Golf IV / Jetta IV :: Misfires And Stutters After Sitting In Heavy Rain?
Aug 27, 2014
I replaced the coilpack from the dealer last Summer. It got better as it wouldn't even start for a while after it finished raining. However it has still been finicky even after replacing it. Which brings me to the realization that water runs down the fender panel and ends up on the ground cable located under and to the right of the battery. Am I correct that this would cause the same symptom as a bad coil pack? It seems simple...move the cable right? However should water be doing that? Cause this little sucker is not stopping anything. Just need validation I guess...get new hood insert?
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I just got some condensation in my driver side tail light.... It just rained heavily and then I washed it BC I just got the opti coat done.... Wanted to see the opi work!!!! Anyways now I have this condensation....I have the dark cherry red non led.... I have the JL stealthbox installed... Never happened before had the car about a year now?
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My inline 6 engine softly stutters and misfires while driving and has the check engine light on whenever this happens. It's becoming more frequent now - 20% of the time I'm driving I'd say. The codes are 11, 12, 27, 34. I've looked up the meanings of the codes and I'm leaning towards its bad fuel injectors or a bad connector leading to the fuel rail. I have lots of bad wiring on my 93 Cherokee haha. I've fixed so far: a bad head light connector, and an exposed wire that connects to my distributor - it would swing and touch my engine block causing the engine to die.
But now I am struggling on how to fix my small stuttering engine problem. So the problem only occurs after I make a strong left hand turn such as a 90 degree or a uturn so that means a connection is being pulled to the right. It doesn't have an issue turning to the right though. I don't have sway bars on my 6" lift so there's a reasonable amount of body roll to pull on the wires etc. When I open the hood with the engine running smoothly I can touch and wiggle the front fuel injectors and sometimes I hear it softly misfire or sputter. What connectors lead up to the fuel rail?
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Okay I have a 2001 Vw Jetta 1.8t Wolfsberg.
I have done a few mods:
- Oil catch can
- Boost gauge
- New turbo (5000 miles old)
- Brake booster mod
- PCV system fixed and some hose deletes (that make the intake manifold have one line off of it rather than two)
- Timing belt/ pulleys
- Accessory belt / pulley
- A few other things but nothing to cause this
The car will do this randomly. And I mean once every two weeks of that. I will go to accelerate and the boost gauge says the "boost" is at zero and no matter how much I give it gas, it won't go past zero and stutters. But it stops almost as fast as it starts. I don't get it...
My catch can has 3/4" line to about 1/2" or so, that meets the oil catch can. (Ebay with the blue hose.) I have new plugs, all new (dealership recommended) lubes, all kinds of new small odds and ends. But it's never done this before. (3rd time now in a month..)
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The car is an 02 gti. I am having problems at full boost(17 psi) where the car starts to stutter, backfire, and eventually drops to 5 psi. Throttle up to 15 psi is always smooth and there is no hesitation or misfires. It's chipped but I am unaware of which software as it was already on the car when purchased.
What I've done:
Checked for any leaks - none
Cleaned maf
Replaced plugs(0.028) and coils which was needed anyways
Coil harnesses look good
Fuel filter changed
I've read about the n75 but I am not experiencing any surge issues that many have described. I do believe the car is running a little rich because I can smell some fumes but it is very light. Car fires up just fine and idles smoothly.
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My GF recently picked up a 1.8t (AWW) and we scanned it with vag com before she bought. We knew it had some misfires and a few other small problems so when it ran at higher RPMs we didn't think anything of it.
Fast forward to now after replacing some parts (hoses, coil packs etc...) and still the RPMs seem a little high compared to my mk4 vr6. On the streets in 4th gear, my car stays around 2200 and on the hwy its probably around 3300 in 5th gear at 75mph.
On the streets, her 1.8t seems normal but on the hwy in 5th gear, she's at nearly 4k. So my question... Do 1.8ts run at higher rpms under normal driving?
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2005 gti 1.8t having really rough idle and misfires at idle fine while driving pulling codes:
P0300
P0301
P0302
P0304
Unplugged MAF and didn't make a difference...
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It all started a few months ago.... I started my car, and it started noticeably misfiring, CEL flashing and everything. I scanned it with my vagcom and it came up Cylinder 1 Misfire and Random Multiple misfire. I popped the hood, made sure everything was seated correctly, and shrugged.
