Golf IV R32 :: CEL Code P0102 MAF Circuit Low - Slight Whine When In 1st And 2nd Gear
Apr 17, 2011
So today i got my first check engine in the .:R. I was merging onto the freeway and i shifted into third rather enthusiastically (didn't redline in 2nd but i was probably at 6k rpm) and put it into 3rd gave it the gas and the tires squealed and I got the traction control light. Has me a little worried since the traction control light didn't go off afterwards. Got off the freeway and pulled into a parking lot and turned it off for a minute and when i started back up I got the check engine light also. Went to schmucks and pulled the codes and the only code I was able to pull up was P0102 MAF circuit low. I highly doubt my traction control light has anything to do with the MAF circuit. I notice when in 1st and 2nd gear (can't really tell about beyond 2nd because there is too much road noise) there is a slight whine. I cleared the codes and the check engine came back but the traction control light never went off.
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I keep having the P0102 (MAF Circuit Low) code come up. I've replaced the MAF twice already. I also have the P0113 (Intake Air Temp Sensor) which has been replaced as well. Could the breather hose coming off the Intake Air Duct leading to the oil cooler cause this.
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2001 jetta 2.0 VW guys a while back I was pulling a code saying that the air temp sensor circuit was low I believe it was P0112 so I replaced the maf with a bwd maf. Said it was for the car. Was fine for a day but now it has a P0102 code and the epc stays on (rough idle) what could be wrong ? Is it because the car hasn't learned the new sensor yet because I've only drove 10km or do I have a faulty sensor. BTW replacing the maf fixed the P0112 code
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CODE P0102 "Mass or Airflow circuit low input" That was the code and upon checking my records prior to storing it for the year. I installed a new IAC,MAF, Fuel Pump and lots of new hoses, PCV, Fuel injection regulator. The Vehicle has only 110K miles. Now here is the clincher, after doing just the fuel pump it ran perfect for at least 25 miles, perfect I say. When I shut if off I got the check engine light, and thus the code which led me to install the other stuff. Now after pondering the matter, seems that it acted in a similar way PRIOR to my doing anything but there was no code previously. Like maybe some strange electrical connection, or something.
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I get a whine when I'm driving hard under low speeds and accelerating (only when really aggressive). Is this cause for concern? Haldex whine I'm assuming?
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I have an 03 wolfsburg and sometimes when i have the heat on ill hear this weird noise coming from the vent, i turn the heat off and wait a bit and turn it on and its gone. its very random, what might this be?
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Took delivery of my 2015 GTI a few weeks ago. Overall the car is great, but I have a feeling the tires that came with it just plain suck. They are Pirelli P7 Cinturato A/S. According to Tire Rack, these are grand touring tires?! Not exactly what I'd expect to be put on a GTI. Anyway, I've noticed that at almost exactly between 60mph-70mph there is a "whine" sound coming from them, also just the slightest vibration in the steering wheel. At every other speed they are relatively quiet and the wheel is absolutely dead solid, no vibration. Could these tires just be of relatively poor quality? Should I have them put on a balancing machine to see if everything checks out? I'm assuming these were balanced on a Road Force machine at the factory since that is the OEM for VW/Audi, but I'm not 100% sure obviously.
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My friend has tortured my R32 which he was supposed to buy. I had the motor replaced while i was gone as he blew it , again , dumb. I have been driving it and it has a terrible whine in the tranny I brought it to my mechanic and we took a sample to find metal shaving in my tranny.
He says the tranny is gone but I am lost on how it shifts perfect except the whine. It does this louder in the lower gears and has a slight knock at idle and disappears when I press the clutch in.
I bought a used tranny already to put in. I also if this is the case and the tranny needs replacing I was told to also do the clutch , should I go stock to save money or go with a different clutch and possibly a LW Flywheel , is it really a drastic power difference?
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so i just bought my '06 sonata 2.4 lt 4 cyl and it had problems with idling when i plugged into the computer i got a p0101 error code saying there was an air flow problem... took it to the dealer since it is still under warranty and for $100 they told me it was my mass air flow sensor and it would be 4 days and $370 more to replace.
I was able to buy the part from napa and replaced the old one (very simple process) and at the direction of the dealer i was told to disconnect my battery for 15 or so minutes to clear the computer data.
When i powered everything back up the car idles and runs fine but i am now getting a check engine light with p0102 lower voltage than expected from the mass airflow sensor AND a new light popped on "ESC OFF" the button will not turn it back on and i cant think of anything I did would have turned it on?
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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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Trying to get my daughters Santa Fe going. Engine stalling. Idles very slow. 2001 model with 2.4 engine, auto trans.
Code P0102 is active. Cleared with scan tool and it comes right back.
Replaced the MAF and no change.
Checked the intake for leaks / vacuum leaks and none found.
Checked for debris up-stream from MAF and all is clear.
Air filter is clean and dry.
Checked harness plug and found the pin 5 has 4.6 volts on it from PCM. This is the signal wire from MAF to PCM. 4.6 volts is KOEO.
