Golf IV / Jetta IV :: 2002 - Flickering Warning Lights And Limp Mode?
Jan 31, 2015
I have an automatic (ugh) 2002 Jetta 1.8T that is displaying some fun stuff. My kneejerk reaction is that the ECU is croaking but wanted to run it by some people with more experience/smarts.
Here's the deal. I don't get any codes, ever. Sometimes, when I turn the ignition to on (Before starting) all of my warning lights are dim and will flicker, and the gear indicator at the bottom of the cluster rapidly switches between each gear. If I start the car like this, I can hear the shift lock randomly engaging and disengaging. If I actually try to drive, it'll shift hard into reverse, shift normally into drive, and then drive in limp mode. I only drove this way three times before figuring out the next bit. Each time, either the traction control or air bag warning lights came on and stayed on.
I've noticed that if I turn the ignition to "on" and it's acting up, all I have to do is leave it on for a few seconds, turn the ignition back off, and turn it back on; sometimes it'll take 2-3 tries but it always seems to work. Then the warning lights come on bright and steady, the car starts like normal, and drives great.
So, is it the ECU? Is it demons?
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I have a 02 Jetta TDI, I have had the car
For about 8mo, and have been fighting a random limp mode problem the whole time.
I have gone thru and changed the common issues, N75, MAF, actuator on the turbo, and changed all the vacuum lines, fuel filter..... Etc. I'm to the point I want to light the car on fire, and see if the engine light goes off!!! Is there something that I have overlooked.
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I have a Mk4 1.8t , I left a light on and near killed the battery one night , was parked on a hill so I let it roll start.( I know this is where I went wrong so lets get past it....) It started in what sounds like some type of limp mode, dim dash lights and about 300-400rpm. cruised at about 10mph for say a 1/4 mile before the engine returned to normal rpm and lights returned to proper brightness.. now the car has a problem I cant seem to put my finger on. When it gets to about 3000rpms it bucks and begins to throw multi misfire codes making it hard to even get to 30mph.
It reminds me of how it felt when all the coils started failing but I know it cant be that because its all new , (plugs ,coils,) I have also replaced a few other easy parts such as the n75 and the diversion valve next to it, as well as the fuel pump and filter. One thing I noticed when I leave my n75 unplugged (wide open) it seems to run better making it easier to drive but if I go anywhere past 1/4 throttle it bucks and struggles. I've used the Autel to scan it for other codes but the only thing I get is random multi mis codes and mis codes for each individual cylinder.
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I have a 2002 vw golf and its epc light keeps coming on and every time I reach 4000 rpm it goes into limp mode, what is the problem.
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We have a 2006 Passat, 30K miles, live in northeast on a Great Lake. We bought it used in 5/07 with 11K miles on it. The other day, a whole mess of warning lights came on, and the car went into "limp mode." The dealership diagnosed corroded wires where they connect to the throttle valve controller. We usually keep our cars for years, and we've never had corroded wires before. Is this a typical problem of VW's? The service mgr said he'd seen about 6 come in in the last year, but I don't know if that's a lot or a few compared to other brands. We're getting ready to shop for cars again, and we'd consider a new Jetta, but not if it can't go out in the rain. Also, if the wires corroded once, what will keep them from corroding again? Should we expect this to keep happening?
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My Jetta mkiv transmission went into limp mode recently. Took it into shop. They checked it out and they replaced solenoids as well as the TCU. Car still goes into limp mode. It doesn't happen all the time but enough to piss me off. Any thoughts?? Car only has 140000 miles.
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03 manual goes into limp mode with ac on like turbo has no power and wont go past 65. No engine light comes on though. Does engine light have to come on to go into limp mode??
I don't have Vag Com. But i'm familiar with diesels. Maybe something is losing vacuum when a/c comes on because i know the ducts and all that work off vacuum in most cars. Does the ducts for TDi work off vacuum also??? Maybe not enough vacuum going to VNT activator?? I'm clueless with these cars.
