Turn air conditioner on transmission goes into limp mode??
1999 ranger 2 door 2,5 engine long wheel base,,auto trans.
2wd no power windows no power seats....
2001 Ranger 3.0 liter has developed a transmission casualty. I was driving along at 30 mph and the transmission went into "limp' mode with O/D light flashing and truck will only barely creep along with high engine rpm. When I got the truck home I was able to retrieve a p0720, output shaft speed sensor signal fault. I had hoped that replacing the sensor would solve this casualty.
Of course this was not the case. I have read all the posts I can find for this particular fault and realize that I must electrically trace the continuity of this circuit and also ensure that it's not grounded. I have been unable to find the needed wiring diagrams or pin out information.
Before I have to try and blindly start pawing through the connectors I'm looking for the pinout for the PCM and perhaps the bulk connector above the engine between the PCM and the transmission wiring harness. I am also keen to hear of any diagnostic tips that I may have overlooked.
I have a 2008 F350 with a 6.4 Powerstroke diesel engine that just experienced total engine failure. It has around 65K miles.
There is a heavy burn star pattern on all 8 pistons, a few pistons are cracked, a few cylinder walls are scored, glow plugs are melted, both heads are cracked with multiple stress fractures in each head.
About 1 month previously, the transmission would not work in tow mode and caused the engine to go into limp home mode. The dealership just replaced the entire tranny as a warranty item. About 1 week before the engine failure, I put in a 5.25 oz bottle of Lucas injector cleaner with a full tank of gas.
The Ford dealership is saying that the star pattern on all 8 pistons is due to high pressure fuel overspray and is evidence that I had a tuner on this engine and that the warranty is invalid. I did not have a tuner. What might have caused this engine failure?
Also, they only ripped down the top half of the motor, not the bottom half. I heard this might have been caused by a cracked crank shaft, but Ford refuses to investigate this possibility.
I have a 2003 Dodge Intrepid SE 2.7L with 170,xxx miles.... My check engine light came on and is showing the codes P0562, P1776, P0871, P0441, P0700, and P0440. While driving, the car jerks and then i only have 2nd gear. If i shut the car off and turn it back on everything runs normal again for a little while. i had my battery and alternator checked and both tested good. What could be causing these codes and why only 2nd gear (Limp Mode)?
View 1 RepliesAlrighty now. I have a 93 f250 idi Na.
Before problems started: the truck.shifted all 4 gears fine.
Problem(s) begins: Then out of the blue(after I shut it off... even if it was for 30sec, and then turn it on ) it would go into limp mode but if I shut it off and then turn it on again, it would work fine. After about 3weeks/ 600 miles it just went straight to limp mode.
What I did: After 3-4 weeks of that, I replaced the solenoid pack(uncooked both batteries and waited 10 min before I hooked them up) with a eBay special. After that, I had 1st,....., limp 3rd, then it'd slam like check into OD. To get second(which was limp), I'd have to manually drop it in 2 and and let off the pedal before I'd put it in D, to avoid it slamming straight into OD. It would toy with limp and OD from 35mph-45mph. Then it.just went straight to limp mode again.
What I couldn't do because don't know how to solve: I went to go get the codes read and the connector was missing and only one wire was leading to where the connector should've been.
What I did...again: I replaced the control module in the firewall. Then my codes cleared up. And same problem as when I put the new solenoid pack in. But no codes.
What is it still doing????: it's a go round battle between complete limp mode, limp mode and wanting to go into gear(suited to proper mph&rpm), or 1st, limp2&3, and OD.
What I tried: TC lock-up switch.,. And it worked but didn't solve my problem so I scratched that one.
I just got an Egde Evo which I installed and everything looked great. After a few runs, I noticed the ABS light coming on an soon after that my transmission goes to limp mode (the wrench lights up).
I receive the DTC error: P2106 on the Edge Evo.
I have gone back to Factory default, but it keeps coming back, ie. the ABS light lights up and the Trans goes to Forced Limited Power (according to the Evo).
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.
View 1 RepliesI 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 RepliesMy tranny is stuck in limp mode. I can manually shift it, but it won't shift on it's own. The 'automatic' part of the automatic transimission is definitely not working right.
I searched and checked for the usual suspects, low battery or alternator output (measured over 14v at batt. when on), and the range selector switch. I removed the switch, took it apart, cleaned it up, and reinstalled it. It looked like it was in decent shape inside, although it appeared to have had a bit of oil of some sort that had leaked into it. There was a bit of oil on that side of the tranny, around the gear selector and switch, but not enough to actually drip as I don't have any stains on my driveway where I always park. The only thing I haven't checked is the atf fluid level, as I can't seem to find the my wrench that will take off the fill nut. I'll get that figured out tonight.
The tranny hasn't been taken care of like it should, I've had the fluid replaced two or three times over 100k of ownership, but I'm not sure about the filter. Would the need for a filter and fluid change cause it to go into limp mode? Also, it's not throwing any CEL codes either.
