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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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engine stalls when air con is onViews : 2459 Replies : 7Users Viewing This Thread : |
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Jul 28th, 2002, 14:38 | #1 |
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engine stalls when air con is on
this is the first car i have owned with air/con, and as i used the air/con for the first time,[yes summer is here] i noticed the engine stalled twice when pulling away from standing,so ihad to get used to giving a bit extra throttle, i know the engine revs drop as soon as you switch on the air/con due to extra load on the engine, so is it possible the tickover is low? or is it common with air/con.
what should the tickover be,[with air/con switched off] on a s40 1.6, so i can check if its correct by the tacho. thank you for your help. |
Jul 29th, 2002, 08:31 | #2 |
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RE: engine stalls when air con is on
I think the tickover rpm should be around 750 / 800 rpm. My 2.0T's aircon is a bit clunky sometimes, and does cause the tickover to drag.
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Jul 30th, 2002, 10:23 | #3 |
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RE: engine stalls when air con is on
my 2.0t is 750/800 also and doesnt change much with aircon on/off
from a previous post, Mike Clift confirmed that if tickover was low and the aircon was on that you could get excess vibration through the steering wheel, do you suffer from this ????? scott |
Aug 6th, 2002, 20:17 | #4 |
Paul Clifton
Last Online: Jul 18th, 2023 15:50
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RE: engine stalls when air con is on
If the car is a later model and is still under warranty take it back to your dealer as there is a modification for this problem on the 1.6's. Earlier versions have an up-graded engine control unit and the later series need a later software up-grade.
Paul.
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Paul Clifton. A man's knowledge can never outweigh his experience. |
Aug 8th, 2002, 19:11 | #5 |
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RE: engine stalls when air con is on
many thanks to, graig v40,gorgeous george, and pc 654 for your replies, the tickover is only 400/450 and that is without the air con switched on.
i have booked it in to get this looked at by a very good established tuner of over 20 years experiance, it sounds to him like a fault on one of the components in the ecu management system. i will let you know the outcome. thank you. paul |
Aug 12th, 2002, 14:03 | #6 |
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RE: engine stalls when air con is on
thanks to all who have replied to my quiery, the problem has now been resolved, by getting it fully checked over by a tuning expert, someone prior to me getting the car, had been trying to adjust the tickover by messing about with the throttle cable,thus sending a false message to the management system, no parts were needed, only the cost of the tune.
many thanks paul |
Aug 13th, 2002, 08:18 | #7 |
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RE: engine stalls when air con is on
paul
glad to see you got it sorted who is the tuning expert you refer to ??? scott |
Aug 13th, 2002, 09:42 | #8 |
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RE: engine stalls when air con is on
he is geof gair, of sunderland and has over 25 yrs experiance, highly recomended.
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