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Hi, My S5 displayed an orange EPC light on the dash driving home from work. I was going to look it up when home, but then the car lost power and completely stopped. After a few fruitless attempts to start, it eventually started and I continued only for the same thing to happen within another mile. After several repeat incidents, I was able to get home. I have the Ross-Tech VCDS software so I hooked it up and these(below) were the faults listed: Is anyone able to diagnose the issue ? More relevant is whether it's fixable at the road side or do I need to have it towed to a garage ? Do I need an Audi dealer/specialist ? I'm not sure if the fault was triggered by the heat as it's been hot today in the UK(34C) and I could start the car after leaving it a few minutes. I don't think I should try to drive again for fear of the same fault. Any advice appreciated!! Thanks, Richard 6238 - Fuel Rail/System Pressure P0087 00 [00100000] - Too Low Intermittent - Not Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 2 Fault Frequency: 2 Mileage: 121115 km Date: 2025.07.01 Time: 15:35:21 Engine speed: 1269.00 /min Normed load value: 29.8 % Vehicle speed: 65 km/h Coolant temperature: 96 ∞C Intake air temperature: 44 ∞C Ambient air pressure: 990 mbar Voltage terminal 30: 12.796 V Unlearning counter according OBD: 40 Engine speed: actual: 1248 /min MAF_ENVD: 375.84705 mg/stroke Coolant temperature (unfiltered): 94.50 ∞C FUEL_MASS_REQ_I_CTL_ENVD: 28.265625 FUP_ENVD: 1358.5177 hPa FUP_EFP_ENVD: 1363.83 hPa 16903 - Vapor Bubble Formation in Low-Pressure Fuel Circuit P125B 00 [00101100] - - Intermittent - Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 6 Fault Frequency: 8 Mileage: 121115 km Date: 2025.07.01 Time: 15:35:54 Engine speed: 0.00 /min Normed load value: 0.0 % Vehicle speed: 13 km/h Coolant temperature: 95 ∞C Intake air temperature: 51 ∞C Ambient air pressure: 990 mbar Voltage terminal 30: 12.898 V Unlearning counter according OBD: 40 Engine speed: actual: 0 /min MAF_ENVD: 0.00000 mg/stroke Coolant temperature (unfiltered): 92.25 ∞C Engine: operating status: ES FUP_EFP_ENVD: 2045.74 hPa Vehicle speed: actual: 8 km/h 11010 - Fuel Pump P3043 00 [00101100] - Mechanical Malfunction Intermittent - Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 2 Fault Frequency: 6 Mileage: 121092 km Date: 2025.07.01 Time: 15:18:56 Engine speed: 2464.00 /min Normed load value: 56.9 % Vehicle speed: 20 km/h Coolant temperature: 96 ∞C Intake air temperature: 43 ∞C Ambient air pressure: 990 mbar Voltage terminal 30: 12.491 V Unlearning counter according OBD: 40 Engine speed: actual: 1184 /min MAF_ENVD: 76.25882 mg/stroke Coolant temperature (unfiltered): 93.00 ∞C Engine: operating status: PUC FUP_EFP_ENVD: 5455.31 hPa Vehicle speed: actual: 37 km/h 14812 - Fuel Pump P308D 00 [01100101] - RPM too Low Not Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 6 Fault Frequency: 1 Mileage: 121117 km Date: 2025.07.01 Time: 15:46:38 Engine speed: 1140.00 /min Normed load value: 7.8 % Vehicle speed: 35 km/h Coolant temperature: 94 ∞C Intake air temperature: 52 ∞C Ambient air pressure: 990 mbar Voltage terminal 30: 13.202 V Unlearning counter according OBD: 40 Engine speed: actual: 1120 /min MAF_ENVD: 92.60000 mg/stroke Coolant temperature (unfiltered): 94.50 ∞C Engine: operating status: PU FUP_EFP_ENVD: 4773.4 hPa Vehicle speed: actual: 35 km/h Readiness: 0000 0000

Hi, i’m new to owning a Audi. I have a 2013 A3 sport saloon. The system uses mmi. The 3g version with sd cards. I was wondering if it’s possible or worth getting the later system. For the apple car play, remote map updates and if it includes the surround sound setting. Any advice is welcome. Thanks for reading

