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cosworth 2wd misfire help required

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Old 28-05-2005, 02:47 PM
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D7AKE
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Default cosworth 2wd misfire help required

Just rebuilt the engine in the cossie have done 600 miles all of a sudden has developed a missfire

It only happens under load and Iam not driving the car too hard as I have to run it in a while

So far I put new plugs in checked cap leads coil and cleaned crank position sensor

The only other help is that it runs fine while it is cold

any help apreciated

Si
Old 30-05-2005, 07:13 PM
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tenpotturbo
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air leak on inlet?
Old 31-05-2005, 05:40 PM
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2001ode
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Hi,

Your water sensor is disconnected.
(on rear left on head engine)

Regards.
Old 01-06-2005, 09:11 PM
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ropro
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same happend to my sons 2wd found it down to a faulty coil
Old 02-06-2005, 07:20 PM
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rsjohn
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My mate had this problem, was worse when hot, changed leads and cured it.



john
Old 05-06-2005, 02:21 AM
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W4SIM
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Iv got this problem. My engine was rebuilt about 6months ago with an RS500 bottom end. Its now misfiring under load, are we going for Leads as the probplem?
Old 05-06-2005, 04:56 PM
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Toe Knee
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When u say under load we talkin on boost or off?!

Mine hand an intermittent miss which hopefully, ive traced to being a leak on the inlet manifold!! Only just got her running today so wont know till ive driven her for a while!!!

Other things it could be is the CPS either damaged or gunked up, TPS, water sensor as said or air leak on inlet. Or realated 2 something on the ignition, as said coil/leads or poss the phase senor in dizzy etc etc etc!!
Old 06-06-2005, 03:48 PM
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rssapphowner
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change the spark plug gap to 0.22 mm that will cure it
Old 06-06-2005, 04:44 PM
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Chris Honeywell
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m8 u checked the phase sensor?
see if the wires are all knackered
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