Hello all,
We would appreciate some help please.
We have a 308, petrol, 1.6 THP, with a problem that is puzzling our local garage. It is having an accelerator or throttle control problem. It is only noticeable in a stop and go situation: when the car is stopped, just before starting to move, a driver 1st presses the clutch down, engages 1st gear, but when the driver's foot touches the accelerator (before lifting the clutch) the reaction from the engine is not smooth, it's a bit erratic, oscillating "around" what the driver intended, in little “bursts” of around 1 second each, like when a driver is revving the engine a bit, but I am not, my foot is still.
Notes: The idle is fine. And when the driver puts its foot down the car goes very well, with its normal 0-60 below 9 seconds.
Our local garage said that it could be many things, if I remember correctly: the sensor behind the accelerator pedal, or some other sensor on the engine side, or the wire in between them, or some “throttle control”? (or some “butterfly” in it?), or perhaps a software problem?
But they had no way of knowing before starting to replace parts, which could be expensive, and wasteful. So I thought perhaps you guys in this Forum may have seen this problem before in other THPs? Or could suggest some tests, or questions, to narrow down the possible problems please?
Thank you all in advance for your help,
Mark
We would appreciate some help please.
We have a 308, petrol, 1.6 THP, with a problem that is puzzling our local garage. It is having an accelerator or throttle control problem. It is only noticeable in a stop and go situation: when the car is stopped, just before starting to move, a driver 1st presses the clutch down, engages 1st gear, but when the driver's foot touches the accelerator (before lifting the clutch) the reaction from the engine is not smooth, it's a bit erratic, oscillating "around" what the driver intended, in little “bursts” of around 1 second each, like when a driver is revving the engine a bit, but I am not, my foot is still.
Notes: The idle is fine. And when the driver puts its foot down the car goes very well, with its normal 0-60 below 9 seconds.
Our local garage said that it could be many things, if I remember correctly: the sensor behind the accelerator pedal, or some other sensor on the engine side, or the wire in between them, or some “throttle control”? (or some “butterfly” in it?), or perhaps a software problem?
But they had no way of knowing before starting to replace parts, which could be expensive, and wasteful. So I thought perhaps you guys in this Forum may have seen this problem before in other THPs? Or could suggest some tests, or questions, to narrow down the possible problems please?
Thank you all in advance for your help,
Mark