Verve 1st Gear December 6, 2010 Share December 6, 2010 my car idles at 1km rpm at P, but drops to 800 when engage to d. car model 06 vios. is this normal ? ↡ Advertisement Link to post Share on other sites More sharing options...
SupperTime Clutched December 6, 2010 Share December 6, 2010 my car idles at 1km rpm at P, but drops to 800 when engage to d. car model 06 vios. is this normal ? fine in my opinion, as long as it doesnt have unnatural or immense fluctuation in the rpm without AC cutting. Link to post Share on other sites More sharing options...
Verve 1st Gear December 6, 2010 Author Share December 6, 2010 actually think i better clarify my question i know the rpm range is fine what i find strange is how come idling goes up when in park or neutral ? a sign of gear box problem ? but my autobox seem to be ok when driving though. Link to post Share on other sites More sharing options...
SupperTime Clutched December 6, 2010 Share December 6, 2010 (edited) actually think i better clarify my question i know the rpm range is fine what i find strange is how come idling goes up when in park or neutral ? a sign of gear box problem ? but my autobox seem to be ok when driving though. not at all dude, mine goes up as well in both to around 1200-1300. this has to do with the way the gearbox and ecu are setup. its perfectly normal. i would worry if you saw the needle going down to 500 and then back up to 800 though... or a sudden vibration when aircon cut in. if your curious about the gearbox being broken can take it to an auto trans specialist like those in sinming and get a free diagnostic to alleviate your concerns. Edited December 6, 2010 by AceofproZ Link to post Share on other sites More sharing options...
Crazecow Neutral Newbie December 6, 2010 Share December 6, 2010 Cause when you are at D, engine is working to move the car (there is load) and you are using brakes to prevent car from moving. At N or P, there is no load on the engine. Link to post Share on other sites More sharing options...
Verve 1st Gear December 6, 2010 Author Share December 6, 2010 thats a relief to hear thanks for explanation. Link to post Share on other sites More sharing options...
M3taph0r Neutral Newbie December 22, 2010 Share December 22, 2010 hi peeps! Link to post Share on other sites More sharing options...
Moredhel 2nd Gear December 22, 2010 Share December 22, 2010 actually think i better clarify my question i know the rpm range is fine what i find strange is how come idling goes up when in park or neutral ? a sign of gear box problem ? but my autobox seem to be ok when driving though. It's called 'no-load'. ↡ Advertisement Link to post Share on other sites More sharing options...
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