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Go Back   Australian Ford Forums > Ford Australia Vehicles > Small and Mid Sized Cars > Fiesta, Festiva and Ka

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Old 10-10-2007, 06:47 PM   #1
AuzTurbo mk6
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Default missing when boosting

My fiesty is allright to drive normally, but soon as you put the foot down and it starts to come onto boost it misses and farts all over the place. The engine check light is on all the time except when you are coasting along and it flashes. any ideas plz its driving me mad !! : :

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Awww Mannn, soon as i fix one thing another thing dies : .........Better dial down the boost :evil3:
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Mine - 2004 Fiesta zetec turbo :gren:
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Old 10-10-2007, 07:32 PM   #2
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i doubt any one in this forum would have an idea.. as yours is bosted. but my guess would be the Oxy sensors or the MAf sensor.
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Old 10-10-2007, 08:02 PM   #3
AuzTurbo mk6
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Ok cheers M8,
Ive got it booked in to go back on the dyno and have a re-tune hope its a cheap fix this time....
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Awww Mannn, soon as i fix one thing another thing dies : .........Better dial down the boost :evil3:
.................................................. ............
Hers - 2006 Ralliart colt :newangel:

Mine - 2004 Fiesta zetec turbo :gren:
.................................................. ............
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Old 10-10-2007, 09:32 PM   #4
Piotr
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Fiesta uses MAP sensing not MAF sean.

Could be your ingition.
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Old 11-10-2007, 07:11 PM   #5
AuzTurbo mk6
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Default Its finally fixed...

ended up being computer faults and causing the chiptouqe comuter to run exessivly rich causing spark plug flame out.(apparently)
error code:p0106 in take manifold pressure sensor outside range
p0301, ignition failure cyinder 1 detected, p1000 OBD systems test not complete, p0300 cylinder missfire. :

all retuned 30+ runs on the dyno made max of 138.6kw ATW @ 8 PSI (torque steer on dyno lol) tuned to 118.4 kw ATW @ 8 PSI, less torque steer but still makes power all way till 7900 rpm limiter.

Need forged pistons and rods + LSD Than More boost !!!! 200kw here i come lol
Got to say big thanks to Bob Hawkins Car Connection in townsville for putting up with the festy !!!
DYNO SHEET TO FOLLOW
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Awww Mannn, soon as i fix one thing another thing dies : .........Better dial down the boost :evil3:
.................................................. ............
Hers - 2006 Ralliart colt :newangel:

Mine - 2004 Fiesta zetec turbo :gren:
.................................................. ............

Last edited by AuzTurbo mk6; 11-10-2007 at 07:17 PM.
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Old 11-10-2007, 07:36 PM   #6
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Ah good to hear.

Quote:
Originally Posted by AuzTurbo mk6

Need forged pistons and rods + LSD Than More boost !!!! 200kw here i come lol
Along with smashed gear cogs and Cv joints i'd think :

How much torque was it making?
Is 8 PSI due to the std wastegate on the turbo, or is that bled off to that?

I'm guessing a LSD would transform it for you? I know have trouble with the standard 1.6 open wheeling at full throttle acceleration if the front wheels are turned (and i'm not talking about on take off.)

Have you sorted out the body work yet? or does that add to the sleeper look? lol :
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Old 11-10-2007, 07:56 PM   #7
AuzTurbo mk6
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Default Dyno sheet



still plays up a little mid rev range but should be sorted with more dyno time
Havent realy figured out the torque thing yet but it pulls hard... most times lol
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Awww Mannn, soon as i fix one thing another thing dies : .........Better dial down the boost :evil3:
.................................................. ............
Hers - 2006 Ralliart colt :newangel:

Mine - 2004 Fiesta zetec turbo :gren:
.................................................. ............
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Old 11-10-2007, 08:25 PM   #8
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i would be making the engine stronger internally and leaving it at 8-10 psi.

otherwise, other stuff will start to break.

Interesting little project though,
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Old 11-10-2007, 08:44 PM   #9
AuzTurbo mk6
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Yeah thats what im looking to do next forged internals and LSD for more reliability... just got to find someone in Auz / Uk that can supply a kit for the festy!! :eclipsee_
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Awww Mannn, soon as i fix one thing another thing dies : .........Better dial down the boost :evil3:
.................................................. ............
Hers - 2006 Ralliart colt :newangel:

Mine - 2004 Fiesta zetec turbo :gren:
.................................................. ............
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Old 12-10-2007, 02:13 AM   #10
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Sounds awesome! Do you have any pictures?
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Old 12-10-2007, 06:36 AM   #11
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does the 04 motor have a 11:1 compression ratio?
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Old 12-10-2007, 07:56 AM   #12
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yes it does. But im pretty sure he has used a decompression plate to bring it down to a reasonable CR.
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Old 12-10-2007, 09:06 AM   #13
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awesome work man..... more piccies and vids please :evil3:
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Old 12-10-2007, 09:50 PM   #14
AuzTurbo mk6
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Dont know much about the build motor wise, but computer side of things, still having major dramas about finding something that will talk to the standard computer. i have been through : Autronic, EMS, Motec and the only thing that has worked is a custom computer built by chiptorque(custom built EXIDE intercept comp) also just installed a diagnostic handset to see why the comp light comes on all the time still getting error P0300 Random Multiple Cylinder Missfires while running , but the handset allows me to veiw the problem and clear the code from the standard comp. Also still having dramas getting the idle right . I need a 2nd blow off/bypass valve before the TPS on the manafold because the boost from the turbo at idle opens the throttle butterfly slightly and causes it to do werid things like idle between 700 - 3000 RPM an the trottle get stuck open coasting arround a carpark. Overall its been a little different / difficult to build the car due to lack of tuning experence on the car and aftermarket parts avilable for the car in Auz, but its a good little sleeper embarises quite a few unsuspecting people up here (like a 300zx last night lol) But Thanks for the intrest Guyz !!
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Awww Mannn, soon as i fix one thing another thing dies : .........Better dial down the boost :evil3:
.................................................. ............
Hers - 2006 Ralliart colt :newangel:

Mine - 2004 Fiesta zetec turbo :gren:
.................................................. ............
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