33K and no problems until this morning. Wife gets 400 yards down the street, car "lurches" and goes into limp mode. Transmission won't shift out of whatever gear its stuck in (going forward) Car will back up. Only indication of any possible trouble is occasionally the very first time the transmission shifts in the morning from 1st into 2nd its a little spirited rather than silky smooth.
View 5 RepliesMy transmission control module has gone bad, resulting in the car being in"limp" mode. I am advised not to drive the car in this condition as it starts out in 3rd and the transmission will be damaged. Thus far, my local dealer has, on a preliminary basis, been advised that there are none of these parts available anywhere in the world according to the computer and VW may have to manufacture one. This does not sound possible. Meanwhile, the dealer says no rental car will be offered so I am contacting VW North America to escalate. It could be up to a month to get a new part. Meanwhile, the car is in the garage just sitting.
View 7 RepliesSo yesterday, this had happened for the third time in 3 years owning this car. Unhooking the battery for 20-30 minutes resets the computer and it is ready to go for a while with no issues. This has become annoying though. What is causing the car to enter "limp" mode and stay in third gear? One time it happened, I brought it to AutoZone and they did a scan and came up with the speed sensor. I haven't replaced it because it didn't happen for a while after that.
View 11 RepliesI'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.
I have a 1992 1500K extended cab 4WD with the 5.7L V8 engine (147,000 miles). It has been driving well since I bought it last winter. 2 days ago I took it on a longer road trip and it was doing great. Slowed down to take a 90 degree turn and the transmission suddenly hit "limp home" mode. It felt like it wasn't up-shifting out of 2nd , high RPMs while driving no more than 30mph on flat road. I have the proper amount of fluid and it is still red/pink and does not smell burnt.
Someone suggested that I check the transmission fuse but in looking through the fuse box I can't tell which is the tranny fuse. Also, I can only find one fuse box on my truck. Is there a 2nd?I feel like my next step is to take it to a transmission shop but I want to rule out whatever I can at home. I have zero experience with transmission work and don't want to get scammed into a rebuild if I don't need one. The transmission was working fine up until 2 days ago. No slipping, no hard shifting, and no noise...
2002 Santa Fe, 2.7 AWD
The transmission has started going into limp mode and causing the check engine light to come on.
The codes given are p0750 and.... I think p0751, for shift solenoids C and D. There is also the generic Transmission Control Module code.
Limp mode only occurs at higher speeds although shifting feels a little rough at times in lower speeds.
If operated in manual mode the vehicle can be driven normally at all speeds without going into limp mode.
Fluid levels are fine.
With limp mode occurring in automatic but not occurring in manual mode, is it more reasonable to believe the solenoids are malfunctioning or the control module itself? I'm inclined to replace the solenoids but find it odd that the vehicle operates normally in manual. Also, can the solenoids be replaced without removing the transmission? It looks like I could get the pan off but am unsure if there is room to get the work done once it is removed.
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 a 2002 Ford Ranger with a 3.0L engine that is having some issues with starting, here is what is happening.
Every so so often when the key is turned to start there is no movement from the starter motor. The battery is fine and all of the dash lights stay on while the engine is not starting. I have replaced the starter with a remanufactured model (possibly a mistake), and also replaced the clutch interlock switch.
I have attempted to change the ignition switch but the replacement I received did not even try to turn the starter (after many tries), like possibly it was faulty out of the box. I am currently using the OEM ignition switch as it will at least turn the starter eventually. I just worry that this problem will develop further at the wrong time.
I had a friend do an alignment on my truck yesterday. Afterward, we tried to center the wheel the best we could in the shop. But when I drove it home I noticed that when going straight, the steering wheel is ever-so-slightly turned to the right. Is there and easy way to adjust this without me going back to the guys' shop and bugging him again? I know the alignment is dead nuts, but the wheel is just a tad off.
View 4 RepliesAll my guages move (needle moves to the right) once I turn on my head lights. Indicating higher egine temp and higer oil pressure. What cause be causing this?
View 4 RepliesI have a 97 Ranger, v6 4.0L, 2wd, 5spd. It has been my daily driver since 1999. I was driving to work today and when I pulled into the parking spot, I turned the truck off, and I thought it was odd that the locks didn't pop up when I shut the truck off.
I then realized that I had completely lost all electrical power. Tried to turn the truck on and nothing. No click. No dome light, no horn, no nothing.
My battery reads 12.5 volts and the connections are all clean on the battery. I checked all the fuses and they are all good. What else should I check? This may be the first time this truck has ever stranded me before.
My daughter's boyfriend just bought a 2000 ranger with a 2.5. We just put a flexplate in it and it wouldn't start. Just turned over. Listened for the fuel pump and no noise. After a few minutes, it worked. He drove it home last night and said that it didn't want to work first try but worked with the second try. He drove it to church, 40 miles, and it sit for around two hours and wouldn't start, no matter how many tries.
We tried changing the relays around with no luck. We went and eat lunch and back to the truck with a rubber hammer. Then it starts on the second try without using the hammer. We got under it and cleaned the connections up and put some bulb grease on them. I couldn't get the one apart right on top of the pump itself, I was afraid of breaking it. It's been doing fine since we left the church before we cleaned the connections.