I have been battling a big boost upon acceleration at stoplights for approximately 6 months. Now twice I have gone into limp mode and the tech reads: PO700 (Transmission) and PO731 (Gear 1). I just turned over 190,000 miles but only purchased it a year ago. What is the problem(s)?
View 1 RepliesI have a 2005 Subaru Outback 2.5 and a while back I had to replace a drive shaft. After replacing it my car goes into limp mode and I get a different random code every time. The car seems to run fine when it is cold but after it warms up it will go into limp mode randomly. If I cost to a stop and shut down the car and wait a while to restart it runs fine. I've tried and researched just about everything thing.
View 6 RepliesHave an '03 Subaru Outback Ltd. 184k miles. Great car all in all. Has been burning 3-4 qts oil between changes every 3-4k miles. Stated idling rough after warms up [intermittently], slight 'shimmy' at stoplights. Check engine light on always, flashes at times when warms up but even then doesn't flash all the time. Took it to dealer for upcoming smog check, have a bad oxygen censor and possibly bad catalytic converter, but also said low compression no.2 cylinder--which is what I'm wondering about.
Without further diagnostics they're talking about perhaps new pistons, and/or valve job and/or short block rebuild. My questions are 1-is there any more diagnostics possible to narrow it down without pulling it apart? and 2-is it worth a rebuild or should I sell? Great car otherwise, they're talking 3-5k range for repairs, blue book on the car is 4-6k rough estimate? Been a great car all in all, aside from clutch replacement this is the first major repair issue.
Having trouble with car going into limp mode or just not boosting at all. Tried some basic things to fix it, plugs, coilpacks, tune, none have work.
View 4 RepliesI have a 2004 1.8T AWM auto tranny Passat with APR chip. CIA, Bolt down Coil Packs, Bosch F6DTC plugs, OEM cat to straight pipe to magnaflow muffler, N75J, Forge DV (not the 007).
I installed a MBC bypassing the N75 to keep the spike at 16psi and hold (the n75J i spike at 22psi and hold 12~14), When I did that, the car will go in limp mode from 'over boosting'. I have to turn the MBC down to 9 to keep the car limping out. I love the way the MBC have the boost curve (the N75 is too passive for me). would like to fix this issue.
Also, with the N75 and or MBC, while in the APR 93 oct chip mode, I always get surging in 4th and 5th gear. Any time the boost is over 10psi, it is like I have tons of boost, but the engine is not using it. APR said it is the tranny, the tranny shop said it is the engine or computer, the engine shop said it is the tuning.
Was driving the other day and one of the couplers came loos and I lost boost and went into limp mode. I pulled over, got it reattached, and after that it would only hit 10 lbs. i have a KO4-001 with the GIAC file and it usually hits 20+ and holds 20 lbs. I have a regular code reader and I had a code for the EBC, cleared it, rechecked the hoses, and verified with the flash loader that I was on the correct file, but it is still only hitting 10 lbs. What else I should check.
View 1 RepliesThere ended up being 6 or 7 codes. Originally the first O2 sensor and wire seemed to go bad, I replaced them and it ran well for a couple days and then started running like ass again...Now there are a few codes, none for the 02 sensor, but for over boost issues...Does this mean my n75J valve is causing the problems? Is it possible that my software is just going bad? ...I bought the car somewhat molested and don't quite know the extent of the parts on it, nor the brands( specifically, the software...).
The current codes being thrown:
P0238 mani pres g31 sig to high
P0234 overboost
P0106mani barometric sensor g31
We replaced the manifold pressure sensor, and am not having the issues but they could and probably will come back after 50 or so miles...Previous code also was P1114 02 sensors and we replaced the front sensor. It may be that the software that is on the car is starting to go..
Preliminary info:
APR 93 tune
Carbonio Intake
Silicone TIP
I picked up my 20th today and drove it 4 hours home. It has 74k on it, original timing belt. The timing belt kit is in the mail on its way here. Its the first thing I'm doing.
As I was driving it home on the autobahn doing about 150k/hr and I gave it half throttle to pass, I felt the turbo spool and I accelerated past the car. However, when I went to make the next pass, it felt like I had no power. I feathered the throttle a bit and it felt like my car was only getting maybe 3 PSI of boost. Very little actually. I do not have a boost gauge so I can't really say it accurately. As I was driving, i shut the ignition off and turned it back on. After that, I was able to get full pressure back.
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
I have been having trouble with the shift solenoid and the trans going into limp mode. I recently replaced the shift solenoid and I now have the same problem but just when the temp outside is above 90 F or when I sit in traffic or idle for more than 3 or 4 minutes. The same code p0758 comes back up. I was thinking maybe the temp sensor?
View 2 RepliesI got this car (03 gti 20th a/e) a few months back, and days after taking ownership it started having issues. the one that's still present is related to the boost. Every time I go to accelerate and hit 15-17psi the car sputters, and sounds like a popping noise under the hood..followed by the car going to 5psi for a few seconds, and the engine light flashing (then goes to solid cel).
The car has been scanned for the cel and it had thrown a number of codes-all have been addressed..but still have the same issue!--misfire in #3. I have had a local shop that only works with vw's & audis do all the repairs. we have replaced the coil pack, the spark plugs, and the N249 boost valve. The car is still showing a misfire in #3. What could be the issue? Maybe its the tune?
