Golf IV R32 :: Running Rough And Stumbling A Bit - Code P0103
Jan 17, 2013
124k, original owner, no mods. Car was running rough and stumbling a bit. A bunch of codes came up. I replaced coils because I had them, spark plugs look good. One code came back p0103. I cleaned the throttle butterfly and replaced the maf sensor. Still same problem.
When I first start it cold it idles high but stays running , once it warms a little the idle drops and then it won't stay running. Then the traction control light comes on and then the cel. I checked for a vacuum leak but came up with nothing.
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I recently replaced my MAF on the car with part number 06A 906 461 A which is not the 07D 906 461 part number. I take it that this is wrong because i am getting power surging in the car at WOT and I have a pending DTC code P0103.
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About two weeks ago I purchased an intake from a member here on vortex. I installed it, drove the R a few times, and ended up getting a CEL right afterwards for P0103 (maf circuit high). Does this have anything to do with the intake install? Car runs absolutely fine.. no weird issues. Never heard of an intake causing a code like that. Cleared it.. it came back.
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So I bought an 04 3 months ago everything seemed good all deltas were good had a small leak nothing serious. I had the egr deleted then i did the mistake of flooring it 1 morning at top end and the mech is telling me threw a valve. The truck was stumbling and running ruff with white smoke. looks like cycl. 7 took a hit and shows 10 psi of compression. The injector are in working order and so are the rockers. the bill is 3500 all in for new gaskets and oil cooler head work, arp studs and labor.
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So the last couple times I got a car wash the truck started running real rough, sometimes dies, then runs fine after a few minutes. Well, the last car wash I got it did it again, but the issue didn't go away. I checked the injector plugs, cleaned and greased, no change. Validated the bowl is filling with fuel, changed fuel filter, no luck.
Sometimes it will start and idle fine, rev in neutral fine, if you come off throttle abruptly it will fall below normal idle and start stumbling with an SES light and eventually die.
I managed to get it idling good, started logging with TPro (attached) and it was throwing codes P0475 - Exhaust Pressure Control Valve, and P0705 - Transmission Range Sensor Circuit Malfunction, as well as P1211, p1249, p1316 listed as 'multiple descriptions'.
I'm assuming this is an electrical issue since it happened after washing the truck, just not sure what sensor would cause all this?
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Got an 07 Screw with only 50,000 miles. Yesterday, wife drove it home from work and said it would only do 45mph and didn't sound good. No warning lights were on, she said. I test drove it in the evening and it ran totally fine. Today, she drives it to work and said it ran real rough and "Check Engine" light was on. I picked it up from her work and it idles very rough and slow, and once you hit about 2000 rpm, it runs decent, maybe even normal. Below that, it stumbles and engine doesn't sound right. "Check Engine" light is either ON steady, or flashing. I don't have a code reader, so its likely going to the Ford Dealer Monday. Is there any way to read the code without a reader?
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Just stopped by the dealer to check on some parts, went to start the car, and this happened. Also smells rich as hell. Did I just drop the ECU code?
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So about six months ago I bought a used 2010 mkvi gti from a small dealer. Now here's my problem. The other day i started my car and it was a rough start. And the car ran rough. I stalled twice trying to back up. Then the car threw a light. I didnt drive it at all. Shut it off and left it. Read the code that night. P0016
Now I know the timing tensioner thing has been beaten to death. So that's my first thought. However, there was never a rattle or a noise. Nothing like that. Is it possible? All four cylinders have compression. About 210psi. I don't know if that is good or bad. Plugs are worn but look good enough. Not too much junk on them. Coil packs look "newer" and they are the "upgraded" versions. Other than the tensioner what else could cause a p0016 failt?
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I bought a 1999(b5) passat, 1.8t(AEB) 5spd, came with a DIRTY K&N so i cleaned it with the cleaning kit....
Car drove fine, then: started it up after an hour or so.. it was idling rough, then would spike(17-1800), idle rough, idle fine, spike....etc. just random. it went away for a few minutes, so i tried to drive it home... got 1/8 mile into 3rd... and car just bogged down so i slowed to stop and turn, went to go, it was idling rough so i couldnt drive, just "hobble" into parking lot.... i let run, more random rough, spike, fine... so i let it sit, off. when i returned, it was the same, but now CEL light on...
Codes: P0103 - Mass or Volume air flow sensor circuit high input
P0134 - Heated Oxygen sensor - bank 1 sensor 1 (H02s11) sensor circuit no activity detected
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I have an 2004 Santa Fe and im having some Mass Air Flow Sensor problems but I dont know what's wrong. My engine light came on for the second time after awhile. And I got it checked for the code and of course it was my sensor again. The first time I just giggled it around and the light went off. I did the same thing today with giggling it again went off. So I feel like it might be a loose connection but I really hope it isn't failing because im pretty sure that's uber expensive to fix.
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So i got the UM tune done to my car then went and got my TT cams installed. After giving me car the 50 miles to adjust for the cams i get a CEL P0103 Mass or volume air flow circuit high input. Checked the connections around the maf and im noting seeing any broken vac lines or anything out of the ordinary.
Cleaned the maf and cleared the code but the CEL popped back up, got a new maf just because I like spending money on things i dont need and the CEL is still there, low speed or high speed it will pop on.
Is there anything I am missing that could be causing this problem or something i can try other then take to the place that did my cams?
