Stuck throttle
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191 Posts
omg!!!!! that is scary, I havent had that happen yet, I dont like the drive by wire they use... glad nothing happened to you or anyone else...
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15,667 Posts
Get to a dealer ASAP! get that checked! I don't see any TSBs here on it. And
Welcome to the forum! stop on over to the newbie check in and say hi Newbie Check in
Welcome to the forum! stop on over to the newbie check in and say hi Newbie Check in
Happened several times on my ride. I have a manual trany so I just put in the clutch. It got stuck at 3000 RPM. Took it straight to the dealer and they worked their magic on it. First they cleaned all the parts then retrained the throttle response. Been good since.
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2,243 Posts
OK.. with all the media attention focusing on Toyota accelerator sticking/failing I thought we'd revisit this thread once again ... Let's have your comments both negative or positive regarding our Nitro's drive by wire . Personally I think it SUCKS .I have not had any poblems with it's function. But in the way of feel at low speed, in close areas such as small parking lots or trying to squeeze into a tight parking slot,it leaves a lot to be desired.. Putting it in simple language .If there were a conversion available to bring it into the old world of mechanical function ,I would had installed it on day one . I have instructed my wife with a what to do when your Nitro goes Toyota on you. Let's hope she never experiences it.
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1,306 Posts
Throttle Response
I really don't like the slow response when trying to back out of a parking space at a shopping center while watching out for people/cars/carts. I can't always tell when it is going to get going. I also don't like the delay when starting from a stopped position at stop lights. In the sand, where you don't want to just tromp down on the pedal it is difficult to give it just the right throttle to get going smoothly. I have seriously thought about getting a SprintBooster but it is pretty expensive. I've only had my Nitro for 7 weeks so we'll see if I can get used to the delay going forward.
I really don't like the slow response when trying to back out of a parking space at a shopping center while watching out for people/cars/carts. I can't always tell when it is going to get going. I also don't like the delay when starting from a stopped position at stop lights. In the sand, where you don't want to just tromp down on the pedal it is difficult to give it just the right throttle to get going smoothly. I have seriously thought about getting a SprintBooster but it is pretty expensive. I've only had my Nitro for 7 weeks so we'll see if I can get used to the delay going forward.
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604 Posts
throtle response
I agree with most of the coments on this. My 2007 was not good when I would put the truck into reverse it felt like I was stuck in supper glue. Yes I agree with the tight spot you had to give it a lot of gas and really cut the wheel to get into the spot.
Now with my 2010 it seems like chrysler corrected this problem in reverse the truck actually rolls back. The response is much better. Tonight I was out with a frend I droped him off and had to make a 3 point u turn. It was a lot of work. Especially in drive not so bad in reverse but drive and slow moving it was really hard. I guess it is just a matter of time to I get used to it like I did in the 2007. Oh and by the way chrysler made a lot of changes with the 2010 it handles much better and accelerates much quicker the shifts are quick and smoth.
Just my 2 cents worth
Andy
I agree with most of the coments on this. My 2007 was not good when I would put the truck into reverse it felt like I was stuck in supper glue. Yes I agree with the tight spot you had to give it a lot of gas and really cut the wheel to get into the spot.
Now with my 2010 it seems like chrysler corrected this problem in reverse the truck actually rolls back. The response is much better. Tonight I was out with a frend I droped him off and had to make a 3 point u turn. It was a lot of work. Especially in drive not so bad in reverse but drive and slow moving it was really hard. I guess it is just a matter of time to I get used to it like I did in the 2007. Oh and by the way chrysler made a lot of changes with the 2010 it handles much better and accelerates much quicker the shifts are quick and smoth.
Just my 2 cents worth
Andy
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752 Posts
I don't like the drive by wire. This is my first vehicle with this system. And it is something to get used to. My 2007 Nitro vs. my friends 2007 Liberty. With the Liberty I felt I was more in control of the engine. And when you stepped on it, it went. Not like in the Nitro. Where it seems to think about it first. And then act. But in the case of the stuck gas petal. Throw it in neutral and stop and kill the motor. This happened to me once. Not with the Nitro but with my Pontiac Fiero.
Mine has been fine since the dealer worked their magic on it.
