Sounds like a vacuum leak. Braking hard uses up the vacuum so you put extra air into the engine which it doesn't like.
It's a drag but you have to check all the hoses and find the leaks and replace hoses
Throttle issues
- abscate
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Re: Throttle issues
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
- abscate
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The idle air control valve (IAC) hose is often reported having a split
There is also an elbow on the vacuum port under the intake manifold , right side of car, near the thermostat and radiator hose
There is also an elbow on the vacuum port under the intake manifold , right side of car, near the thermostat and radiator hose
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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MadeInJapan
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As abscate mentioned, you have to find that leak...if you don't find it in the lines he mentioned, follow the larger hose (most likely hardened) under the battery and on towards the driver's side under the windshield...there is a junction too along that line- closer to the left fender if my memory serves me right where two lines join together with a plastic connector. On mine, once upon a time, the plastic connector was broken. If still nothing, then I would suspect the brake vacuum pump itself which is not holding a seal.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
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