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Post by danielbdavies on Oct 12, 2010 18:07:40 GMT 1
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ljonez
turbo
Built not bought
Posts: 3,734
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Post by ljonez on Oct 12, 2010 18:56:37 GMT 1
links dont work
id be more concerned in finding out why it overheats a normal rad is more than capable of keeping it cool.
a performance rad will just mask the problem
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Post by Custard on Oct 12, 2010 19:02:52 GMT 1
Agree wth Lawson  |
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Post by dai9fxey on Oct 12, 2010 19:05:33 GMT 1
Check to see if the leccy fan works.
The fan should cut in once a certain temperature is reached, usually in stop start traffic.
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Post by danielbdavies on Oct 12, 2010 19:15:00 GMT 1
everything has been changed, new expansion tank and cap, new thermostat and new coolant and water, had a new radiator fan, even sent the rad off to be cleaned properly. What else could it be? It's really bugging my now, it overheated for the 3rd time today, it happen so quick i didn't even see the temp gauge go up and i check it a lot because i know it happens, i normally just put the heater on and the temp drops back down. Help!
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ljonez
turbo
Built not bought
Posts: 3,734
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Post by ljonez on Oct 12, 2010 19:25:21 GMT 1
could be running to lean, not quite sure how to test it on an mpi tho it overheated for the 3rd time today, it happen so quick i didn't even see the temp gauge go up if its that quick id say its the fan not kicking in or a stuck thermostat |
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Post by danielbdavies on Oct 12, 2010 19:29:04 GMT 1
Would using super unleaded effect it? Been using it a lot lately.
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Post by danielbdavies on Oct 12, 2010 19:37:56 GMT 1
I'll check to see if the fan kicks in again and i'll check the thermostat to.
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ljonez
turbo
Built not bought
Posts: 3,734
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Post by ljonez on Oct 12, 2010 19:56:45 GMT 1
not sure about the super unleaded  easiest way to test the fan is working is to unplug the temp sender lead and it will run. thinking of it it could be a dodgy temp sender ? although normally engine management is designed that if they pack in the rad runs constant to avoid overheating. you asked over on the kiddies forum (TMF) they have a whole spi/mpi section |
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Post by danielbdavies on Oct 12, 2010 20:02:06 GMT 1
yeah still waiting for a reply from off them lot. Thanks for the help thou, need to get it sorted out!
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Post by timsmini on Oct 12, 2010 21:05:05 GMT 1
Have you put the new updated wiring and plug on the water temp sender  |
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Post by danielbdavies on Oct 12, 2010 22:26:13 GMT 1
I'll have to check, i haven't done the work myself my girl friends father has done it for me because he's a RAC man. I'll check with him tomorrow.
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ljonez
turbo
Built not bought
Posts: 3,734
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Post by ljonez on Oct 12, 2010 23:32:50 GMT 1
Have you put the new updated wiring and plug on the water temp sender that only solves the constant fan running problem and running rich basicly the original plug has the tendency to corrode which results in and infinite resistance across the sender (same as unplugging it) so the ecu goes into safe mode to stop the engine overheating so brings the fan in and richens the fuel ratio. |
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