Mk5 gti idle problem The main concern is a "diesel" type noise at warm idle, often not present when cold. Then after a night and day of driving, the dreaded problem came back. Disconnecting your MAF forces the ECU to run in safe mode, using premapped fuel curves instead of calculating fuel injector duration based on the MAF and oxygen sensor readings. Could do with getting the new seal and connection pipe between the unit and inlet manifold while I'm at it. Ive done the following fixes so far - Changed the cam follower (Was very bad) - Changed the diverter valve (Was split) - Changed the thermostat (Temp was down at about 60 at all times) Ive now got an issue with the eml light. May 5, 2019 · Awesome GTI seem to think its normal for TFSI's to do this at idle, and if you look on the other Golf forums a lot of others are having the same issue on K03 GTIs too as well as ED30s. 0%? Jul 7, 2009 · Hey Guys Love the forum! I recently bought a 55plate Mk5 GTi from the VW Stealers, absolutely love it to bits, However it has a strange problem with power. Aug 5, 2021 · I was wondering if anyone could please help me with my MK5 GTi running rich off idle problem? It is throwing a P2178 error code and it has me stumped. Apr 9, 2022 · 2006 Mk5 GTI rough idle/stalling Jump to Latest 3. Oct 16, 2016 · If you haven't renewed your dv with there's a fair chance yours is split or on its way out anyway, even if it isn't the cause of the current problem. checked plug gap0. I'm going to approach these problems first, and see if it has any effect on the dodgy idle. , white smoke, especiallay when your going downhills, you stop then move the car from idle and boom. The 6 Most Common Volkswagen 2. If you’ve read many of our posts, you would know that this is the model that really got me into Volkswagen’s. Other than that, you can temporarily swap in a buddy's to see if it solves your issue. Set off from home, reached a junction and waited. 78+vat Aug 1, 2008 · As the owner of a mk5 2005 GTI which yesterday started to be lumpy on idle and when idling I can hear a grinding noise intermittently when the fans start to run. Clockwise to decrease, anticlockwise to increase 6. Feb 21, 2018 · Idle normally sits around 1. Although it is a small component, your ignition coils carry a lot of responsibility in your engine. This GTI was actually named 2007 Automobile of the Year by Automobile Magazine. The problem-CEL is on with P0441 Code - EVAP Emission Control Sys - Incorrect Flow - MIL ON. Any Apr 28, 2017 · They claimed to run a VAGCOM on it and found no faults, they resetted the computer, re positioned the throttle body and "messed" with the idle control. -Clearing the CEL is a temporary "solution", it will keep coming back. Jul 28, 2021 · Yes - that's always the gamble with a pre-loved engine - but if I stuck with the current engine, by the time I add head gasket set, head bolts, valves, lifters/followers and then possible machining for new guides that would be well over £400 and a long way to used engine. I've heard of:-Battery (just changed mine) Apr 23, 2004 · Have an issue with my MK5 2. Ignition coil failure; Vacuum pump leaks; N80 valve failure; PCV Nov 19, 2019 · 1 week ago randomly the car started to high idle once it reached temp around 1200. Your Golf's throttle body controls the amount of air that enters the engine. 11. I have read on other forums that the 1. Any suggestions on how to find a vacuum leak, I have a boost leak tester and now no boost leaks. Apr 7, 2020 · The most common engine problem in a 5th Gen (MK5) GTI is ignition coil packs going bad. My last set died at 15k and I've done a Feb 24, 2022 · Here is the summary in case someone experienced this problem. The problem was solved with a new PCV valve. The revs seem to range between anything from 1000 to 3000rpm on idle and they constantly go up and down between these. When standing still in neutral, it jumps above its normal 800rpm sometimes climbing as high as 1800rpm and then down to around 1000rpm. I then changed them to the NGK iridium BKR7EIX 2667 plugs and that sorted that problem out. I went over the engine bay with carb cleaner to look for vacuum leaks and found none. Sep 10, 2011 · I love this engine and despite some common issues it truly is an unbelievable performer. Revs would happily idle at normal speed then shoot up to 1000rpm for no reason, no fan kicking in, engine not under strain. Nov 4, 2014 · My car misfires only at idle. Feb 23, 2018 · The MAF also plays a key part in idle quality, so perhaps get hold of a can of MAF cleaner, or electrical contact cleaner. You control the throttle body position with Apr 4, 2025 · Volkswagen’s 5th gen GTI was first produced in 2004 and ran until late 2008. I'm currently uploading a video. This is for the 2. all that white smoke coming out. Check the RPM display, adjust the idle with the idle screw on the throttle body to about 850-900 rpm. runs smooth when ever I push the Jun 8, 2011 · Since i have owned the car i have noticed a slight misfire on idle. Part number is 06F129101L £26. Sep 18, 2021 · Apologies for the late response, I was positive I posted a reply before but it seems to have disappeared. Recently I’ve been experiencing rough idle with my gti (stage2+ rtech) - rpm not moving up or down - just feels jerky/lumpy in idle Ive changed:-pcv valve-Cam follower-Oil service/ sump clean - new pick up pipe - oil filter (quantum 5w-40) always used never given any problems before Hi all, My ED30 has developed an idling problem. 