Ordered some new wires for it, since it had 80k miles on it with original wires, I figured why not. The misfire didn't come back.
A few weeks later, same thing happened. Misfires, flashing CEL, same codes. I ended up driving it the 5 minutes to work anyways and figured I'd look at it later after I got off.
8 hours later I started it up again, ran like a champ, no CEL on. The problem didn't come up again for 3-4 weeks.
So now, without fail, every month or so, I'll get the same issue. It doesn't matter if it's raining or sunny or cold or warm. But if I let it sit for a few hours, it'll act like it never happened.
Now, I haven't replaced the coil pack yet, simply because it doesn't sound like a coil problem, but I might do it just for the hell of it. New plugs and wires have already been done.
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So I bought a used 1.8t back in august. My second golf, up from an mkiii and I love it. However, the previous owner installed a CAI and being that he lives in the desert, probably never had any issues taking on water. Fast forward to my problem, got caught in a rainstorm, limped it home with the CEL and the traction lights on. it died like three times trying to get it home, but it still would idle when I parked it.
Now I've used the search feature extensively on this problem, and what I've down so far is to take off the intake and reroute it about six or seven inches from the maf, I've cleaned the filter, maf, pancake pipe, and SMIC with denatured alcohol and those are all currently drying. When I took the IC off, specifically the connection between the pancake and the IC, a good three cups (~30oz/850sillyliters) of water dumped out.
Again, my car still was idling when I parked it. Scanned the CEL and got misfires and maf low air codes. Before I started tearing down the intake I took the coils and plugs out and put my shop lights above the valve cover to generate a little heat, maybe make a lil water evap from the cylinders. I live in a pretty arid climate, IE all the water that fell onto my garage floor was gone in 24 hours. Prolly wishful thinking but whatever.
My plan next is to put everything back together when it's all dry, pour a lil oil down into the cylinders, and crank it while the spark plugs are out. Hopefully any residual water will shoot out, along with the oil/gas, and I can go back to enjoying my life.
Also, the intake is hot. I'm thinking any water that made it past the intercooler would've been steam/vapor and I shouldn't need to remove that? Also it seems like it's in a conformation that would force any residual water to drain either into the cylinders or back into the intercooler, so I really don't see any gains by removing and cleaning it
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I have an 03 vr6. I'm getting codes p0300, 0303, and 0304. I changed the plugs and the coils and still has changed nothing. In the morning when I first go to start the car it has a rough start and idles rough. But after letting it warm up it is fine. It drives perfectly fine, no misfires. None of this started happening until the car ran hot a few weeks ago. Did a compression test and everything came up fine. So would could my issue be? I'm at a loss here. I was thinking fuel issue but if it was a fuel issue, wouldn't it run rough all the time?
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My 2000 Excursion, 6.8L V10 misfires when I try to start it, after a rain storm, and for the longest time, I could not figure out what was going on. After much use of a garden hose, to make rain, I found the rear two cylinder wells, on passenger side fill with water, due to a design defect in the engine hood that causes run off down that side of the engine. I visited with a mechanic, and was told that the hood design is common to a lot of the F series trucks, and the 8 and 10 cylinder engines are prone to the water buildup in the passenger rear spark plug wells. I am going to try to put a shield of some sort, around the two cylinder wells, to divert the water.
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I have a 2003 BMW 525i. A couple of years ago, after a heavy rainstorm, I found water in the footwell of the backseat behind the driver’s seat. I took my car to a mechanic and he mentioned the door’s vapor barrier and the vapor barrier was resealed. Again a heavy rain storm, back to the mechanic and the vapor barrier was resealed. This has happened three times and I feel that there is a problem somewhere that has been overlooked by my mechanic. Normally, my car is garaged, but when out of town, my poor car is at the mercy of the weather.
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2000 Jetta MKIV ... 2.0L GL
I've been dealing with random misfire codes on my Jetta (P0300, P0301-P0304). I've since replaced the spark plugs, wires, fuel filter, MAF senor, & camshaft positioning sensor but the problem still persists. The misfires occur right on start-up and don't stop which is leading me to the coil pack being bad.
