For those wondering
P2714 and sluggish up hill
Hi all,
2010 Trail Teams, AT, 188K miles
For at least the last few months, occassionally and without a pattern I can recognize, my FJ will lose power going up hills. No matter how much gas I give it, it goes really really slow.
The other night I got the check engine light on, and the code is P2714.
I've looked at other posts with this code but have not seen the same symptoms mentioned.
Any advice?
Also hoping/wondering how easy a repair it might be.
Thanks.
2010 Trail Teams, AT, 188K miles
For at least the last few months, occassionally and without a pattern I can recognize, my FJ will lose power going up hills. No matter how much gas I give it, it goes really really slow.
The other night I got the check engine light on, and the code is P2714.
I've looked at other posts with this code but have not seen the same symptoms mentioned.
Any advice?
Also hoping/wondering how easy a repair it might be.
Thanks.
1 - 13 of 13 Posts
Need a LOT more information ... not exactly clear what the symptoms are.
1. When you say it is "losing power going up hills", do you mean the transmission is not automatically downshifting to keep the engine RPM high enough to make the power required to deal with the increasing load?
2. Or do you mean that the transmission repeatedly downshifts through the gears, increasing engine RPM to try to keep the engine in its power band (3,500 RPM or higher), but even at this RPM the engine just doesn't generate any useful power, and you can't accelerate?
3. Or is the engine screaming at 4,000 - 5,000 RPM, but the transmission is 'slipping' and only very little power is making it to the rear wheels?
4. When was the transmission fluid last serviced, and how many times in the vehicle's 188K miles has transmission service been performed?
1. When you say it is "losing power going up hills", do you mean the transmission is not automatically downshifting to keep the engine RPM high enough to make the power required to deal with the increasing load?
2. Or do you mean that the transmission repeatedly downshifts through the gears, increasing engine RPM to try to keep the engine in its power band (3,500 RPM or higher), but even at this RPM the engine just doesn't generate any useful power, and you can't accelerate?
3. Or is the engine screaming at 4,000 - 5,000 RPM, but the transmission is 'slipping' and only very little power is making it to the rear wheels?
4. When was the transmission fluid last serviced, and how many times in the vehicle's 188K miles has transmission service been performed?
#1 above. Transmission is not automatically downshifting to keep the engine RPM high enough to make power to go up the hill.Need a LOT more information ... not exactly clear what the symptoms are.
1. When you say it is "losing power going up hills", do you mean the transmission is not automatically downshifting to keep the engine RPM high enough to make the power required to deal with the increasing load?
2. Or do you mean that the transmission repeatedly downshifts through the gears, increasing engine RPM to try to keep the engine in its power band (3,500 RPM or higher), but even at this RPM the engine just doesn't generate any useful power, and you can't accelerate?
3. Or is the engine screaming at 4,000 - 5,000 RPM, but the transmission is 'slipping' and only very little power is making it to the rear wheels?
4. When was the transmission fluid last serviced, and how many times in the vehicle's 188K miles has transmission service been performed?
Transmission fluid exchanged @ 134K 4 years ago.
Further service info (all work done by Toyota Dealer):Need a LOT more information ... not exactly clear what the symptoms are.
1. When you say it is "losing power going up hills", do you mean the transmission is not automatically downshifting to keep the engine RPM high enough to make the power required to deal with the increasing load?
2. Or do you mean that the transmission repeatedly downshifts through the gears, increasing engine RPM to try to keep the engine in its power band (3,500 RPM or higher), but even at this RPM the engine just doesn't generate any useful power, and you can't accelerate?
3. Or is the engine screaming at 4,000 - 5,000 RPM, but the transmission is 'slipping' and only very little power is making it to the rear wheels?
4. When was the transmission fluid last serviced, and how many times in the vehicle's 188K miles has transmission service been performed?
169k on 6/21 Fluids check and filled
134k on 04/19 Trans fluid exchanged
96k on 05/17 Fluids checked and filled
57k on 07/15 Fluids checked and filled
OK, so the engine is not "losing power' (like a fuel starvation problem), the transmission is not automatically downshifting under increasing load.
Starting with the most basic requirements, verify transmission fluid level at the overflow check port with vehicle level, engine running, and transmission at operating temperature.
Starting with the most basic requirements, verify transmission fluid level at the overflow check port with vehicle level, engine running, and transmission at operating temperature.
Thanks, I'm new to this, so...doing the above, how can I verify the fluid level? If nothing comes out the overflow port, how do I know if I'm OK or not?OK, so the engine is not "losing power' (like a fuel starvation problem), the transmission is not automatically downshifting under increasing load.
Starting with the most basic requirements, verify transmission fluid level at the overflow check port with vehicle level, engine running, and transmission at operating temperature.
Put your FJ on level ground with the engine idling and the parking brake firmly engaged since you'll be crawling underneath your FJ with a running engine. The small round plug with the metric internal allen fitting sitting in the bottom of the trans pan is the level check port. The larger external hex plug on the bottom is the drain plug.The transmission should ideally be at a temperature between 115 and 130 F. A handheld infrared thermometer works to verify the temp if you own one. Remove the small level check plug in the bottom of the pan and see if any fluid comes out. If not, you'll need to add the correct ATF fluid until it starts to drip back out.
Someone had a suggestion on another forum board. He bought tubing that was thin enough to insert up through the level check port itself and injected extra fluid that way with a large syringe. Otherwise, you'll have to remove the actual fill plug high up on the passenger side of the trans to pump in more fluid. If properly filled, it should just drip out of the level check port when its at the proper level. Since it's such a hassle to fill while things are hot under there, you could just pre-add about 1/2 quart of ATF through the normal fill port, reinstall the plug, then let the extra drain out through the level check port during the above level check procedure.
