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Old 22-08-2011, 05:18 PM   #1
frd906
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Default Thermostat Problem

Hey guys.

My friend bought a 89 ea spack, manual, 3.9

The problem he is having is when the car gets to operating temperature and the thermostat opens up it runs like crap, coughs and splutters,

But if he revs it over 2 grand the problem dissapears

He has replaced alot of things. map sensor, thermo sensor,all of the vaccum lines etc

Put a brand new thermostat in and it still does the same thing

Even had the ecu looked out and theres nothing wrong with it.

If any one would have a idea of what might be cuasing it, would be good

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Posted by Xcabbi, Does it slap or rattle? Rattle is more to do with timing chains and tensioners. Slap is more to do with lifters, rings, bearings or GENIII boat anchors
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Old 22-08-2011, 05:26 PM   #2
pcman
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Default Re: Thermostat Problem

sounds like a ignition problem to me like the coil is stuffing up once it gets warm/hot
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Old 22-08-2011, 05:32 PM   #3
frd906
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Default Re: Thermostat Problem

He has replaced the dizzy with a brand new one as well as the coil.
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Posted by Xcabbi, Does it slap or rattle? Rattle is more to do with timing chains and tensioners. Slap is more to do with lifters, rings, bearings or GENIII boat anchors
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Old 22-08-2011, 05:44 PM   #4
Jason[98.EL]
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Default Re: Thermostat Problem

does it have a worked cam in it if so it might be like my EL and run crap down low but once it gets over 2600 it goes way better

Jason
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Old 22-08-2011, 06:41 PM   #5
frd906
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Default Re: Thermostat Problem

Nope no cam all standerd,
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Posted by Xcabbi, Does it slap or rattle? Rattle is more to do with timing chains and tensioners. Slap is more to do with lifters, rings, bearings or GENIII boat anchors
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Old 24-08-2011, 01:50 AM   #6
BA Turbo
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Default Re: Thermostat Problem

try placing your AU injectors in his car if its MPFI

had the same problem in my EA

exhaust leaks ?, fuel pressure
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Old 24-08-2011, 11:10 PM   #7
frd906
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Default Re: Thermostat Problem

Will let him no, cheers
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Posted by Xcabbi, Does it slap or rattle? Rattle is more to do with timing chains and tensioners. Slap is more to do with lifters, rings, bearings or GENIII boat anchors
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