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My brothers car is a 2000 VW Golf 2.0 that recently started starting rough in the morning, when the motor is cold it will struggle to even turn on and will act like its only running on like 2 or 3 cylinders for a second and most cases stall, he is having to pump the throttle to get it to even stay cranked until it all sudden just starts idling fine and it idles perfect but still acts boggy if you try to rev it right away as its warming up, after about 10 seconds of it idling the motor can be revved perfectly fine and you can turn the car off and it will start back up immediately..
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Friend has '04 LS and he says that after a heavy rain, his LS will only go about 25 mph. Water is getting into something but where? This lasts for about 2 weeks and then all is OK. Water is finally evaporating, I assume, and problem goes away.
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My car is suffering after being stood out in heavy rain - which there's been a lot of recently. When I go to unlock it there is no response and starting requires using the key to be turned left first. Keyless entry doesn't work. All electrics are dead until the car starts. When it's not raining everything's OK again.
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just picked up this 99 Jetta with about 150,000 miles and while driving all of a sudden i had extreme power loss, shaking and shuddering, and the engine light came on. My code reader found multiple random misfires cylinder 1 and 4 codes P0300, P0301, and P0304.
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So I picked up this 24v vr6 in florida and it has the folowing codes:
p2181 malfunction in cooling system
p0303 misfire in cylinder 3
p0305 misfire in cylinder 5
p0300 random multiple misfires detected
p1570 engine control module disabled
I am thinking the ecu is fried? otherwise why else would that last code pop up. misfire codes im assuming are related to the ecu because theres new COP on each cylinder, newer starter, newer alternator, new spark plugs. Cooling system malfunction im thinking could be the ECT sensor, apparently the water pump was replaced a little while back.
If the ecu is fried can I buy a new one chipped from like APR or do they need the existing ecu and then they modify it?
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I have a mk4 1.8t Gti. Recently I have been having issues with idle and boost. I read the codes and multiple random misfires in all 4 cylinders came up, idle control and the crank, knock, and o2 sensor came up. Shows that system is running to lean as well. I changed the spark plugs and wires, check the coil packs they where done about 1k miles so I expect them to be perfectly fine. When I clear the codes it idles below 9-8k rpms. I also noticed the breather hose coming out of the valve cover into the EGT has a hole melted into it, could this cause any of my issues?
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2003 Jetta 1.8T. My car has an issue when you're driving and want to take off. I try to step on it and the car gets stuck. There isn't a CEL and one doesn't flash while it happens. The turbo attempts to spool and then gets stuck almost like sputtering and then misfires. "Sputtering" can last anywhere from a second to until you let off the gas. If you slowly climb through the revs it doesn't do it but if you punch it you're guaranteed to get stuck. I don't have a boost gauge to see if it's spiking but I'm running out of money, time, and options. I've had my car at my normal shop and they can't figure it out and the dealer techs are stumped too. Oil was changed last month and I did a seafoam treatment before I changed the oil.
Mods:
- CAI
- Unitronic Stage 2
- 225 TT DV
- Techtonics 2.5" DP with high flow cat followed by 2.5" straight pipe
- ST Coilovers Maxed out
- Corvette Sawblades 17x9.5 square with 38mm and 33mm adapters. Front and rear tires are different tread, and size. Fronts are all season 205/40/17 and rears are a summer 215/45/17
- Fresh wheel bearings and custom Porsche 930 Chromoly axles
Things that we've tried:
- New MAF
- Flashing back to stock and reinstalling the file as welling as trying lesser flashes (stage 1, 1+)
- New plugs
- New coil packs
- New throttle body
- Boost leak test (no leaks)
- Front o2 sensor
- New crank position sensor
- Throttle body position sensor
- New N75 valve
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My girlfriend's mk4 Jetta is having some sort of electrical issue and she's about ready to sell it. It keeps going dead after sitting. We got her a new battery a few months ago after she bought the car because it kept going dead. So it ran fine for a bit then started doing it again. Tested alternator, checks out, tested battery, bad battery, took it to local vw specialist, they confirmed bad battery, so two weeks ago, we had a new battery put in. Ran fine for a week then started going dead again. All lights turn on, just a weird clicking noise coming from inside the cabin. She also has an hid kit in it that was just redone by a different shop here. 1.8t motor.
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