5. The misfire is noticeable when the car is up to temperature and it only happens on idle. Ok mate, It’s getting smoke tested Saturday 10th March all being well. Also whilst the car is idle the seems like a vibration to the whole car its faint but i know its not normal and that is continuous and i cannot realise it whilst driving. The issue has been there since I got the car. (2009 GTI, 2. Nov 3, 2021 · Iv been told the N80 valve is the cause of my cold start issue but want to get some advice first from the mk5 gurus before throwing more money at it. Full service been done, have tried wynns petrol gold treatment, new bosch battery last year. After replacing the pickup, double checking there was no wiggle in the end of the oil pump balance shafts, and checking PRV spring was still intact (with a endoscope, you can check my post here ) I narrowed it down to the Oil Spray Jets. So here we go. The Cars Rev's rise to approx 2000 rpm max on their own, and drop so low the engine nearly cuts out, normally after coming to a stop, the car drives great with no other problems, just this one. I have since put 5W-40 in and it has improved the hot idle oil pressure by about 1-1. 21 Introducing you to the GTI idle woes that we've been chasing for months now. 5L Common Problems are Applicable for: Volkswagen Eurovan MK5 Rabbit/Golf MK5 Jetta New Beetle A5 Beetle MK6 Golf B7 Passat. May 27, 2010 · Need to replace mine as it seems to be purging quite a bit on idle. When i parked up back at home i noticed the idle was fluctuating between about 1050 and 1200. 5 - 6 bar when driving and the high pressure pump should be at 50 bar at idle, and rising up to 109. If I keep my MAF sensor plugged in, the car will start, then die. OllieVRS: 2 Replies Nology Silver plugs - reported problems? When a Volkswagen engine misfires, it can be a frustrating and potentially dangerous problem. Here are some steps to help pinpoint the problem: Check Engine Light Codes. Already replaced MAF sensor and coil packsnow we try the O2 sensors. Dec 12, 2019 · I’ve got a edition 30 dsg with 118k on the clock. Dec 19, 2021 · If you see P0100, P0101, P0102, P0103 or P0104 code in the OBD2 scanner, it indicates a problem with the mass air flow sensor. 5psi (1 BAR). Does anyone have a perfectly smooth idle without the slightest feeling of lumpiness in the drivers seat?? May 30, 2019 · The mk5 gti engine is a bit renowned for ticking/tapping/diesel noises. 5L Engine Problems. I've Cleaned the MAF, MAP, and Air intake temp sensors. I have a 2009 GTI (MK5) with 3" Catless downpipe installed, and a 3" CTS Turbo intake, using my stock MAF sensor and housing with it. It did nothing. I have a problem with my GTI on Idle it produces missfire,not all the time ,doesnt idle perfect ,but when driving no problems or missfires the car is now on original map and OEM sparks,new coil packs ,only modifications are twincooler,twintake,catch can ,milltek TBE and autotech fuel pump NOW: 2015 Golf R DSG 5 Door, Lapiz Blue, 19s, Discover Nav, Reversing Camera GONE:2007 Black GTI Edition 30 3dr New to mk5's, had a gti around 3 weeks and have developed a problem already I seem to have an intermittent problem with the car idling, & after hunting through google came up with multiple things so thought it was best to ask. Replacing your 1st o2 sensor (pre-cat) may also fix your rough idle, but you’d likely be experiencing problems at all rpm’s if your oxygen sensor is acting up. Apr 2, 2021 · Hi everyone I am new to this thread. It wasn't a dealer who told me this, it was a member of this forum and he hit the nail right on the head. 9K views 6 replies 3 participants last post by wonton0510 Apr 21, 2022 Apr 11, 2014 · Noticed this earlier in the week. I haven't checked the follower at all, the reason why i'm asking, is because recently i've noticed a alittle sputter during idle in the car, like a little shimmy shake here and there,while I'm driving it's perfectly fine, Oct 22, 2003 · 4. 5 North American MK5 GTI, GLI, and some Jetta’s. The injectors are very tickey and this is totally normal but can mask other sounds. My mk5 gti (manual stock 89k miles) is idling strangely. See gif: OBD found two engine faults: P0507 (idle upper limit exceeded) and P2279 (intake air system leak, lower limit not reached) Apr 23, 2016 · 59 red mk6 GTi 5dr 57 mk5 1. MK5 GOLF GTI 2007 DSG - BWA ENGINE - 140K MILES 3. 