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Car Forum / MINI / November 2003Stalling engine
Hi I have a 1998 mini 1.3 injection, every time you slow down and put your foot on the brake it stalls,you have to sit there with the clutched diped and reving away, sometimes if you are lucky it will pick up again, its fine if you keep the revs up, and tick over is fine, when starting from cold the automatic choke kicks in and runs fine Rover are hopeless, they say book it in for a 5 year service and they will look at it, it been serviced and i don`t want to give rover £260 any ideas? thanks in advance james Possibly the throttle position sensor. But to be honest it could be a number of things. Find a local fuel injection specialist, they have equipment to diagnose faults like described. (They shouldn't be too expensive either) Find a friendly garage, and ask where they get injection faults diagnosed. > Hi > [quoted text clipped - 13 lines] > > james > > I have a 1998 mini 1.3 injection, every time you slow down and put > > your foot on the brake it stalls,you have to sit there with the > > clutched diped and reving away, sometimes if you are lucky it will > > pick up again, its fine if you keep the revs up, and tick over is > > fine, when starting from cold the automatic choke kicks in and runs > > fine It sounds like the idle air control is on the blink. This is the electronically controlled air bypass around the throttle which the computer uses to control the idle speed. The basic throttle body alone does not supply sufficient air for normal idle, the computer detects the idle speed and opens the IAC as far as is necessary to achieve a suitable idle. When the engine speed is above idle, the valve just closes. > > Rover are hopeless, they say book it in for a 5 year service and they > > will look at it, it been serviced and i don`t want to give rover £260 SOmetimes I suspect hat in Australia we are blessed that Leyland died many years ago and left us to the aftermarket specialists and/or our own devices. > Possibly the throttle position sensor. No. The throttle position should not influence the idle speed - idle air control feedback loop. Regardless of the apparent throttle position, if the engine speed goes too low (below the idle set point) the IAC should open. > Find a local fuel injection specialist, they have equipment to diagnose > faults like described. (They shouldn't be too expensive either) Absolutely. With the right information and equipment injection systems are quite straightforward to diagnose. > Find a friendly garage, and ask where they get injection faults diagnosed. Yep. |
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