Golf IV R32 :: RPMs Slowly Starting Getting Lower To The Point Where Car Almost Stalled While Idling
Oct 12, 2014
So just last night I began having a small issue with my R32. While idling, the RPM's slowly starting getting lower to the point where the car almost stalled, probably in the neighborhood of around 300rpms, then it would slowly increase back to normal idle. It did this a few times then while driving and a steady cruise of 35mph I felt a large power loss for a second or two. This repeated a few times until I got home and parked it. I also noticed that the RPM's would fall much, much faster between shifts than normal during this episode. I drove it a short distance today. It it showed no signs of the same problem. Any possible causes?
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backed out of the garage fine later in the day went to put it away started hard would not idle and only rev to 2500 .cleaned map sensor,egg valve tested and it works.cleaned the IAC and that works ,fuel pressure is 58psi. starts hard it would idle now it doesn't dies, no code . with 58psi could the pump still be bad? it has 18 pounds of vacuum. where is the vacuum line for the fuel pressure regulator on the motor?
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So the Jetta started running rough, then stalled after starting. Couldn't drive it home so I had to tow it. Got to the house and read codes. It gave me P0135, P0171, and P0321. I researched and saw that the only code of these three whose symptoms included stalling was P0321, so I replaced the Crankshaft Position sensor. Tried starting it, and it wouldn't start at all. I kept at it for a while thinking it would catch, but after 5 minutes the battery was too low to crank. I tested the old crankshaft sensor, and had resistance of about 900 ohms, so it was in range. For giggles, I pulled the new one and checked it, also in range. I put one of them back in, and proceeded to scratch my head. Charged the battery up, and now not sure what to do. I need to do a very close hose inspection, but there are no obvious tears or breaks.
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I've noticed something new on my R32 recently. If I let the car sit in neutral with the motor on it's rpms will start to climb slowly. Normally it idles at around 800 rpm but when this happens it will climb to around 1200 rpm and stay there. Usually it takes a couple of minutes but you can slowly see the tach climbing. Also, you can feel the engine slowly revving as well (can hear it).
Now this doesn't happen all the time. I've only experienced it a few times in the past couple of weeks and only seems to happen if the car has been sitting idle with the motor on for at least 10 minutes (it happens when I've been at sonic waiting for an order). I can bring the rpms back to normal if I rev the car up to around 3.5k and let the motor settle back down to idle. What is causing this?
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I have 2002 2.0 Jetta that I totaled. I found a 2000 2.0 Jetta that had no engine or tran. I swapped the entire wiring harness with the engine and trans from 2002 into 2000. I even swapped the doors. The cluster, steering column and all. I am still in the process of getting a few parts to finish it up. At this point, the only thing not hooked up is the headlights and the radiator. I hooked up a battery and tried to get it to turn over today. I turned the key to the on position and the cluster did not do anything. The engine turned over very slowly in the start position.
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I recently acquired a 2000 Golf GTI 1.8 20v that came with a few preexisting issues, one of which being that the alternator will not charge the battery. I've checked my voltage while running "starting with a full charge" and it slowly but steadily declines from 12.09 to 11.0 over a 2-3 minute time span. On the dash the battery light is on and never turns off and my radio does not work at all "even with a full charge". I have already replaced my alternator, battery, battery cable, and the two relays in the engine compartment. The relays in the engine compartment were causing a "ghost" amp draw but that has been resolved. I do not have a 109 relay as I have read that this could be the culprit, when I examined the "under-dash" panel I found that my panel does not have one. I have also replaced the 30amp fuses in the engine compartment fuse box and cleaned the grounds.
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I've been dealing with this for some time now because it hasn't seemed to affect my performance when I am getting on it, but when I am at idle the rpms will surge ever so slightly and i can watch the needle on my boost gauge bouncing up and down. i have a WINtake on the car and it started ever since i installed that. I am wondering what this could be. I've already taken the whole intake out and reinstalled thinking i had a leak somewhere. even tried swapping my maf with a known good one off the lot on a brand new R.
I read somewhere that someone had their maf in backwards. could this be the issue? I don't have any power loss that I am aware of. in fact, if its down on power now, i would have a hard time believing that it could be much faster with what i have done to it. this idle surge will get worse when i have my ac on also. someone make me realize that I am missing something stupid and simple here so i can have a normal idle again. I am half tempted to put my stock intake back on to see but i no longer have the turbo inlet plastic pipe to test it with.
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Earlier today our 2012 Tig SEL 4M stalled on me two separate times. Each time I was backing up slowly, when without warning the engine stalled. The only indicator light that illuminated was the battery light. Each time, I was able to easily restart the engine and within seconds I was back on my way. I have a VCDS set-up so I scanned the car when I got home after the second stall.
There were no engine or transmission fault codes in the system.