6 fsi has some common problems but the post didn't elaborate and I am in the hopes some one knows the issue or can help a fellow golf Jun 17, 2011 · Hi, My golf has just started revving itself when in idle to about 1500 rpm then a few seconds later drops back down to normal tick over, I've heard it maybe the crankcase breather valve however I'm not sure and don't want the dealership having my eyes out like normal. MK5 Golf GTI » Forum » All DIY - Low Oil Pressure at Idle HOW TO FIX GUIDE. The engine was silent from a cold start and only became noisy when it was warm. Just to note, this isn't the occasional hiccup/wobble at idle every ten seconds or so (that I've always experienced with a hot engine), more a constant shaking like it's missing with every turn of the crank. Feb 15, 2008 · Re: Stutter/Misfire on MK5 GTI - Problem SOLVED Post by Speeder » Fri Feb 15, 2008 10:17 pm Jojo wrote: So the point of this post is to highlight a solution to the other MK5 GTI drivers that may be suffering the same fate. If i let it idle long enough, it will throw a EPC light and permanently misfire until i restart the car. they ran a diagnostics check as part of the service, but that also showed no faults and they didnt have time to investigate further as it was closing time, but the technician noted there was a idle problem on the service sheet and Jan 26, 2013 · Hi all. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. My revs where raising and dropping to around 500 and then recovering without me touching anything, I Replaced the pcv Dec 28, 2022 · The in-tank pump should deliver between 3. However, it can happen that there are Jun 21, 2023 · As for idle, I used to have a 12psi at idle, and idle should always be above 14. These cars have small niggles but they have been massively documented with fixes because of the age and popularity of the Jul 28, 2021 · Hi guys, So I added a full bottle of liqui moly cleaner to a full tank and soon the car started misfiring only on idle usually it seems, the mpg increased by quite a margin and feels fine to drive but it seems just on idle I have a problem. I'm having a misfire issue, not just on idle but whilst driving. I have replaced a number of parts but made no difference. I was just giving my take on what my PCV problem was hoping it would lead to solving the OP's problem. 0t FSI… Mar 26, 2020 · I have a GTI MK5 with very rough idle and cutting out issues. If the trims are very low, I would put money on a lazy/partially clogged injector, given that you've replaced everything else. Mar 11, 2014 · i had the same exact problem as yours. 9 TDi match 22 a3 s-line competition 45 tfsiE 09 Suzuki GSXR 1000 (road going track sl*g) Jul 6, 2016 · Until recently the car behaved flawlessly under load, with Stage 2 hardware on a Stage 1 (R-Tech) map, but since I got the map updated to Stage 2 a few weeks ago I've had problems under load at full boost - fuel cuts, limp mode, and misfires at about 4k. Did plugs and coil packs a while back and ever since Ive had rougher idle and surging up to about 1300-2000 RPMs exept when the A/C is on. I have performed the fuel rail pressure test and it is fine, I have replaced the injectors thinking one might have a leak and I have also replaced the coil packs and plugs. Still Feb 25, 2013 · The only real way I know of to test the MAF is to log data for the intake air mass, group 002 w/vcds, and check that with your known hp. The first step in diagnosing a misfiring Volkswagen engine is to check the engine codes with an OBD-II scanner. Let it cool down over night jumped in it the next day and notice the it had a lumpy idle and again a high idle when it reached temp (not lumpy) Jun 22, 2009 · How would the car run, idle or drive. Ive scoured the forums and found plenty of posts where people have the same issue and offer potential solutions, but have yet to find a post where someone actually cured the problem. i tried everything possibly done to stop this problem and guess what was it ? the oilllll i was using, we got this local mechanic in lebanon who sell this brand Eurol. 