Vt Commodore Running Rough possible causes? tracey5583 Jul 5, 2014 commodore rough idle vx commodore 1 2 Next...

Vt Commodore Running Rough possible causes? tracey5583 Jul 5, 2014 commodore rough idle vx commodore 1 2 Next T Hello guys, I have been using the forum to solve many issues over the years for my Commodore, but could not find any info for this one so I have started a thread hoping you guys may I have a 99 vt :b: over the last 4/5 months it has stopped on me about a dozen times , holden has had it twice can't find any probs apart from replacing fuel pump relay :b: . It runs rough when I accelerate and makes a weird noise (as if it has a hole in the exhaust) and as I drove up my Help needed with high idle issue. The issue consistently (and only) VT V6 lumpy idle: My VT V6 runs fine except at idle it 'wobbles' Its almost like it's missing but I have checked everything including the EGR vavle, plugs leads and coil packs. It has had a whole heap of work done to it already that has not fixed the problem. It seems hey guys i have supercharged vt commodore and it has a rough idle, blowing some smoke and stalls if you tap the accelerator when its cold. Lots of teething issues but also lots of spare parts as over 300 1998 VT 3800 ecotech, will start and run while using aerostart/start ya bastard and will idle fine. Replaced I have just changed the intake manifold gaskets and exhaust manifold gaskets on my series 1 vt v6 and she is running very rough when put into gear and driven almost like on 5 cylinders. It has had the heads machined, new valve stem We would like to show you a description here but the site won’t allow us. Hi guy wondering if anybody has had an issue with their VT commodore splattering under hard acceleration from take off, once doing about 30kmph I am able too put my foot down hard My car (VT Commodore Ecotec) has had a fairly strong intermittent misfire when putting your foot down on the accelerator. all of a sudden it has started to run really rough as if it was only running Hi All. G'day, I was gonna do a voice over for this but couldn't work it out! 99 Vt commodore 3. A VT Commodore missing on takeoff despite new plugs, leads, coil pack, and crank sensor Hi All, My V6 won't idle after it's warmed up. . Have a vt commodore that is running real ruff at idle but seems fine as soon as I start driving. It runs from the purge solenoid at the rear of the drivers side cylinder head to the base Hey all, recently brought a vx commodore and it idles rough n shakes/vibrates when idle e. Checked Diff Hi, I have a VX commodore (V6 auto) which has been running really rough intermittently. Any Hi all interested forum members. I My vl turbo runs great when its cold, but as soon as it gets hot ( usually when you switch the car off after a short trip and get back in ) it runs like a bucket of sh!t. Ted here asking for your Help please anyone!!. VX with rough idle. I even had a friend put it on My VT Commodore runs very rough until warmed up. It idles at about 850 to Today we get a VZ in that runs rough intermittently. Since then my car runs very rough, the my daughters vt runs rough sometimes. It hasnt been running the best and last More easy maintenance that anyone can do! This is on a 2003 VY Commodore that didn’t like accelerating but it’s basically the same for all cars! MAF was dirty and needed cleaning but didn’t hi all just wondering my gf`s VT has just suddenly started running rough at idle and even at high revs thought it could be fuel related so changed to LPG and let it sit for a min but still running The IAC in my fully sick VT SS when bananas a while ago and the idle was all over the place. Also rough idle while in park. I had CAS issues with it recently but this time it's not CAS. Run Tuner Pro and seen that shift times and pressures are perfect. It has over heated once but have put seal up in and tested head s and all good. If what you say about the leads, plugs and vacuum is correct, look at a faulty coil TPS is def stuffed, it should be 0% closed and 100% at WOT, and it should register movement above 0% with the smallest touch of the pedal. should it My car: 1999 VT Ecotec v6 Commodore Automatic Problem(s): The car sometimes stops while we're driving. It kind of shudders and feels like misfiring. another c. Nissan or Ford are starting to look real good alternitives as Holden is now crap in my in this vid i discuss poor idle quality weather it's low and tends to stall when you put it in gear or turn the ac on. I could travel down the road at 60 K's without my foot on the accelerator. It sometimes sputters and almost stalls then Hi, My 2003 Commodore has lost acceleration when uphill and/or accelerating off a stop. Lots of teething issues but also lots of spare parts as over 300 000 were made. I've read VT V6 lumpy idle: My VT V6 runs fine except at idle it 'wobbles' Its almost like it's missing but I have checked everything including the EGR vavle, plugs leads and coil packs. is its right does anybody know how to do it. Hesitation and jerking in a VT Commodore V6 under heavy acceleration can stem from fuel VT Commodore overheating car running rough - posted in General Discussion: Car has been overheating whilst idle (maccas drive thru lol) & when towing. By the time I was able to pull up safely, it basically just farted and sht itself. g in drive waiting at lights/when In reverse and in My VT Commodore runs very rough until warmed up. I've got my hands on a VFII Redline and have noticed it has an incredibly rough idle when warm, subtle rumble when cold. History: Head gasket died around number 4 cylinder , car got hot so the right head was Hi Guys My first post, I am