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Have increasingly noticed that the coupe is sluggish when cold. So when pressing the accelerator there is a good pause of a couple of seconds before the power comes on, it's as if the car takes a breath before getting going. The usual MAF related fixes don't cure it and it doesn't seem to do it when warmed up so I was wondering if it could be to do with the MFTS?
The MFTS is only connected to the ECU to deal with high temps, not low temps. Your issue is potentially related to either the G62 coolant temp sensor at the back of the head or the G42 intake air temp sensor.
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Dave F.
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
Have increasingly noticed that the coupe is sluggish when cold. So when pressing the accelerator there is a good pause of a couple of seconds before the power comes on, it's as if the car takes a breath before getting going. The usual MAF related fixes don't cure it and it doesn't seem to do it when warmed up so I was wondering if it could be to do with the MFTS?
The MFTS is only connected to the ECU to deal with high temps, not low temps. Your issue is potentially related to either the G62 coolant temp sensor at the back of the head or the G42 intake air temp sensor.
The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums
The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums
Dave F.
Will look into these.
Originally posted by Sonic
Sticky throttle body?
Will have to check this.
Originally posted by Rusty
Mine was like this a bit, I think it was a weak lambda.
Have just fitted a new one as this was my prime suspect. My old good one was destroyed during the turbo failure the other month!
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