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 Post subject: Problem.
Posted: Sat Feb 05, 2011 7:57 pm 
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I have a 4 cylinder ED falcon. In the past week my car has been not driving properly. When i drive along it stops accelerating at around 4000 revs. I think it may be the cat convertor being blocked because the other night i checked my engine and my exaust manifold was glowing red. And normally when changing down gears i can hear compression pops from the exaust but i havent heard any since its start to play up. its not the fuel filter not supplying enough fuel because i changed that today. Any input would be apperciated, im going to pull the cat off tomorrow to check it. if any one has any idea on what it might be please let me know.

Cheers, Mitch.

 

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 Post subject: Re: Problem.
Posted: Sat Feb 05, 2011 8:02 pm 
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You have a 4 cylinder ed falcon????? :?

When you say it stops accelerating do you mean it just flat spot or a miss or sorts??

 

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 Post subject: Re: Problem.
Posted: Sat Feb 05, 2011 8:05 pm 
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woops wrong number. 6 lol. it accelerates slower than normal. and when it reaches 4000 revs it just stops like its rev limited. which its not.

 

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 Post subject: Re: Problem.
Posted: Sat Feb 05, 2011 8:11 pm 
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Yea well i would start by checking all the obvious things plugs leads ect
My ef has done a similar thing on ocasion but very rarely and my cat is stuffed... mine has a hole in it now and sounds horible :oops: so i supose its posible to be your cat, especialy if it is blocked!

 

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 Post subject: Re: Problem.
Posted: Sat Feb 05, 2011 8:19 pm 
Getting Side Ways
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it sounds alot like the ignition timing is up to the s**t.

Gab
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 Post subject: Re: Problem.
Posted: Sat Feb 05, 2011 8:39 pm 
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explain the ignition timing?

 

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 Post subject: Re: Problem.
Posted: Mon Feb 07, 2011 10:09 am 
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The ignition timing is stupidly retarded to the point its blowing flames out the exhaust valves, which is causing the manifold to glow... In turn it will melt and kill the cat.

Or the cat may just be blocked.

One of the 2.
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 Post subject: Re: Problem.
Posted: Mon Feb 07, 2011 10:16 am 
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i would also say blocked cat or retarded timing.
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 Post subject: Re: Problem.
Posted: Tue Feb 08, 2011 3:39 am 
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Is your speedo working as well as the tacho ???
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 Post subject: Re: Problem.
Posted: Tue Feb 08, 2011 3:39 am 
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Is your speedo working as well as the tacho ???
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 Post subject: Re: Problem.
Posted: Tue Feb 08, 2011 7:55 am 
Getting Side Ways
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id also go for the cat convertor, and check your fuel filter aswell.

 

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 Post subject: Re: Problem.
Posted: Wed Feb 09, 2011 6:09 pm 
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Ride: 93 ED Falcon

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Its the cat, me and a mechanic freind went over it and it runs to well for it to be the timing, ive gotta pull the cat off and fix that.
Thanks for the help

Mitch,

 

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 Post subject: Re: Problem.
Posted: Wed Feb 09, 2011 6:55 pm 
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..

 

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Not to get technical, but according to chemistry alcohol is a solution.

Last edited by low_ryda on Wed Feb 09, 2011 7:20 pm, edited 1 time in total.

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 Post subject: Re: Problem.
Posted: Wed Feb 09, 2011 7:04 pm 
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Reason why is that I drove with the speedo plug detached and when the tacho hit 4000 rpm it died. I believe the rev limiter came in as a safety precaution. Try it and see. I s**t cos I was racing a VY SS in first and at 4000 rpm it was like I just stopped. Scarey but at least the EEC4 was protecting the engine. And I was beating him up to to 50kph :)
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 Post subject: Re: Problem.
Posted: Wed Feb 09, 2011 7:16 pm 
Getting Side Ways
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i retract my previous statement.... and your new nickname shall be trouble.. :P

 

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