IS THIS NORMAL OR IS PCM BAD ??? All other pins / voltages on harness plug are normal.
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I have a 2001 Regal GS with 105K. It starts, idles and runs fine if I drive it like a Grandpa, but if I try to accelerate even 1/3 or more throttle, it surges and misses. It keeps giving a P0102 (Mass Air Flow A Circuit Low), sometimes less than a minute from resetting it, and other times after 5-10 minutes of driving. I've tried 5 MAF's, two of which were new, and one from a known good running L67 motor. Plugs are new and wires are good. The power and ground wire of the connector test good, but I'm not able to test the signal wire. I've also checked over all vacuum lines and hoses, and pressure tested the exhaust for a plugged cat. I even tried another TPS.
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1999 buick century custom .. 3100 motor .. 200k+ miles ..
It all Started 2months ago.. once every few weeks my car would hesitate during acceleration (leaving a light for example) but just once.Then started it up one day and it was idling rough..also stalled out twice.
Dropped it off at a shop after hours so he could check it out in the A.M.he calls n says its not acting up at all.
Get the car back and drive it 2 more weeks..then it happens again. Rough idle and hesitating...take it directly to the shop but its acting normal again by the time I get there (starting to feel like im crazy)
So I take things into my own hands... I change air filter, clean MAF and throttle body. Change the plugs and wires.
start it up and it seemed to run better than it ever has.. for about 5mins.I took it for a test drive and it started sputtering and bucking and eventually died to the point of undrivable.
Got towed home.NOW it starts dang near everytime but runs EXTREMELY rough for a few seconds before eventually dying. It will run a bit longer if I unplug the MAF (45seconds maybe) but runs like fecal matter the whole time
I have swapped out the MAF, EGR valve and IAC valve with parts from a 97 century (which runs fine)And nothing seemed to change the condition.
Changed fuel filterchecked fuel pressure with key on (41psi)Also replaced the timing chain and gears (thinking it slipped) but it didnt make a difference.
I pulled codes but all it had was a P0102 (MAF low input)But I think that might be from it being unplugged so many times?
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I've put exactly 10,075 miles on my GTI as of this writing. The DSG tranny performs very well, and shifts as smoothly as ever.
However - I have recently started noticing gear whine from the DSG. Now, this isn't a subject I'm unfamiliar with, since I had the DSG in my MK6 replaced at about 15k miles after it developed an eerily similar whine, especially in 1st gear. The MK7 whines in almost every gear from about 1500 - 4000 RPM, during both acceleration and deceleration at light to moderate throttle. Granted, it's not all that noticeable with the radio on/if you're not listening for it. What concerns me, however, is that although I'm fairly sure the whine existed in 1st gear since the car was new, I don't remember it happening in all other gears.
Additionally, there is a fair bit of what sounds like flywheel chatter in Park/Neutral. This noise has also gotten progressively worse since I took delivery.
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I notice whenever I'm on the highway traveling between 60-70mph and at part throttle, I hear a hum that I would best describe as a gear whine which sounds to be coming from the rear. I'm taking it to the dealer next week to be checked.
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Just recently replaced timing chains and clutch on a 2000 VR6, now I have a bit of drive-case whine but in 3rd & 4th gear only? Replaced throw out bearing with new and sachs clutch, Are my transmission bolts too tight or something?
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Ok, my 1996 Buick Regal is acting up. I got a CEL, which was a P0306 (Cylinder #6 misfire), took the car to my shop, and they diagnosed as a faulty Ignition Control Module. Fast Forward, a day later, the car now has a hard start problem and throwing the same code, plus a P0102 Mass Airflow Sensor.
So my questions are:
1) Could a faulty ICM cause a single cylinder misfire, did they just replaced a random part? I would think a bad ICM would a multiple misfire considering on this car each coil controls 2 cylinders.
2) Are the two codes related? ie fix one, and the other would go away? or are they separate issues?
3) What could be wrong with my car?
This mechanic has been in my family for years, however, I'm not very pleased that a day later, my car seems to have more problems than before. Am I being too harsh?
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I have a 2002 Jetta 1.8t. My check engine light came on and it gave me the code P0135 sensor heater circuit. Bank 1 Sensor 1. We bought a new 02 sensor and replaced it. We definitely bought the right one too. Cleared the codes. After a little driving the CEL came back on with the same code P0135. What is wrong and how I can fix this?
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So I replaced the engine and trans engine mounts on my 2004 R32 today. After I got done and drove it there was some serious vibration and gear whine. It also seemed like I wasn't able to transfer all the power to the wheels, it was definitely slower to accelerate. Did something go out of alignment?
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So I replaced the engine and trans engine mounts on my 2004 R32 today. After I got done and drove it there was some serious vibration and gear whine. It also seemed like I wasn't able to transfer all the power to the wheels, it was definitely slower to accelerate. Did something go out of alignment?
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When upshifting into 5th gear there is a slight hesitation before actually going into gear? I do not have this issue with any other gears!
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