2004 r32
123k miles on it
UM NA tune
carbonio CAI
TT cams
Test pipe and neuspeed cat back exhaust
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My 1986 Nissan 300ZX Turbo has 60,000 careful miles on the odometer. It began stumbling, like running on 3 cylinders, when started cold. Time of day and moisture make no difference. New Cold Start and Air Flow Sensors have worked a little, but it still has the stumbles about half the time when started cold.
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I have a 2003 Ford Taurus. It has been running rough for awhile. It doesn't happen all the time, alas. I took it to my local repair guy. They first said, oh this happens when the AC is on. But I knew it happened otherwise.
The check engine light came on yesterday, blinking, but didn't stay on. And it was running rough. Check engine light came on, on a Sunday so I had to wait until Monday to bring the car in. They just called and said they can't find anything wrong, ran it on the computer, says it's running fine. I said, did you check the spark plugs, wires, etc? (I am good at googling, to be armed with some kind of info)
I am thinking they just put it on the computer. I suppose it has to be running bad to show anything (?) and even then, it's no guarantee. Anyway. It seems like I am "sentenced" to driving this car until it strands me, catches on fire (I read about that possibility and I have on occasion smelled something burning), or if luck has it, when it is running rough, and I bring it in while it's running rough, the computer finds the problem.
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IAC issues? 2003 Ford Focus LX 2.0 ... Over the last week or so, my car has occasionally started very roughly. It stumbles and is very rough. After about 20 or so seconds, it smooths and drives fine.
Also, I've noticed in the last few weeks that there is a noticeable drop in power when I turn on the blower, even with the AC off. Not a loss as where it stalls, but still very noticeable. Then I've also noticed that when I'm at a long light, or other times I start it and it doesn't stumble/start rough, that it will sort of feel as if someone is slowly pushing down on the accelerator and releasing, and this can go on for a while. Not dramatically, but definitely noticeable.
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I have a 2007 F-150. Here is the story....
Last summer the truck was idling rough and seemed to be stumbling a bit. Took it to the dealership and had it diagnosed. Had a mis-fire code on cylinders 1 and 3. I was told to do the spark plugs and clean the MAF. After replacing all plugs and cleaning the MAF the truck seemed to run better but it didnt last long before it started doing the same thing. My Edge Evolution started showing misfire codes in cylinders 1 and 3 again and the truck is stumbling like crazy. Here is what i have done:
1. Swapped the plugs from cyl. 1 and 3 with cyl. 5 and 7 and the problem followed.
2. I replaced the bad plugs with new ones and i no longer get a code for those cylinders but the truck is still acting the same.
Now I am getting two codes saying the system is running rich on bank 1 and 2 and a misfire code in cylinder 4. I cleaned the K&N filter and replaced the MAF but it is still the same. The truck stumbles horribly under a load and has NO power.
History:
2007 F-150 5.4L Lariat
75K miles +/-
K&N Filter
Edge Evolution (has been kept in stock mode)
new spark plugs last summer
new MAF (this week)
New Fuel filter (two summers ago)
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I have replaced the camshaft pos sensor multiple times from Autozone (warranty ) and replaced with one from Advance Auto still get cam sensor code changed crankshaft sensor today still running like crap, stuttering. I have also done a complete tune up and the Distributor has not been pulled.
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I have a 2009 Jeep Grand Cherokee. Engine is running rough. Check engine light comes on. Code is P0152. The code is defined as high voltage on the front o2 sensor (bank 2). I hooked up the scanner again and checked the voltages. Both O2 sensors on bank 2 are never making it above 0.1V. That seems to contradict what the DTC is telling me. Is that somehow related to the fact that it is not going into closed loop? I'm a little confused.
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1998 Ranger 4x4 4.0 Ltr - Runs rough ever now and then and CEL giving P1151 code. Upper and lower intake gaskets have been replaced.
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Wife just pulled in said your trucks running rough. Right out the gate went out Checked ICPV its at 0 KOEO... Noticed a CEL P2285...
ICPV seams to be Jumping all around at Idle...
it stutters and smooth's out some I believe its going into default mode...
its acting different then last time the ICP went south thinking a wire is shorted or that's my guess ...
is it just me or do Vehicles seem to break down more when its Cold...
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I have a 98 sport 4.0 i bought awhile back and its been running rough.. When driving it seems to cut out.. I had it scanned and it has code PO453 which is pressure sensor.. I was told they replaced the fuel pump when i got it.. After driving and i get out i can smell gas on the drivers side.. I replaced the gas cap but no change.. I was just wondering about this code and what i should start with first..
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Our 2.0T (2008 Passat Komfort Wagon) with 70K miles is sitting in a mall parking lot and won't turn over. The lights and accessories all function just fine, and don't change/benefit from a battery jump. DRLs and all dash indicators light up like normal.
We push in the key fob and absolutely nothing happens. No error messages or anything. I tried a half dozen times; no change. Two things to know:
1) The car is under a recall for defective Electronic Steering Column Lock. I understand this can invoke the immobilizer? Car does seem immobilized. (I hadn't gotten the car in for the recall.)
2) The car recently ran rough and threw an Emissions system code. I hadn't gotten that code read, yet, but the roughness sorted itself out. I think this is unrelated and may be a case of "car wash syndrome" as my wife and son occasionally run the car for a minute or less to move it from the driveway to the street.
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