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  1. A4, S4, RS4 (B6 and B7)
    While on a road trip I started having a problem where my epc light would come on, cruise control would shut off, and the throttle would have no response, and once I coasted to a stop, the engine idled rough. Every time this happened I was able to shut off the car and turn it back on and drive...
  2. Passat (B7)
    Hi all, I'm getting a code: 00545 Passive/Occasional (after about 30 mins of driving) for Throttle/Pedal Position Sensor/Switch B Range/Performance. Before getting this code I was getting code: 00290 for Throttle/Pedal Pos. Sensor A Circ. Low Input. I resolved this by checking voltage (on the...
  3. VAG-COM Diagnostic Forum
    When the engine is working and car on N or P not moving for a couple of minutes EPC Light came on and check engine light & car starting to shake, After VAG-COM scan I have replaced the #1 coil, clear all fault, Couple of days later it came back ageing, Please see scan from this morning...
  4. Atlas SUV
    Good time of the day, my wife came home worried that our brand new 2022 3.6 Atlas 4motion has a problem. 1200 miles on it, she drove to the store and EPC light came on, she did not know what it meant and it disappeared after 10 mins of driving. When she got home I connected one of those ELM OBD...
  5. Jetta/GLI VI
    I own a 2015 Jetta with the 1.8L TSI engine. I have had the EPC light come on multiple times since the beginning of August. I have taken it to my local Volkswagen dealership since August. The first time I was there in late August they told me it was a software update. They performed that and in...
  6. Jetta/GLI VI
    Started my 2011 jetta this morning and immediate rough idle. Was fine when I parked it last night. EPC light is on, rough idle, seems to be in limp mode. Did a scan on the vehicle and the only P-codes are P2101, P2106, P0212. Other ID's (non-Pcodes) shown on scan: 05445 - Throttle valve...
  7. Golf V & Jetta V
    Hey guys, anyone got any ideas for this one? 2010 Jetta 2.5L, 5-speed I was getting some misfire codes, I narrowed it down to the fuel pump. I replaced the filter and pump and all was well. About 100 miles later I got the EPC light on, but the car still ran fine. I ran a bottle of fuel...
    epc
  8. Golf SportWagen VII
    My car, purchased in 2016, has just exited warranty, so I guess it makes sense that this would happen now? Hoping maybe someone has some insight as I am going to be taking it to a local shop but the soonest they can get me in is 3 days from now: A handful of times in the last year my Sportwagen...
  9. Golf/GTI VII
    EPC and Engine light This is my first VW and I'm still figuring out stuff. I got into the car after work and just pressed start/stop engine button. This started the head unit, interior lighting and hvac system. On the instrument cluster I see EPC and engine light on. These lights go away when I...
  10. Golf V & Jetta V
    Hey guys, I need some help. I’ve scoured the forums looking at all similar cases but haven’t found any solutions yet. I have a MKV Jetta with the 2.0T FSI engine with a 6 speed manual. This car is so much fun to drive, but I’m afraid it’s only going to be scrapped now. While I was on the...
  11. Passat (B7)
    Just purchased a 2018 Passat R-line 2.0T about 3 weeks ago. Has 70K I have noticed a slight sporadic shake while idling or in park. So minor its hard to notice. And I've only noticed it twice in three weeks. Both times after sitting all night. Once it's warmed up. I've only put < 200 miles on it...
  12. Golf IV & Jetta IV
    ive had this 2002 vw vr6 12v for 6 years now and it has had the epc light come on and off, once in a while i wouldnt be able to start it on the first try. it would always end up working fine after i turned the key off and tried again. a couple months ago it stopped starting but every once in a...
  13. New Beetle & New Beetle Convertible
    My daughter's 2001 Beetle (2.0L 4 cylinder, AVH engine, automatic trans) needed a new A/C compressor so I swapped it out last weekend. It ran fine all week and yesterday, I took it to a good mechanic I know to have him get the PAG oil and R134a done right. The A/C initially worked but then cut...
  14. 2.5l Inline-5 Engine Forum
    Hello all, first time posting here as other threads haven't been much help. I drive a 2013 Volkswagen Jetta 2.5L. I have it tuned to IE Stage 1, a USP Engineering Cold Air Intake, Raceland Coilovers and Raceland exhaust cutout. A couple of weeks ago, the car started misfiring at high RPMs and...
  15. 2.0 Liter Engine Forum
    Hey there! I just recently bought myself a 2007 Golf City (Canada exclusive but just a 2.0 NA mk4). had great fun driving it, (despite the anemic engine) for about a week. then my EPC light came on followed by the check engine. scanned the car to be greeted with a P0221 code. The code reads...
  16. Golf VII R
    Hello people I had a engine rebuild done recently and these are the codes it’s showing any ideas ..
  17. Passat (B6)
    I bought a 2009 passat (2.0 tsi) no issues shown. A week later it started misfiring. I changed the spark plugs and changed the engine oil and oil filter. It got a little bit better. Then, I did a test and it showed that the misfire is happening in cylinders 2 and 4 and the intake position sensor...
  18. Atlas SUV
    Hello all, I recently had my polo in the garage to have the coil pack fixed when getting the car back and parking up at home, I noticed the epc light came on and now there’s a strong smell of petrol. I’ve noticed my brake lights don’t work so thinking maybe need a new brake switch? Not sure...
  19. Polo
    I recently posted about the EPC light that put the car in limp mode. Since I'll be DIY, I need assistance please. I scanned the car this weekend with VCDS: the below are the errors that I'm getting(NB: I already tested the throttle body's wiring with a multimeter and it seems fine): 1. Throttle...
  20. Polo
    Hi all. After I drove in a heavy rain, my car's been showing an EPC light. When the EPC light comes on, the car goes into limp mode and I can't rev above 1500rpm. We diagnosed it VCDS and it spoke about Throttle Paddle sensor and Throttle Body. We tested the Throttle Body's wiring and it was...
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