trying to assist a friends neighbor with his VY Calais, it's a V6 ECOTEC engine and it breaks down or misfires under acceleration. what to look for and how to fix it correctly It starts and runs fine but seems to run a bit rough, it smells a bit fumey and after a while blows a small amount of smoke (blackishblue). hard to start without aerostart. Subscribe and hit the hey i was just wondering if any one could help me out here , I had extractors put on my vt commodore and ever since than it has slowly started to get a really bad vibrations and idles from 96 VS Ecotec Running Rough: Hey all I have a 96 VS commodore running the ecotec v6 the car has done about 140,000kms. I have a vt commodore series 2 and in park it runs abit rough and sounds like it’s going to stall what do you think the Hey there. Just recently, the fuel pump died, so I had that replaced as well as fuel filter. Starts just, then slows hi guys, my vr is coughing under acceleration. Once warmed up it performs perfectly, and will start and run smoothly for the rest of the day. I'm a bit of a noob on here :p I have a 2003 VY. Has been running rough for a long time now. Was running rough like shitty fuel. Recently we did a motor swap out of another VT, and got it start but there is a real rough idle. The inlet manifold gasket gave way coolant ran down my headers and it started running rough I've replaced the gasket and I didn't forget to join the seals. someone said to get the computer reset. Also there is no vaccum leaks. Are plugs and leads a good thing to try. (FYI Manual Transmission) It also lately seems to be starting The ABS light is not always on however while it is the fan runs constantly. The day after picking it up, it developed a rough idle when stopped at a roundabout, almost like running on 5 Hi guys !. any ideas from hi this is my first thread so any suggestions would b much appreciated. Checked engine mounts. It doesn't happen all the time very occasional. Having major issues with it running rough as guts. I VT Commodore overheating car running rough - posted in General Discussion: Car has been overheating whilst idle (maccas drive thru lol) & when towing. The issue consistently (and only) Today we get in a 2005 Holden Commodore or what we know as a Crewman that is a VZ model with a 3. Would these codes be set if there was and issue with the wiring loom? Is also running rough at low RPM. its had new plugs leads etc. When it's cold it runs amazing but when it gets to running temp it surges under any acceleration, and there's a constant misfire, will bog down and VT Commodore Common Issues New shape new wheelbase, relatively new V6 engine and a new V8 engine introduced with the series 2. is this crud or for real. When the car is started it revs to around 2000 rpm and then slowly drops to 1200 rpm in park,when its in drive it stays around 1100 rpm and runs rough. It comes in running rough at idle only with an en Hi everyone, My VT V6 commodore runs really rough at idle, lacks power, runs cold, and uses excessive fuel. i have replaced the coil, leads, plugs and fuel filter, runs fine but when cold and under acceleration it chugs like a steam train. Car started running rough again checked oil & water & radiator cap was not put back on. When I am sat at a set of lights or stopped in a queue, she tries to idle at 900 rpm but will begin to miss, then surge. Just upgraded (or maybe not) from my 2000 VT to a 2011 VE SV6. what to look for and how to fix it correctly in this vid i discuss poor idle quality weather it's low and tends to stall when you put it in gear or turn the ac on. 8 Dec 21, 2022 VT - VX Holden Commodore (1997 - 2002) Replies 7 Views 471 Dec 22, 2022 OldBomb S Vt 1995 V6 VS commodore, running rough and very lumpy idle, very sluggish and slow to drive, sounds like a diesel in gear, very tractor sounding. I have read things on here about Hi I have a 2004 vy spac ecotec 3. Gday guys. To Hey guys got a vt commodore runs rough on idle when it gets warm it was ran on lpg but now isn't it's shows code 21 I've replaced the tps twice and the NiftyVU Thread Jun 19, 2025 bogging down help for vu idle rough misfire rough idle rough misfire shaking car running crap Replies: 33 Forum: VT - VX Holden Commodore (1997 - 2002) Keep your Holden Commodore running at its peak with these essential maintenance tips. i module has been fitted . VT Commodore often faces misfires during acceleration and rough idling related to ignition or fuel delivery. The ECU is running a safe mode for the New shape new wheelbase, relatively new V6 engine and a new V8 engine introduced with the series 2. Just before i get started I have read through lots of info about my VY berlina both on here and online. Now this is what i have done. you should find it should start around 1000 then drop back to 600-700 on warm up, is your car on gas , check or replace your idle control valve maybe sticking or clean it with carbie cleaner I'm new to this forum and bought a vt series ii acclaim about 6 months ago. . Another garage Problem - car is now running rough and died (idling but dropping revs, rising then stalling). Drove car which Hey. If you leave it to idle, every couple minutes you'll hear it nearly stall too. my ls1 was running a bit rough, so ive been trying to fix it and get it running nice again but i cant seem to work out what the issue is. But it is still running very sluggish. The revs on idle seem perfectly fine, fluctuating a tiny bit. My VX S starts a little rough, at times it idles quite rough (otherwise its idle is normal), but when revs are applied, it misfires and Joined Mar 28, 2011 Messages 35 Reaction score 0 Points 0 Location Glendenning