ALT Posted March 15, 2008 Share Posted March 15, 2008 I encountered with my 350Z this morning. I was in north London and I had just pulled away from traffic lights when I lost all power. Various warning lights came on, so I pulled over. I switched off the engine and restarted. It seemed fine, but the engine warning light was on. I happened to be close to a Nissan garage (the one near the A1/North Circular), so I pulled in and they ran a diagnostic on it. It seems there was a problem with the throttle potentiometer sensor. The mechanic reset the engine management system and said that it may solve the problem, or it may not. Anyone had this sort of experience? Quote Link to comment Share on other sites More sharing options...
H5 Posted March 16, 2008 Share Posted March 16, 2008 I can't think of anything like that off the top of my head, but the TP sensor I have heard of needing resetting. You can do the reset yourself, there is a guide on here how to do it. Is the car modified in any way? Quote Link to comment Share on other sites More sharing options...
ALT Posted March 16, 2008 Author Share Posted March 16, 2008 Thanks for the input. No modifications. The mechanic said it may have been triggered by the car being low on fuel at some time. Not quite sure why that would be. Quote Link to comment Share on other sites More sharing options...
M13KYF Posted March 16, 2008 Share Posted March 16, 2008 there has been a couple of instances in similar circumstances reported but not known the specific error as members have just done the ECU reset themselves. You can find the ECU reset in the guides section. Quote Link to comment Share on other sites More sharing options...
teddyonholiday Posted March 16, 2008 Share Posted March 16, 2008 The throttle potentiomenter as with the accelerator potentiometer has two resistance tracks and if the measurement is lost from one track (dirt or cracks) then the ECU shuts down to 1200 rpm maximum until the ECU is reset, the switch off switch on would have cleaered it i fit had been switch off and thevehicle gone through a lock unlock cycle so as to initiate another "drive" cycle. It is not unusual for such an event to occur as the vehicle ages and when the rapid acceleration is required (overtaking or pulling away) the movement may cause the sensor to miss a measurement that in normal operations it would not notice (eg rapid pedal movement or throttle response) therefor IMHO a regular "blast" in terms of pedal and engine performance is a way of keeping thetracks a little more used...:D:D Quote Link to comment Share on other sites More sharing options...
ALT Posted March 17, 2008 Author Share Posted March 17, 2008 Thanks for the information. Very helpful and reassuring. I’ve had no reoccurrence since. I will take the advice and ensure that the throttle is appropriately exercised in future Quote Link to comment Share on other sites More sharing options...
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