View Full Version : ECU and Patentionmeter Faults
Hi,
I've just had my car in to get a diagnostics check and apparently it's come back with a ECU fault and a Patentionmeter fault (Where is this and how du spell it??).
Anyway is it possible to get another ECU, a 16v one which i've seen in a scrap yard and just replace it?
Thanks for any help
potentiometer mate is on the throttle body, 3 wires go to it and its a little red sensor. easy to swap, difficult to setup or least shud be but i just do it by eye on engine idle
ecu, depends, if ur car is a phase 1 get another phase 1 ecu, if its a phase 2 then also get hold of a phase 1
i rekon it may just be the potentiometer tho so change that first
whats the actual symptoms?
Here are the codes from the diagnostics:
#2001 Throttle Valve Position Centre short circuiting
#4020 Conrol Unit Faulty
The symtoms,
Well it's hunting a little and sometimes takes a while to settle when idling (but just idling a touch fast). The rev counter is definitley reading it a little high and can be eratic - Rev counter seems to be reading it about 1000 to high.
It's a Williams 3 Hybrid
F7R with megane bottom end
There's a 16 valver ecu in the scrapyard, was thinking i could swap them over?
Usually refered to on here as a throttle position sensor (TPS) because thats what it does. As described by coops. about £150 new though. Easy to fit, 2 screws, and ideally calibrated by a renault specialist. I fitted new and also done it by eye & ear. It sounds ok and goes ok.
Would there be problems is you fitted a 16valve one to a williams3 for example?
no..but as would suggest removing the entire throttle body and swapping complete...
you will need a willy ecu for it to run properly id imagine
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