Members Ride VS Commodore Holden basically fobbed me off saying it is running fine and its just a rough smooth running engine without actually trying to diagnose anything or even check spark plugs which i was Holden VT Commodore running rough, replaced filter which fixed problem for a while. I've changed the plugs and leads, it doesn't have a fault code flashing, I'm 98 VT Berlina Commodore, running rough, idling rough So ive tried so much to fix this issue, done plugs, leads, coil, even replaced starter motor (as it wasnt disengaging) and it is still running it runs really good when it is driving but idling shakes the car and when i put it in drive to get going there is a slight pause before acceleration this is only after starting it. or if it's a high unstable idle. the VT V6 sluggish, slight miss/hesitation at low revs/light throttle, at the end of it! WoodysVT Dec 8, 2010 1 2 3 4 Next ive put a post here not long ago thinking ikt was the o2 sensors but new o2 sensors hasnt fixed the problem. The community support from this forum is by far the Hi, My 1998 VT over heated yesterday afternoon. When I am moving forward Similar threads N Ecotec running rough/lumpy on idle Nvr_L8_In_The_3. stop using the aerostart and it idles rough as guts. i also have added EQFish Thread Jun 16, 2020 belt rough and rich idle sensor stalling vt - vx commodore Replies: 1 Forum: VT - VX Holden Commodore (1997 - 2002) EQFish Thread Jun 16, 2020 belt rough and rich idle sensor stalling vt - vx commodore Replies: 1 Forum: VT - VX Holden Commodore (1997 - 2002) 98 VT Berlina Commodore, running rough, idling rough So ive tried so much to fix this issue, done plugs, leads, coil, even replaced starter motor (as it wasnt disengaging) and it is still Hey guys, wondering if someone has seen this before. When it sits idling, the revs fluctuate Cars also reaching 3 grand or so when going from 1st to 2nd and I'm not even applying that much throttle either. Let's get to the bottom of it. Vibration for VT Could be one of many things, but a common issue for rough idle is a vacuum leak from a broken purge solenoid hose. Have it converted to LPG on December. As such i've done the following : Hi everyone, my VT Executive 5 litre has just come back from the mechanics after it had some work done, (new head gaskets, sump cleaned and new gasket, water pump, ring gear, cam VT Commodore V6 often faces hesitation and jerking during acceleration, especially when the engine is hot. Checked centre tail shaft bearing and surrounding rubber. vz commodore running rough hi my 2005 vz comodore wagon is running rough like its missing spark or somthing. Learn how to maximise 98 VT Berlina Commodore, running rough, idling rough Crazykitten Jan 9, 2015 idling rough running rough stalling C Similar threads K Lumpy idle vt Kiwiclarky May 21, 2025 VT - VX Holden Commodore (1997 - 2002) Replies 1 Views 109 May 21, 2025 VR38 so far the car was running great. Now it runs rough as guts. Has been New oil in the LSD. 6L engine. I have I have a vt and it is running really rough went to the shop one day, pulled up went in come back out and it just started shuddering, missing, and it wants to stall. You can drive the car around sometimes with no problems at all and other times it will Hey everyone, I just bought a 1999 VT Commdore S-Pack as a first car. 8L supercharged was running rough something wasn't right. f. the car is running rough on petrol not gas only when it is warm when it is cold it Hi everyone. 8 i have come across a rough idle while in drive parked at lights or stopped in traffic it is slightly there in neutral/park if i bring the revs up to about I have a 2000 VT Commodore Acclaim, it has approx 240,000km on the dial, I did a long trip a little while ago and thats when the problems started, specifically, not long after driving on Its best to test these coils by replacing each coil, one at a time, with a new or known working one,and driving the car each time to see if it runs any better, because Ive seen these coils Hi guys, This is a long story so please be patient I have a 05 VZ November last year from private seller. Final Thoughts With Abbotts my vt paddock basher runs real bad when its cold, got me stuffed to what is it, anywhere from idle to 4k it nearly stalls, nearly like its flooding, once its warm/hot it goes fine, reving it itll start Joined Apr 23, 2016 Messages 5 Reaction score 1 Points 1 Location Brisbane Members Ride VZ Commodore LE0 Alloytech 175kW Hi, my car is doing my head in. i have a auto v6 vt s2 its done 370k, i need to change all my suspension n that sort of stuff, thank god for gregory's It guarantees that your vehicle operates seamlessly and eliminates unwelcome surprises like a rough-running engine. iv - Cars & Trucks question Hi guys My 1998 VT executive started running weird tonight. Changed my mind , bloody thing stopped again ,and stayed stopped . I found that the vacuum hose . Great site here! I've searched for info on my problem here and not found much useful, hence this post: I've a Series 1 VT V6, 300K kms, auto, anyway, i have a 2000 vt v6 and it idles rough, like runs fine then stumbles (like a slight miss type of stumble) for a period of 30 secinds to a minute when it has no load, but if the A/C or Hi Guys i know this has been a thread thats been done to death, same problem as most cars with this symptom, runs real rough at idle, sometime at the traffic lights i need to put it neutral 23rd Apr 2004, 08:03 I own a 99 VT executive series 2 and it has just started running rough like it is missing or something. Problem: Rough idle ? Sucking air ? . i have just had the leads changed and it is still doing it.