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Still struggling to get over 5000rpm! 

 

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Posted: Sun Dec 26, 2004 3:10 pm 
Getting Side Ways
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injectors have been cleaned and plugs been replaced. Visual check of leeds i saw no arcin or anthing so i havent changed them :P

still nuffin :P
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Posted: Mon Dec 27, 2004 12:12 am 
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eed-250 wrote:
injectors have been cleaned and plugs been replaced. Visual check of leeds i saw no arcin or anthing so i havent changed them :P

still nuffin :P


mmm graba multi meter and whack em on the leads there could be internal problems not sure on the reading with teh multi meter though.....

if the leads are over 60000kays change em dude!

 

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Posted: Mon Dec 27, 2004 2:51 am 
Parts Gopher
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id say these guys are right.

if yah got the money new leads and dizzy cap.

or it could be the cardboard in there. hehehe.

ps, who cleaned yah injectors.

 

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Posted: Fri Mar 18, 2005 12:07 am 
Getting Side Ways
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injector cleaner fluid. haha goes in ur fuel! :P

put the manny comptuer in and it did sweet f**k all.
:(
gonna try a few things before the drags this wednesday, hopefully they work so i can go faster!
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Posted: Fri Mar 18, 2005 2:04 am 
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if its an ignition problem it should occur at the same rpm... the spark is weak enough at that point to be blown out by the very induction gasses it is trying to ignite... or its not even firing... and past that sticking point there may be enough power going thru the leads (via alternator + battery combo?) to push it past?

my previous cars were force induced and those "induction" related problems were many to do with plug gap and leaks in the inlet manifold.
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Posted: Wed Mar 23, 2005 11:14 pm 
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a pursuit computer? if thats a cop ecu then it still doesnt rule out that you may possibly need a manual computer. i havent heard of a manual computer being needed on EA/EB's but havent heard of many ED's with manual convo's.

might need a new TPS?

its a weird problem!

i assume youve ran a self test?

whats the timing at?
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Posted: Thu Mar 24, 2005 12:41 pm 
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Have you checked if teh fuel reg is leaking?

Just a possibility. To check it, run teh car and disconnect the vacuum lin to the reg. If fuel pisses out, the diaphram is knackered and you need a new reg.

It's a long shot, but it's easy to check and doesn't cost anything, so why not check it?
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Posted: Thu Mar 24, 2005 2:11 pm 
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It could be the auto computer. When the computer wants to change gears it retards the ignition timing to drop the engine power so that the auto can change smoothly.
Try a manual ECU. and get it dyno'd to check your air/fuel ratio as it sounds like this is up the creek too.

 

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Posted: Thu Mar 24, 2005 7:55 pm 
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Have you checked your fuel pressure? The pump maybe running out of steam then catch up that could cause a serg.


Neil

 

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Posted: Sat Jul 28, 2007 1:24 pm 
Getting Side Ways
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ok update time.
I am still hitting a lag spot around 4800-5200rpm where the car is lacking serious power. From 5200rpm onwards its fine.
I will list what has been done to no avail:
-new Map Sensor
-EMS8860 (tuning it out didnt work)
-Crane Hi6 ign + coil
-new Injectors
-new walbro fuel pump
-Checked cat
-new plugs and Leads
-malpassi reg
-brand new complete dizzy

My tuner seems to think its an electrical problem in the wiring harness somewhere which i concur. My tuner suggested there could be a problem in the wiring to the coil as the signal to the ECU would show up on the datalog.
The car used to be on LPG so does anyone know if there could be some wires interfeering? I have to pull the dash apart and see if there are any weird wires...
Someone also suggested valve springs?

Im just seeing if anyone has any ideas or comments as this is really pissing me off! It should be running mid 14's by now!


THANKS!
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Posted: Sun Aug 26, 2007 2:34 am 
Getting Side Ways
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another update for those interested.
crane valve springs went in and its all fixed now.. revs cleanly to limiter :D
time for that mid 14.
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Posted: Sun Aug 26, 2007 2:41 am 
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Ride: ef fairmont turbo

Power: 213 rwkw

Location: melbourne
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wow you had this problem with your car for almost 3 years, thats huge. nout time you got it fixed

 

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Posted: Sun Aug 26, 2007 11:50 pm 
Getting Side Ways
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yeah no s**t mate.
tried everything!
wanted to get this problem gone before turbo install
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Posted: Mon Aug 27, 2007 1:12 am 
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whoa... WTF!!!!! You had f**k springs the whole time?????????????

 

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