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New to the jetta (used to own Saabs so not new to issues) OK, 2003 jetta 2.0 CEL is on for the CAM Post sensor. Car is in limp mode. has been for a while before I touched the car. I have replaced the Cam post sensor, I replaced the Crank Post sensor, replaced the coil pack, replaced the water pump and the timing belt. I have searched a lot of the other threads before posting this one. Triple checked the timing (3 people did not just me) I replace all the other stuff because I had codes the water pump and the timing belt just because they were due. i had one last code P0343 so when i replaced the WP and the TB i replaced the sensor. Still in limp mode, still have the code i pulled the plug on the Cam post sensor. then i said to my self this car should NOT start. but it did start and i drove it around a little, shut it down and car started up again so I am at a complete loss.
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I currently own a 2001 Jetta 1.8t. It is currently tuned for 15 psi supposedly. I have never seen that number been hit and the highest it will go(only in 4th and 5th gear) is 13-14psi on a good day. And even when it does get there it does not hold the boost what so ever. It will start losing boost almost as soon as it reaches those numbers. Another thing is my MAF is currently unplugged and is making my car throw a code. When MAF is plugged in it cuts out boost and goes into "limp" mode.
Here are some engine mods that may be apart of this issue:
- Front mount intercooler, full intercooler pipe kit
- Oem diverter valve
- N75 j valve
- ACHTUNING tune on 15 psi not sure which stage
- Forged turbo inlet pipe
- 032 motorsports crankcase breather hose conversion
- Ecs tuning
- 2.0t coilpacks and mounting plate
- AWP head
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2001 Jetta 1.8T wolfsburg
When I start my car the ASR light is already on and I cannot turn it off by hitting the button. It's just permanently on. Then as I start to drive and step on the throttle and get above 3000rpm the ECP light turns on and my car goes into "limp mode". Then in idle the engine stutters and RPMs go up and down, up and down. I'll turn off the car and the ECP light disappears but comes right back on again after getting above 3000rpm.
Thing is, these issues only appeared immediately after the following:
-Disconnected and reconnected CCM (checking for faulty wiring, battery was connected during this)
-Disconnected battery terminals for 3 minutes and reconnected them (no key in ignition)
Did I cause an issue by disconnecting battery?
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I have a 03 GLI 24V VR6 6 speed and im having an issue with the brake light.. ive checked all the fuses and emergency brake sensor and they are all good, the issue is the brake light flashes 3 times then will stay on almost immediately and whenever it does the entire drive of the car changes.. without the light on the car runs fine but when it comes on its like the car goes to a limp mode and is leaning out on fuel.. it wont rev past 4k it falls on its face and basically jerks along until I get where I am going.. I've replaced ABS speed sensors, MAF, and front brakes and axles recently.. before this was an random issue that would come and go but now its almost every time and it makes it undriveable..
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I have 1 month left on my AAMCO rebuilt transmission. I took it in a few weeks ago when it went into "limp mode" (Stuck in 1st gear). Eventually, they got an error code of P0730, which I believe is electrical-related. All was pretty good but then today, driving @ high speed on the interstate, I could not get into 4th gear...
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I've had the car for almost 5k miles, no issues. Only performance part on the car is a USP 3" catless down pipe with an O2 spacer. Car performed fine with it. Today I got an APR stage 1 93 octane tune. A few hours into the tune on my way home from work, I went to change lanes and the car hit some type of a wall with the RPMs. At around 3200 RPMs, the car felt like it went into limp mode. Did not let me pass 3200 RPMs. I got off the highway and had to keep the RPMs up because the car died at lights. Pulled into my driveway, plugged in my VCDS and there are absolutely no codes coming up. Nothing. But starting the car the car cranks and I have to give it gas for it I barely start.