I have a 2005 Subaru Outback, 3.0 H6, LL Bean, 5 speed auto. 150,000 miles. No engine codes.
I bought it took two years privately. I didn't notice during the test drive, but it has a shake/shudder at 18-20mph and at 55-60mph. Only at those speeds and only during acceleration. During light acceleration it isn't noticeable, but hard acceleration particularly on a hill at 55-60 the car can shake quite violently. Probably 50% of the time the 18-20mph shudder doesn't occur. It feels like the whole of the front of the car is shaking from side to side.
It doesn't matter what gear it's in - auto/auto sport/manual 1st, 2nd, 3rd, 4th, or 5th. So it's not engine rpm related. I've had the transmission fluid flushed. I've had two sets of tires. I've had the prop shaft replaced. It still does it, and it hasn't got better or worse. It happens both during straight line and turns.
The engine runs smooth and the gear shifts are crisp and smooth. Our local dealer doesn't know what it is (they suggested prop shaft) and our highly recommended local transmission shop doesn't know what it is. All CV joints have been checked.
I think the big clue here is that it is very vehicle speed dependent; 18-20 and 55-60mph.Could it be something to do with the transfer clutches? Does this transmission have an electronic control computer that needs an update? (This is a first year model). Is there vehicle speed sensor used by the transmission that could be bad but that wouldn't trigger an engine code? Unfortunately I can't disable the rear wheel drive like on the 4 speed transmissions, there is no fuse to do that.
My wife started up my 2005 GX470 this morning to go to work and drove maybe a half mile before she noticed a problem. So she turned around and drove it back home in limp mode. She put it in park and got out.
Most of the Warning Lights are on ( VSC OFF, VSC TRAC, Anti Skid, Check Engine etc). I tried moving the shift lever but there was some resistance and some grinding noises. And it now seems to be stuck in neutral.
How to diagnose this myself? We only drive this vehicle in the winter, and it was fine the last time we used it.
I have a 2005 Prius. After driving home from a 95K routine maintenance inspection, the car (with the display indicating 50% in the gas tank) went to limp mode and then stopped entirely and had to be towed back to the dealer. The codes pulled were
P0A0F (Engine failed to start)
P3000 (Battery control system)
B2799 (Immobilizer Malfunction)
P3190 (Poor engine power).
The techs concluded that the car was simply out of gas and the display incorrectly showed I still had gas in the tank due to a broken sender in the tank. They also said they added 1 1/2 gallons, and the car ran fine again.
However, I keep meticulous records of when I get gas, and according to my numbers I had at least 5 gallons left in the tank. Sure enough, the tech topped the tank up, which only took 4 gallons, so clearly my tank was not empty when this happened.
I have a 2005 2.7L Santa Fe that was shifting poorly and getting stuck in limp mode intermittently. I read up on it and found that it was probably an issue with the input/output speed sensors. The codes confirmed my suspicions and I replaced both the input and output sensors. The codes cleared and the tranny shifted like a dream. Unfortunately after 2 days and 100+ miles the car suddenly started down shifting randomly on my way home from work. The CEL came back on and the car went into limp mode. Could the sensor have gone bad again? Or could it be the wiring harness that plugs into one of the sensors? I don't understand why the car would be fine for a few days and then all of a sudden be acting the same way.
View 6 RepliesI have an 02 Subaru Impreza Outback Sport with 130k miles. It makes a whining noise from the center to rear of the car that gets louder with Acceleration. The second you take your foot off the gas it gets quieter. The noise never completely disappears though. It also doesn't change if I am turning or driving straight.
View 2 RepliesNissan XTerra 2005 transmission RE5R05A. Trouble code is p1757 When I go from park to drive it goes out of gear and puts my car in limp mode. I took it to the dealer and they told me that I have to replace a transmission another place told that it could be brake solenoid or oil filter. In third place they told me it could be the TCM problems.
View 7 RepliesMy OBXT is running way too hot when heading up hill. Recently have had the caps and cooling system pressure tested and all passed. I had the head gasket replaced, water pump, timing belt, pulleys, etc. The engine was also pressure tested and passed.The Subaru techs and I are at a loss.
View 8 RepliesRiding on the highway to the summit of Vail Pass, car loses power, check engine light goes on, by the time I maneuver it past huge trucks to right shoulder, BAM!!!! White steam radiator fluid explosion dead car....mechanic says "small block" (I think) broken, need new engine. Towing it back to my guys who sold me the car about 2 months ago with reconditioned engine & brand new head gaskets.
View 19 RepliesMy wife has a 2005 Subaru Outback XT w/auto trans, about 135k miles. We live in SoCal.The car runs great...well, most of the time. During the summer, or when driving up steep mountains with the AC running, the needle will climb steadily north towards overheating. Call me timid, but I've never been curious enough to find out what happens if I let the needle get into the red.To let the needle drop, I have to turn the AC off. This isn't the best option now since we've been experiencing over a week of temperatures higher than 103.I also noticed that the temp needle will drop to normal within a couple of minutes if I turn on the heater.
I did open the bonnet when we returned from a trip and with the car running, checked to make sure both fans were running.
05 outback xt ... I bought this car last October and don't know the history of what has been replaced and what is oem. That being said I have had a horrible smell (imagine a skunk eating rotten eggs) when I back the car up. I also have a problem with my car hesitating when i accelerate but it goes away once the car is warm. The check engine light has never come on when driving but I know it works.
View 6 Replies