Someone had a suggestion on another forum board. He bought tubing that was thin enough to insert up through the level check port itself and injected extra fluid that way with a large syringe. Otherwise, you'll have to remove the actual fill plug high up on the passenger side of the trans to pump in more fluid. If properly filled, it should just drip out of the level check port when its at the proper level. Since it's such a hassle to fill while things are hot under there, you could just pre-add about 1/2 quart of ATF through the normal fill port, reinstall the plug, then let the extra drain out through the level check port during the above level check procedure.
Thanks, Kaiju, that makes sense.Put your FJ on level ground with the engine idling and the parking brake firmly engaged since you'll be crawling underneath your FJ with a running engine. The small round plug with the metric internal allen fitting sitting in the bottom of the trans pan is the level check port. The larger external hex plug on the bottom is the drain plug.The transmission should ideally be at a temperature between 115 and 130 F. A handheld infrared thermometer works to verify the temp if you own one. Remove the small level check plug in the bottom of the pan and see if any fluid comes out. If not, you'll need to add the correct ATF fluid until it starts to drip back out.
Someone had a suggestion on another forum board. He bought tubing that was thin enough to insert up through the level check port itself and injected extra fluid that way with a large syringe. Otherwise, you'll have to remove the actual fill plug high up on the passenger side of the trans to pump in more fluid. If properly filled, it should just drip out of the level check port when its at the proper level. Since it's such a hassle to fill while things are hot under there, you could just pre-add about 1/2 quart of ATF through the normal fill port, reinstall the plug, then let the extra drain out through the level check port during the above level check procedure.
Question: @FJtest , assuming the level is OK, what are the next things I should be looking for?
When the vehicle is experiencing the problem where it doesn't 'automatically' downshift, can the transmission be manually downshifted from D to 4th and 3rd gears using the shift lever? (e.g. does the transmission respond to commands from the shift lever?)
It does, but I don't really notice any change until I get into 1st. So, it may already be in a lower gear, but is not getting into 1st?When the vehicle is experiencing the problem where it doesn't 'automatically' downshift, can the transmission be manually downshifted from D to 4th and 3rd gears using the shift lever? (e.g. does the transmission respond to commands from the shift lever?)
I don't know if that is a thing.
OK, let's try that again, trying to answer clearly and concisely.
During the period of time when the transmission does not seem to be automatically downshifting in response to an increasing load (climbing a hill), can the transmission be manually shifted from D to 4th and then 3rd gear using the shift lever? I'm not talking only about the position of the shift lever in the shift gate, I'm asking if the transmission instantly shifts gears as you move the shift lever.
You can easily tell exactly when these shifts have occurred by feeling for the vehicle's response to the shift and watching the tachometer.
So, when moving the shift lever from D to 4th, do you 'feel' the shift, and does the tachometer indicate an instant increase in engine speed?
When moving the shift lever from 4th to 3rd, do you 'feel' the shift, and does the tachometer indicate an instant increase in engine speed?
When you experience the sluggish engine response when climbing a hill, what is your typical speed as you approach the hill? In almost all cases, unless you're under 40MPH, the transmission will be in 5th gear, and will only need to downshift to 4th or possibly 3rd gear to maintain speed. The transmission would almost never need to downshift to 2nd or 1st unless the "hill' was exceptionally steep, and you were only crawling along at 5 MPH.
During the period of time when the transmission does not seem to be automatically downshifting in response to an increasing load (climbing a hill), can the transmission be manually shifted from D to 4th and then 3rd gear using the shift lever? I'm not talking only about the position of the shift lever in the shift gate, I'm asking if the transmission instantly shifts gears as you move the shift lever.
You can easily tell exactly when these shifts have occurred by feeling for the vehicle's response to the shift and watching the tachometer.
So, when moving the shift lever from D to 4th, do you 'feel' the shift, and does the tachometer indicate an instant increase in engine speed?
When moving the shift lever from 4th to 3rd, do you 'feel' the shift, and does the tachometer indicate an instant increase in engine speed?
When you experience the sluggish engine response when climbing a hill, what is your typical speed as you approach the hill? In almost all cases, unless you're under 40MPH, the transmission will be in 5th gear, and will only need to downshift to 4th or possibly 3rd gear to maintain speed. The transmission would almost never need to downshift to 2nd or 1st unless the "hill' was exceptionally steep, and you were only crawling along at 5 MPH.
I appreciate your patience.
I do NOT feel any shift when I shift from D to 4, or from 4th to 3rd. Or 3rd to 2nd. The only time I feel any shift is going from 2nd to 1st. I wasn't watching the tach, but there was no difference in feel.
There is a stop sign at the bottom of the hill, so I start the ascent from a full stop.
When the FJ is not having problems, it certainly never downshifted to 1st and went up the hill reasonably well. The only reason I ever downshifted that much when having the problem was to try to get some momentum, as I was crawling along and the accelerator made no difference.
I do NOT feel any shift when I shift from D to 4, or from 4th to 3rd. Or 3rd to 2nd. The only time I feel any shift is going from 2nd to 1st. I wasn't watching the tach, but there was no difference in feel.
There is a stop sign at the bottom of the hill, so I start the ascent from a full stop.
When the FJ is not having problems, it certainly never downshifted to 1st and went up the hill reasonably well. The only reason I ever downshifted that much when having the problem was to try to get some momentum, as I was crawling along and the accelerator made no difference.
1 - 13 of 13 Posts
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