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I have an 03 Golf VR6 and only has 76k on it. Ive only had it a week but I have come to notice a couple peculiarities. So first off at night regardless of speed or RPMs, ALL OF MY LIGHTS have a slight flicker. Its not a huge difference, but its definitely noticeable. Engine runs fine. No battery light. Additionally, twice when I go to start it in the morning, after starting the alternator workshop light will kick on. after giving it a tiny bit of gas it goes away and doesn't come back. Everything else seems fine. no check engine lights, no trip meter resetting, and the flickering seems to be sporadically. Tonight I tested the battery and alternator and both tested good. My only thought is that it might be a loose ground. Tomorrow I plan on taking a look at the ground under the battery. I've tried searching the threads here, but Im having trouble finding any relevant info. Also, is the voltage regulator inside the alternator, a separate piece, or in the ecm?
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My wife and I are driving our 2005 Prius with 130k miles and have experienced some weirdness with the car while driving. We've got the master warning light (red triangle w/ !), and another yellow (!) warning light, plus the center display shows a red car with an !. I've gathered that it means something possibly with the brake controller, so when I parked I put the e-brake on.
The car was driving fine with these lights on (we were in the middle of Canadian highways and couldn't stop anywhere) except that cruise control would not work.
Eventually, it actually went into limp mode, where we would floor the pedal and the car would barely accelerate. Pulled over, turned it off for a few minutes, then back on and it drove fine, warning lights still on.
I just replaced the driver's front wheel hub, and I can hear the passenger front going bad, so I'm suspicious that this may be related. Just replaced the 12v within the last few months with an Optima.
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Twice now, my 2006 VW Jetta has gone into "limp mode"--RPMs rev like mad but I get very little power, won't go into overdrive. Had to get it home both times by using the Tiptronic. The first time it happened, we were driving through The Poconos on a nice day. Shut the car off & restarted it with no problem. The 2nd time was during an intensely hot day & torrential rainstorm in MD. The car sat for 2 days before going back to normal. Is this normal behavior for a VW? And what makes it go into limp mode? I can understand it happening during the rainstorm but on a nice day of normal driving?
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I have a 2002 Lincoln LS 3.9L. Intermittently the temp. gauge will go up near hot, the fan will come on and gauge will drop back to normal. Car will go into limp mode when this happens. Fan and thermostat were replaced several months ago to eliminate this problem but it is back. Mechanic had trouble getting air out of the cooling system at the time.
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I'm a little bit stuck here. This happened last night, and the dealer is closed today. I have a 2008 Santa Fe SE. It stalled last night, and when I turned it back on, I got a check engine light, the ESC light, and the AWD transmission light blinking. When I go to accelerate, it will not go passed 2000 RPM, and it is driving very sluggish. Its not knocking, or making any other kind of sounds. The air conditioning does not work, but the fan blows uncooled air. It accelerates extremely slowly, even with the petal mashed.
I plan on taking it in tomorrow, but I'd like to know if there is some way to reset the computer. I tried disconnecting the battery for about 30 minutes, but it didn't work.
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So I was driving kinda hard yesterday on the highway, and it was about 80 degrees outside. At some point in the drive, I got no boost from the turbo at all (my gauge also was showing no boost). I pulled over, stopped the car, and restarted it, and the car was back to normal. Is this something I should be worried about? I am running 93 program APR Stage 1+ with VWR intake and HPFP.
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So on cold mornings my r has been kicking on the epc light and gone to limp mode. The only codes are for the coolant temp sensor and an intermittent accelerator position sensor. Would the temp sensor really cause this? After awhile I can start it up and it runs fine.
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So the other day as I was trying to accelerate my car had absolutely no power at all. it almost seemed like it went into a limp mode or something of the sort. No matter what gear or how much gas i gave it, it barely chugged along at more than an idle. I pulled over turned it off, then waited a few seconds and turned it back on, same deal. Once more, I turned it off and back on and finally, it seemed to be ok. It flashed a warning light but it cleared after I turned off the car.
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