knockem

Reviving this post now haha. So I had 5 days of trouble free driving and then this morning it did the same thing. I haven't fault read it again yet as I am typing this from work but it was extremely similar break down just down the road from my house as before. It has rained over night and I can't remember if it was raining the last time this happened. How annoying is it to find a loom break/short to earth as that's what I'm thinking this is now? I really wanted this Lupo to work out but this is turning into a pain.

So the throttle pedal sensor was definitely a fault as it has a big notch as you turn it but after installing new second hand one and starting the engine I got big smell of burning wires so i shut it straight down. fault read again I got a new code saying ignition coil 1 short to earth and low egr signal so had a look in the engine bay and found the earth wire to the coil was red hot and the insulation Burning/falling off. I had changed HT leads plugs and this cheapo ebay coil when I got the car about a month ago because of a missfire which turned out to be broken down leads. so dug out the old coil and hey presto perfectly running engine. So lesson learnt do buy cheap ebay coil pack. I reckon its gone bad and somehow sent HV through the throttle pedal sensor and fried it. Now all I have to put it all back together again. oh and buy a newish engine loom. Thanks for all the help and suggestions @mk2 and @Skezza and @ObjectiveAway

So after pulling the pedal box and swapping out the position sensor it has solved nothing. So now I'm stuck. Is there any measuring blocks on the vcds that I can look at to find some thing out. Weirdly noticed today that the measuring block for engine coolant was sitting at 120C would that cause limp mode with no throttle pedal? At a loss now.

I tried pushing it open but it seems to not want to turn. I have run vcds 060 throttle valve reset and it moves it lovely and passes the test. So I can get the car to idle kind of by not touching anything after starting the engine the EPC light comes on and then it hold idle for more like 10-15 seconds before during but it hunts around from around 700rpm up to 1300rpm and sounds like it's missing but only after the light comes on.

Thanks for the reply. It's looking like it's the sensor. Just wondering if I could have disturbed something as I did a gearbox replacement 3 weeks ago and was all fine before that and lasted a week after? Is there anywhere on this forum or online that shows how to get at the pedal sensor as laying in the footwell it just looks impossible without taking alot of the dash out or something. Does Haynes do a manual? Thanks again.

So I have the EPC light coming on on my Lupo. Start the engine and it fires up immediately. And if you hold the revs then it revs normally for about 3 seconds then the EPC light comes on and it does. I've had my vagcom on it and get 18047 - accelerator position sensor 1/2 (G79/G185) P1639 35-10 implausible signal - intermittent. I've cleaned the throttle body and the brake lights still come on. Charged the battery to full. Any help as to what to check with the vagcom would be greatly appreciated as I'm now scratching my head Thanks in advance

Hi Banshee, What's the handling like compared to standard springs? I have had those same springs in my watch list for months.