There were two other fault codes: one in Address 05: Acc/Start Auth and one in Address 4C: Tire Pressure II
Of those, the only one that seems connected is Address: 05 Acc/Start Auth, specifically 1057035 - Antenna for Keyless Entry System: Drivers Side N116F 13 [008] - Open Circuit. It shows as an intermittent fault. My thinking is that the KESSY system ever so briefly looses track of the key transponder (because of the antenna fault), then since the car is in gear it shuts down the engine. Since the fault is intermittent, then it quickly restarts as if nothing happened.
Where the Driver's Side Antenna is located and can its connections be easily checked? Now, pushing this thought further, what happens if this were to occur at speed?? Adding to this, my wife has reported that at times that the keyless entry is a little off, meaning that KESSY won't open the door when she grabs the handle.
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I've recently brought her back to life after a couple months of delayed loving due unforeseen reasons. And now the fuel gauge is completely under the E marking! I'm fairly smart and have looked some things up from other forums just trying to get a one on one response of that makes sense. "If were in the military you will understand" please break it down Barney style!! Not saying I'm dumb just want a good understanding
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I have a 2001 Ford Escape, and when I start it for the first time of the day, it idles really rough, and way below 500RPMs (to the point where it almost stalls). After about 10 minutes, when the car is all warmed up, it runs smoothly, as if there was nothing wrong with it. The only conclusion I can draw is that it is temperature related, but I can't figure out exactly what is causing the issue. This happens on the driest or wettest of days, so moisture doesn't seem to be an issue.
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I have a '04 Ford Mustang Convertible, V6 engine, and today on the way home it really scared me. I was stuck in traffic for an hour and a half, moving a few feet at a time, when all of the sudden, about 40 minutes into it, the RPM's dropped almost to the point of cutting off. This happened a total of 3 times until I finally got out of traffic. The last time it happened, I threw my hands up and said "I am going to see what it does." The previous 2 times I had stepped on the gas, but this time I did not, and it got to the point to almost cutting off, then caught itself and throttled back up.
Now, it was 90 degrees in Charlotte today and the AC was on. I was told this might be the issue. I have never had this happen before, but then again I don't live in Charlotte and this was something that has only happened this once in the whole year I have owned it. I thought maybe I was low on fuel, but the gage did not register as low, and no fuel light came on. I am hoping it was just the AC compressor driving the RPM's low...
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A week and a half ago, the Service Engine Soon (SES) light came on and has stayed on pretty consistently since. Shortly thereafter, the Battery light came on sporadically, but over the last couple of days, it's started staying on. Today, the car stalled while I was idling briefly. I had put the car in neutral so as to "turn down" a rattling noise, then shifted back into drive when the car stalled out. All of the dash lights came on, and I was able to restart the car and make it home 20 some miles without further incident, but it's definitely unsettling.
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My Olds 98 has been having a very annoying problem and it's only been getting worse and worse as of late..
Ever since day one my car has always stalled while idling at a red light (in drive, in park it didn't really stall), well just a couple of weeks ago, if my tank fell below 1/4 it would stall repeatedly as if it were out of gas, and it has only been getting worse from there, stalling constantly at 1/2, 3/4.. And now today I am at a full tank of gas and I stalled about 6 times on my street, it's completely embarassing and I'm really close to just driving it off of a cliff.
Occasionally I would be able to "revive" it on the highway if I pump the gas aggressively, but that just delays the inevitable for about 10 seconds. Also, the noise it makes as it's stalling (and as I'm pumping the gas pedal) is a loud chirping noise, I'm not sure if the 2 are related but sometimes my car would also jerk back for a split second driving 70mph or more, and it'd send make my (digital) speedometer go haywire.
I should also mention that I had a previous problem where my back tired exploded causing a ton of wires near the back of my car (and near the gas tank) to rip apart.
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I have a 94 EB AWD I am restoring and have recently picked up an 88 EB to restore as well. The 88 did not run. Here's a list of things done.. New head gaskets, new fuel pump, full tune up, radiator flush n fill, oil change, new transmission and rear seal, new battery, new iac valve, many new lights etc. Well here's where your expertise may come in.. the van starts and runs fine for the first minute or two, but when stopped at red lights the van wants to stall.. and while idling actually has stalled. I was going to replace the MAP sensor as I have found that sometimes causes idling issues. I assume the 88 does not have the MAF sensor to clean/replace? Any other things I could check before heading to the vaccuum lines? Also, both power mirrors are inop, the horn is inop and the gas gauge reads CO. I will check the fuses for those problems..
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I had a previous post regarding this when it started, but it seems to have now changed. Twice this morning, both while idling still in traffic, my engine stalled. Turning the key it starts right back up and runs fine. I'm hoping that it doesn't morf into stalling at speed.
Originally this happened 2-3 times a couple of months ago. It would die and then catch itself and keep running. Again, each time while idling in traffic. Once or twice it also seemed as though it was ignoring the throttle request for just a second, then took right off.
Two things come to mind, and OBTW, no codes thrown ever. What do you think about throttle position sensor or gas pedal issues! I'm wondering if it's losing track of throttle position and taking it to a low level and a stall?