0 BLX code fsi. The revs drop from the usual 900 rpm when warm, down to about 750 rpm where she stutters and then after a few seconds they rise to about 1,300 rpm briefly before going back to stuttering at 750 rpm. Oct 22, 2018 · 2008 GTI 2. No warning lights showed all the way to vw, so i dropped car in for its service and told them about the problem. Just need a way of finding Vacuum leaks. Does not effect performance but just wondering what could be causing the issue. Jan 20, 2014 · After a few hours I put it back together and fired her up, low and behold, no idle problem, engine ran smooth with no irratic idling at all. 0t FSI. Sorry for the confusion. Nov 1, 2020 · Hey guys, was wondering if anyone had an idea of what could be going on with my 2007 MK5 GTI DSG. The noise was most noticiable from inside the cabin when sat at lights etc. Are you Uncle Ben as in the chap who makes the microwave rice packets? Sep 1, 2017 · For the last year or so, my Mk5 GTI tends to struggle a bit when starting after being left sitting for ~4-5 hours or more. Apr 5, 2023 · I'm having a misfire on idle issue with a GTI (BWA engine code). An ignition coil transfers power from your battery to the spark plugs, where it then lights a vehicle’s fuel and allows your vehicle to run. 0t FSI BPY engine specifically commonly found in 2005. Unplug the blue temp sender and rev the engine cleanly over 3k rpm 3 times, letting it return to idle each time. Apr 9, 2022 · So far I have replaced the fuel filter, MAF sensor just cleaned the intake temp sensor, and am still having the same problem. Cold start Feb 24, 2011 · The whistle was coming from a vent hole in the PCV valve itself. In a worst case scenario it can be a sparkplug that came loose or a coilpack not pressed down, faulty injector, filthy fuel filter, lpfp going bad or bad carbon buildup. . Nov 20, 2012 · Since i bought my GTI it's had a loud knocking noise at idle and really did sound like an old diesel van. Nov 12, 2019 · If your Volkswagen Golf has a faulty throttle body, it can cause it to run terribly. The car was on a long drive from Glasgow to Aberdeen at the weekend and on arrival in Aberdeen the revs started acting strangely at low speeds and then when on idle. I have replaced plugs this morning as I though it was that. 0 tfsi cupra: I have a misfire on cylinder 2. I have tried to look for my specific problem before posting, but could not find it. I've been out for a slow drive to try and reset the logic but it still idles funny. The MK5 GTI’s featured a 2. A couple weeks ago I started noticing some engine issues - a rough idle with rpm drops, random idle surges up to 1500 rpm and a slight hissing noise when I turned off the engine. Give it a blast and see if things improve. 5-2007. I read my DTC's and turns out i have Cylinder 2 Misfire and P130A Hide cylinder Mar 10, 2022 · Hi Ive recently purchased a fairly high mileage MK5 GTI 2005 plate. Mainly on idle or low speeds and more noticeable after its warmed up. Dec 12, 2013 · A jumpy, lumpy idle on a mk5 is usually a shot pcv. 0 TSI CBFA) When i start driving, or if i rev above 1500RPMs at idle, the car will stop misfiring and run normal. Blip the throttle it settles then climbs to 1200 again. 0L slow coach, wasn't driving smoothly or accelarting at all! Was definitely lagging. Sep 5, 2010 · Today i took a long trip down to the Edition 38 show. 9 bar under full load. However, diagnosing the issue can be easier than you think. -Occasional Engine Misfire at idle, more common and worse the less fuel you have in the tank (more air in the tank). 5 psi. It has never done this before, although it was given a good thrashing today. However, when I disconnect the MAF sensor the car will idle and run fine. new pcv, new 02 sensor, new brake booster hose. With the MAF disconnected the car runs fine and with the MAF connected the revs go up and down to where it eventually cuts out. 5%, if it's 5% or more, you probably have a slight leak. 032, plugs are torqued to 20ftlbs. Apr 17, 2014 · Standard black vw golf mk5 gti 2005 // evoms intake, miltek cat back, pre-cat delete, r-tech stage 1 remap, Mercedes alphards, kw coilovers. Plugs were changed as part of 4th year service Mar 15, 2016 · This morning starting it from cold the engine was really shaky on idle, then seemed to settle down as the revs settled to 800ish rpm. I will break down each one of the problems and include what I believe is the best way to handle it. It's good practice to renew to either a VW revision G or a GFB DV+. It's bad enough that it feels like it's running on 2 cylinders! There's no electrical errors coming up for the coil pack loom but how do I check all four are working? Nov 4, 2015 · Mk5 Golf GTI. . Oct 11, 2017 · I then changed coils to red Audi R8 and used denso iridium spark plugs as some retard on eBay suggested it was for MK5 Golf Gti, and it totally drove like a 1. VW 2. Car's booked in ( still in warranty) but I'm interested to hear of any known Mk5 issues on the fans, is the comment re updated design a Mk5 comment? thanks Jan 26, 2023 · The problems listed below are more like minute issues, not necessarily widespread engine problems. Fuel filter has been changed, plugs, new turbo. 2. Car Idles between 750-800 RPM, the needle does not shake even though the car has rough idle and misfire. Whilst waiting I noticed the idle speed was around 1250rpm. How can I go about testing the o2 sensor as my lambda control bank 1 sensor 1 (actual) is in -27. zhos owmnhew azvbgt wizqgke ozmymnu nxhin ivkf piqftd poeqox coxrity