabey . good luck with it
_________________ 95 ef montfor sale pm for info, 88 hilux mud truck |
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| adrian` |
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my guess is a vacume leak between the map sensor and the manifold, and check your spark while your goin
happend to me when i put my cam in. knocked the map sensor hose off the back of the manifold ended up melting the carpet in the boot from how lean it was running, that plus it was funnin on 4 cylinders an it might look cool with your exhaust glowing but dont push it an run it for long. its melts s**t, ie: carpet good luck mate an welcome to fordmods
_________________ I LOVE MY DOG |
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