Just to clarify the sill damage is on the opposite side to the door hinge issue if your trying to relate the two that is 🙂

thanks - i've tried both and neither have shed any light - doesnt seem to be any detail in the VIN checker and no sticker that i can see in the wheel well. I've taken everything out

Cheers Steve

Hi Guys I took the car back to the mechanic who replaced the drivers side lower rearward arm and now all the noise is gone on the drivers side. Basically, that's both lower arms and drop link replaced on Drivers side. Looks like I need to do the same on the passenger side as I can now hear a creaking noise lol It only occurs at low speed during braking, as opposed to the drivers side which was during accelerating at low speed. I assume I need to replace the front lower rearward control arm too on the passenger side but has anyone ever experienced creaking noise during braking where the car pitches forward at low speed? Which arm would receive the most force during low speed braking? Just worried if I ask the mechanic to replace the arm and it doesn't fix it. Could it be the upper arms? Cheers

You're most welcome 🙂 please keep us posted on how you get on with the retrofit.

Yeah, I raised it with the sales manager who showed me a 150 point pre sale check etc, the only thing I can think of is I'm pretty sure it was almost ok from cold and worse when up to temp, maybe this is why it got missed.

Great guide. Well done on the job. If I may add; when I did mine I needed to remove the fan motor as there wasn’t the room to get the core out otherwise. Just in case anyone has the same experience as me.

Please keep us posted on how you get on

A trivial issue but its starting to niggle. Q2, 1.5 petrol. I thought it might be battery related as car is over 5 years old now, the start/stop kept turning off too, so I changed the battery and it is still happening, the digital clock on the MMI radio screen goes off at the same time as a single 'beep' occurs. No warning lights and I can find no info on this phenomenom. I usually have my phone plugged in with android auto showing google maps, which has its own clock, so it isn't much of an issue for me. I know its trivial but I need to know why its happening. Any ideas appreciated Thanks.

Any news on this matter Brad?

I will not mess any one around!!

Please have a look at one of the advertisers at the bottom of the website as they do custom hoses. Club members get 10% off.

I have the same problem mate and you're right, it is really annoying. My hearing's got worse over the years and my wife is constantly telling me I'm still indicating, unfortunately she doesn't have a volume control either.

And no more AC, which is not what you want in this weather. Will you get it fixed?

Hi. When I fitted my spare wheel it dropped in underneath the boot floor, so there is no difference in the space available in the main boot. However, depending on the tyre and the fittings already fitted to the chassis underneath the floor you may get either more or less space for tools etc. my tools sit inside the spacesaver tyre which is handy. Hope that helps you out 👍

Does anyone know what colour code the OEM springs are for a 2014 A6 C7 S-Line Ultra Saloon? Tried LLL parts but there's so many different colour codes that it nearly impossible to find which ones are right and I'd like to get the right springs that match the spec of the car. Cheers!

I would look between the intake under the scuttle trim and the interior fan motor. That would be a typical location the sensor you are looking for would be situated. Will be a very basic 2 wire sensor. -50 usualy means sensors has failed/disconnected or broken wire. You can use a jumper wire to quickly test for a change in readings to ascertain it’s the sensor needing replaced

Thank you. I’ve exhausted patience with it, I don’t know a lot to do with cars and less with electronics. Will likely be gone for scrap. Appreciate your replies.

Ideally you need someone who can look and understand the live data readings that a good diagnostics can provide and try to get the fault to occur while doing this to see what changes

Hi guys, recently bought an audi a4 on 110k miles. since buying the car for £2000, i have spent nearly the same in repairs and garage fees. it has not been kind to me. Recently got the car back after having a new timing belt kit, water pump, 2 new camshafts, aux belt - the list goes on. within a week, my EML came on after dropping down a gear and i have loss of power after around 2600 revs, along with a flashing glowplug light. ive been told by a friends "mechanically minded" dad, that the turbo is goosed, but then i have also been told it probably will be the EGR Valve or even a boost pressure sensor! good to mention that there is no smoke on acceleration etc. codes found when plugged in: p0299 05171 confused is not the word. Any help is greatly appreciated as i genuinely think im going to write the car off at this point.

I think you'll need to get this booked into the main dealer as MMI issues are well documented.

Looking on autotrader of 24 models onwards most are not hybrid and all the 204ps ones aren't hybrid.

Please keep us posted on how you get on 🙂