Renault Clio 2003 - Engines - Loss of power and Warning Light - Page 2 - Renault Forums :: Independent Renault forum

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post #6 of 322 (permalink) Old 5th June 2007
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hi i am experiencing the exact problem and had the exact part replaced but i am still experiencing the limp home mode, does anyone know what causes this as ive read many posts sayin coil packs and top dead censors but not all have been successful
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post #7 of 322 (permalink) Old 23rd August 2007 Thread Starter
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My local garage tells me this is nothing to do with the top dead centre nor the coils and is more likely a faulty component. To recap the first post, I described the problem to my garage and they ran a diagnostic test. The test identified the accelerator potentiometer (and another related switch, the name of which escapes me) as the source of the problem - both of which were replaced. Im happy to report that the problem has largely disappeared but nevertheless still occurs, all be it very occasionally. So the garage ran the diagnostic test again for me and identified the same two components. The engineer tells me that this is more than likely indicative of a faulty standard component.

Has anyone else been advised similarly such that this is indeed a manufacturing fault relating to these components rather than a problem relating to the coils / Top Dead Centre or some other problem?

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Last edited by sixteen_valve_vanessa; 23rd August 2007 at 09:51 PM.
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post #8 of 322 (permalink) Old 23rd August 2007
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I'm guessing the other component is the throttle body itself. They get quite badly covered up with oil sometimes and this can cause problems.

The pedal itself I have not heard of that many faults with but there is a known fault with the wiring Renault dealers should have a technical note on this. It could lead to the fault codes that have been brought up possibly.
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post #9 of 322 (permalink) Old 24th August 2007
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If it were mine I would clean the throttle body and change the TDC sensor - both would be cheap to do. As the TDC sesnsor can have intermittent faults - it may not be faulty when renault do the diagnosis.
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post #10 of 322 (permalink) Old 29th August 2007
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Hi 16_V_V,

I too had this same problem. some of the wires on the wiring loom had been worn causing (i think) a short circuit/earth fault making the engine go into 'limp-home mode'.

The Clio's have a common problem with the wiring loom as they seem to have made it a little too tight, putting extra strain on the wires.

Have a look at the back of your engine for a little black metal box about 3 inches square. See if its loose and check if the wires coming out of it are worn. If so have a look at my post here:

This is how i fixed the worn wires. I can't say for sure what was causing the problem but since doing this its not happened again (touch wood!).
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clio , engines , light , loss , power , renault , warning

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