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Discussion Starter · #1 · (Edited)
So was driving on Sat going maybe 20mph. I feel like I lightly bumped the shifter knob with my hand. It still looked like it was in D. All of a sudden after I feel i bumped it, the rpms weren't moving and the car wasn't accelerating when I pressed the gas pedal but the engine was running smooth. Pressing the gas pedal there was no response in rpms or acceleration - it was as if the pedal wasn't working. It didn't feel like the engine was disconnected from the transmission, it just felt like the pedal stopped working altogether.

Pulled the car over (didn't turn it off), just put it in P and then moved back to D and everything has been fine ever since... What happened?


2013 Nissan Pathfinder SL
2002 BMW 325XI
 

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Discussion Starter · #2 ·
I remember this same thing happened before when many years ago I plugged in an OBDII reader and put the car in D. With the OBDII reader turned on the car wouldn't respond to pressing the gas pedal when in D (as if the computer was ignoring the fact that the gas pedal is being pressed) but would be fine in P. Maybe some safety lockout?

My BMW doesn't care if that same OBDII reader is plugged in and it is in D. It drives, reverses, etc. as normal.


2013 Nissan Pathfinder SL
2002 BMW 325XI
 

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So was driving on Sat going maybe 20mph. I feel like I lightly bumped the shifter knob with my hand. It still looked like it was in D. All of a sudden after I feel i bumped it, the rpms weren't moving and the car wasn't accelerating when I pressed the gas pedal but the engine was running smooth. Pressing the gas pedal there was no response in rpms or acceleration - it was as if the pedal wasn't working.

Pulled the car over (didn't turn it off), just put it in P and then moved back to D and everything has been fine ever since... What happened?


2013 Nissan Pathfinder SL
2002 BMW 325XI
I suspect you hit the O/D button.
 

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Discussion Starter · #6 ·
I suspect it is a safety feature in case someone bumps the shifter into something else.
But I've sometimes put the car into L1 if I was in D and never seen this problem...


2013 Nissan Pathfinder SL
2002 BMW 325XI
 

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I've had this happen a few times over the years. Kinda scary, actually. And wasn't there some sort of brake relay issue causing this type of thing?
 

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Discussion Starter · #8 ·
I've had this happen a few times over the years. Kinda scary, actually. And wasn't there some sort of brake relay issue causing this type of thing?
On my BMW the fuel pump went recently while I was doing 75mph on the highway so I definitely know what it feels like when that happens: the engine stumbles and becomes erratic and it feels like rpms can still increase when you press the gas pedal but there is no torque and the car won't accelerate as if you disconnected from the transmission. This didn't feel like that at all: the engine was smooth but the pedal didn't do anything so I was stumped...


2013 Nissan Pathfinder SL
2002 BMW 325XI
 

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Discussion Starter · #9 ·
Is the accelerator on these cars just attached to a wire that pulls or is it electronic somehow?


2013 Nissan Pathfinder SL
2002 BMW 325XI
 

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I do have the same problem with my 2015 PF. Rpm is not responding or it cut-off (back to idle) even if you press the gas pedal is not working but when you press the break pedal just a bit then it goes back to normal. It doesn't matter if your driving fast or slow or pressing your break or not. It will just happen and you will realize when you try to accelerate.

Im trying to bring it back to nissan tomorrow. Im scared to use it for long drive.
 

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Discussion Starter · #11 ·
I do have the same problem with my 2015 PF. Rpm is not responding or it cut-off (back to idle) even if you press the gas pedal is not working but when you press the break pedal just a bit then it goes back to normal. It doesn't matter if your driving fast or slow or pressing your break or not. It will just happen and you will realize when you try to accelerate.

Im trying to bring it back to nissan tomorrow. Im scared to use it for long drive.
There was break relay recall about this exact problem. I didn't think to press the brake and try to accelerate again. Have never had this happen in the 7 years I owned the car.


2013 Nissan Pathfinder SL
2002 BMW 325XI
 

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So was driving on Sat going maybe 20mph. I feel like I lightly bumped the shifter knob with my hand. It still looked like it was in D. All of a sudden after I feel i bumped it, the rpms weren't moving and the car wasn't accelerating when I pressed the gas pedal but the engine was running smooth. Pressing the gas pedal there was no response in rpms or acceleration - it was as if the pedal wasn't working. It didn't feel like the engine was disconnected from the transmission, it just felt like the pedal stopped working altogether.

Pulled the car over (didn't turn it off), just put it in P and then moved back to D and everything has been fine ever since... What happened?


2013 Nissan Pathfinder SL
2002 BMW 325XI
It's probably the pedal control switch, the part is enclosed in your accelerator pedal, it's one complete unit, and will need to be swapped out for s new one, it's s booger to remove and reinstall, good luck, if you want peace of mind have it scanned, good luck, you might be able to get one from Amazon, that where i bought mind, it's called pedal control switch, but it's part of the entire unit
 

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I replaced the throttle control sensor switch, the same day I got it, had a friend of mine with a scanner, he helped replacing it, afterwards scanned it cleared the code, running fine afterwards, no issues, originally had it scanned at an O'reilly's his scanner indicated that part, do I ordered it from Amazon they had it for $ 75.00 cheaper
 

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First find out if there are codes. Remember, just because a part name is in the code, that doesn't mean that part is bad and to replace it. That's what ends up costing money. You always want to start with data on your specific vehicle. The same symptoms can have many different causes.
 

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First find out if there are codes. Remember, just because a part name is in the code, that doesn't mean that part is bad and to replace it. That's what ends up costing money. You always want to start with data on your specific vehicle. The same symptoms can have many different causes.
That part is a one complete unit from the manufacturer, you could disassemble part of the old unit, then you'll have to assemble it to the new unit, to me it a few dollars more and know that I won't have worry if the old parts fails, it's under warranty
 

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So was driving on Sat going maybe 20mph. I feel like I lightly bumped the shifter knob with my hand. It still looked like it was in D. All of a sudden after I feel i bumped it, the rpms weren't moving and the car wasn't accelerating when I pressed the gas pedal but the engine was running smooth. Pressing the gas pedal there was no response in rpms or acceleration - it was as if the pedal wasn't working. It didn't feel like the engine was disconnected from the transmission, it just felt like the pedal stopped working altogether.

Pulled the car over (didn't turn it off), just put it in P and then moved back to D and everything has been fine ever since... What happened?


2013 Nissan Pathfinder SL
2002 BMW 325XI
It sounds like a similar problem I had. Took it to the dealer at least 5 times with no resolution. Did some research and found a problem with the brake light relay. Easy fix and part was around $20.
 

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Discussion Starter · #20 ·
Just got a notice for brake light relay recall on my car. Glad they're going to fix it but it hasn't happened since.


2013 Nissan Pathfinder SL
2002 BMW 325XI
 
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