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I was preparing my sons 2004 escape (3.0L) for a vacation by changing out the spark plugs. When done, I noticed that the engine lacks power during acceleration and has a very high shifting point from normal (3500 rpm). There were no DTC's set so I took it all apart again, this time changing the intake manifold gaskets both upper and lower. I put it all back together and have the same issue. I have double checked (actually quadruple checked) all of the vacuum lines and electronic connections but to no avail. The truck still has very poor power, at idle it bottoms out around 500 rpm. From a start at a stop sign, with the pedal floored it takes a city block to get up to 35 mph. Where I can look next?
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At the beginning December I put my brand new winter tires (general altimax arctics) on the factory steelies and put them on the car gearing up for the snow. Not to long after the install I notice that I was getting a very strong engine vibration starting at 3,000 rpms and it stopped around 3,100 rpms no matter what gear I was in. At first I though it maybe just the cold affecting the engine. Well...
Last week I put my summer rims and tires back on for the 1,600 mile trip to MO and back, and like magic, no more heavy vibrations. Smooth acceleration throughout the normal driving rpm range. I just changed the oil and tranny fluids Tuesday after we got back and with the warmer weather the car is running smooth as silk. Still an awesome car with awesome mileage and couldn't be happier.
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Noticed my beater Honda del Sol (177k miles) idling slowly the other day. Normal 45F day, light urban driving. Usually idle is ~800rpm (indicated), was dropping to 600rpm and even 500rpm. Holding her at 1000rpm then releasing the gas pedal yielded ~300rpm and it almost died, followed by ~500rpm. Ran fine at any other speed; it had no hesitation, no noises, and no warning lights.
So my GF said, "you're probably low on oil; my Cooper S did that once". Huh? Why would low oil, other than if it were so low that it starved the engine and caused friction, impact the idle? If anything, I'd think it would idle faster with less fluid to pump, and/or with hotter and hence thinner oil (assuming it'll run hotter if it has less oil, which it didn't appear to be).
Sure enough, I checked and it was about a quart low. I've never had a car that uses oil, plus my cars usually have oil pressure & oil level indicators (i.e. Porsche 944S2). So I've never run those lower than near the bottom of the "normal" range.
Searching "The Google" only provided unsatisfactory answers about metal-to-metal grinding and galling slowing down the engine, which is not what is happening here. There is still oil pressure, the oil light does not come on, and the engine sounds "normal". And adding oil immediately cured the slow idle.
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I recently bought this cavalier about a week ago its and 88 automatic trans with 1.8 4 cylinder I thing not that it matters much. I noticed the exhaust had a smaller pipe from the manifold and the rest was strung with a bit bigger pipe and was attempted to crimp the pipes togather it was loud so I crimped thhe pipes better and used exhaust glue to patch the holes it runs better now to a point. but when I start the car it revs up a fair im guessing 3 grand since I have no rpm gauge but then it dies down to a low idle to the point were the car shakes a little bit.
with the exhaust fixed I can get it up to 20 kilometres an hour with my foot off the gas when I turn fully it wants to lurch ahead/backwards. when I took it out for a highway drive today I came to a stop sign so I slowed and stoped and the car stalled out. started no problem. but I also tried later putting it in neutral and it doesn't stall as I role to a stop it doesn't shake in neutral. I would like to have this fixed but I need some pointers as of were to look. im not sure if this means anything but when I got the car it had a bad enough radiator fluid leak at the hose meeting the heating car on the engine side of the fire wall I repaired that and no longer leaks.
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Weeks ago, I was waiting for someone with my car idling and suddenly it just stalled. The battery power was still on but the engine died. When I restart it, it starts up but then dies after a few seconds. After trying 3-4 times it no longer starts. I had it towed to the repair shop and by the time they went to look at it, it started up just fine. A few days later I was driving (like 1 min from my house) and the car engine died, again the battery was still working. Power steering was gone. I coasted off the road and tried to start it--again it would start up and then die and then after a few tries it no longer starts. I had it brought to the repair shop. Again, it started fine for them but they changed out the battery just to see. I also had fuel cleaner put in the gas tank.
Just to be safe, I brought it to a dealer since my normal mechanic couldn't find anything. At the dealership they ran codes and didn't find any. They said that sometime the lines to the cams or crank get corroded but that mine looked fine. Since it wasn't doing it for them, they didn't have any other recommendations. Everything has been fine for the last few weeks and then I went to start my car last night. It started fine even though it's really cold and hasn't been driven in a few days. While I was scraping the car, I could hear the engine turn off. When I re-started it the same pattern happened--restarted the first few times and then died and then wouldn't even start. I don't even know what to do at this point since it only seems to happen close or at home and not for repair places.
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diagnose a problem with their 1995 Ford Windstar. The van slowly dies when idling. It runs for a few seconds after being jumped and then the dash lights slowly dim after which the van stops running. We replaced the battery and the van ran for about a day or so without issue. However, the problem is back. I suspected the alternator was faulty, so we pulled it and took it to a parts store to be bench tested. It was tested twice and passed both times. Does this sound like an alternator problem? Could there be an issue with the battery cables? What else might be causing this?
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