21 Jan 2017, 19:30
Unsure if this topics should reside in Engine or Fuel categories.
Since taking possession of 16606 I've known that the tuning will need "fine-tuning". This said I've been having the following issues that may or may not relate to this. If anyone can advise, from the following explanation, what the cause and possible solution is I would be very grateful.
So when driving along there is the hum/rumble of the engine but then periodically the engine produces this choking noise and the car vibrates/jerks with the noise. In my mind it feels as though the engine is gasping for fuel (but this is an interpretation from my non-mechanical/technical mind). It is naturally most prominent when accelerating, and then when taking the foot off the gas/coasting it then splutters some more. On the drive home today on the M1 there were moments when the rumble of the engine, which does seem to be exceptionally loud, suddenly quietens to a much more harmonious hum and acceleration picks up markedly.
As well as the above symptoms, today for the first time the car kept stalling on me. After a while I noticed that when approaching a roundabout (Yes I was in Milton Keynes - self-professed home of the roundabout), or junction at speed and coming to a halt often the car would stall and I would have to turn the ignition again, often while still in motion. At one roundabout the ignition would not start the car and I had to roll over to the curb/side of the roundabout and after 2 minutes of trying it finally started again. When I was able to slow down and change down through the gears slowly the stall did not happen, or it tried to stall but application of revs kicked it back to life. Naturally for the remainder of my journey, including my return to London I tried my best to slow down gently.
The car was idle in a back yard in Ohio for 25 years and has come back to life only since Christmas. If not tuning or mixture leaning issues then I was wondering if it could be to do with the RPM Fuel Pump Relay (part #101064). It is still running on its original although I do have a new one just in case the original does become problematic. However I'm not entirely certain how to diagnose if the relay need replacing - this could be it (?).
So this is the information I have, I hope I've described the problem(s) well enough. Any help anyone is able to provide, offer, suggest will be much appreciated.
Thanks.
Since taking possession of 16606 I've known that the tuning will need "fine-tuning". This said I've been having the following issues that may or may not relate to this. If anyone can advise, from the following explanation, what the cause and possible solution is I would be very grateful.
So when driving along there is the hum/rumble of the engine but then periodically the engine produces this choking noise and the car vibrates/jerks with the noise. In my mind it feels as though the engine is gasping for fuel (but this is an interpretation from my non-mechanical/technical mind). It is naturally most prominent when accelerating, and then when taking the foot off the gas/coasting it then splutters some more. On the drive home today on the M1 there were moments when the rumble of the engine, which does seem to be exceptionally loud, suddenly quietens to a much more harmonious hum and acceleration picks up markedly.
As well as the above symptoms, today for the first time the car kept stalling on me. After a while I noticed that when approaching a roundabout (Yes I was in Milton Keynes - self-professed home of the roundabout), or junction at speed and coming to a halt often the car would stall and I would have to turn the ignition again, often while still in motion. At one roundabout the ignition would not start the car and I had to roll over to the curb/side of the roundabout and after 2 minutes of trying it finally started again. When I was able to slow down and change down through the gears slowly the stall did not happen, or it tried to stall but application of revs kicked it back to life. Naturally for the remainder of my journey, including my return to London I tried my best to slow down gently.
The car was idle in a back yard in Ohio for 25 years and has come back to life only since Christmas. If not tuning or mixture leaning issues then I was wondering if it could be to do with the RPM Fuel Pump Relay (part #101064). It is still running on its original although I do have a new one just in case the original does become problematic. However I'm not entirely certain how to diagnose if the relay need replacing - this could be it (?).
So this is the information I have, I hope I've described the problem(s) well enough. Any help anyone is able to provide, offer, suggest will be much appreciated.
Thanks.