You can try to retrain the response of your throttle, by turning the ignition to the "on" position (do not start it),wait for the dash lights to go out then slowly press the pedal down and then slowly back to the top, turn the key off, this should alter the throttle response settings, it seems to have worked for me. Some will say it doesn't work. OK, take your rig to the dealer. They can reset it for you using a starscan tool...
I too would love to see a real cable connected to the throttle.
You can try to retrain the response of your throttle, by turning the ignition to the "on" position (do not start it),wait for the dash lights to go out then slowly press the pedal down and then slowly back to the top, turn the key off, this should alter the throttle response settings, it seems to have worked for me. Some will say it doesn't work. OK, take your rig to the dealer. They can reset it for you using a starscan tool...
I too would love to see a real cable connected to the throttle.
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628 Posts
I could see this coming years ago. DBW has its glitches... A test pilot crashed an Airbus plane because of similar glitches! 
When I first got my (manual shift) Nitro, I was goofing around and revved the throttle ~3 times, each time pressing a little further, just to hear the new Magnaflow. On the ~3rd time the revs continued to climb (or at least stay high) AFTER my foot was off the throttle! It was climbing or holding @4000rpm all on its own... Luckily, I had the clutch out, but it was still unnerving. I somehow sensed what was happening (in my driveway) and simply turned the key off --B4 it started bouncing the needle off the limiter! And NO, a floormat wasn't involved. On restart, it was fine... :SHOCKED:
Gee, I can't wait for SBW Steer-By-Wire. ZERO mechanical linkage to the tires. Like that?! :thk:
And it is coming our way... So, as an Engineer, how would YOU design the failsafe or default for a spurious input signal?
When I first got my (manual shift) Nitro, I was goofing around and revved the throttle ~3 times, each time pressing a little further, just to hear the new Magnaflow. On the ~3rd time the revs continued to climb (or at least stay high) AFTER my foot was off the throttle! It was climbing or holding @4000rpm all on its own... Luckily, I had the clutch out, but it was still unnerving. I somehow sensed what was happening (in my driveway) and simply turned the key off --B4 it started bouncing the needle off the limiter! And NO, a floormat wasn't involved. On restart, it was fine... :SHOCKED:
Gee, I can't wait for SBW Steer-By-Wire. ZERO mechanical linkage to the tires. Like that?! :thk:
And it is coming our way... So, as an Engineer, how would YOU design the failsafe or default for a spurious input signal?
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2,977 Posts
The Corvette started using "drive by wire" in 1997 and, as far as I know, there has never been any problem ever reported. My '98 has been exemplary, extremely responsive and accurate. I suppose engineering is key. The Vette cost three times what the Nitro did.
I don't even want to think about "steer by wire" but you are probably right, it is probably coming to a store near you, soon! :chuckle:
I don't even want to think about "steer by wire" but you are probably right, it is probably coming to a store near you, soon! :chuckle:
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628 Posts
Steer by wire
Scary stuff:
http://www2.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/01-24-2002/0001654926&EDATE=
Wiki:
Steer-by-wire :velo:
The aim of steer-by-wire technology is to completely do away with as many mechanical components (steering shaft, column, gear reduction mechanism, etc.) as possible. Completely replacing conventional steering system with steer-by-wire holds several advantages, such as:
Scary stuff:
http://www2.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/01-24-2002/0001654926&EDATE=
Wiki:
Steer-by-wire :velo:
The aim of steer-by-wire technology is to completely do away with as many mechanical components (steering shaft, column, gear reduction mechanism, etc.) as possible. Completely replacing conventional steering system with steer-by-wire holds several advantages, such as:
- The absence of steering column simplifies the car interior design.
- The absence of steering shaft, column and gear reduction mechanism allows much better space utilization in the engine compartment.
- The steering mechanism can be designed and installed as a modular unit.
- Without mechanical connection between the steering wheel and the road wheel, it is less likely that the impact of a frontal crash will force the steering wheel to intrude into the driver's survival space.
- Steering system characteristics can easily and infinitely be adjusted to optimize the steering response and feel.
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425 Posts
The electronic "drive-by-wire" throttle in my old Nissan Murano (2003) worked flawlessly. The programming of it in the Nitro leaves a lot to be desired (poorly engineered). Off the top of my head it could use:
Lowered sensitivity at low speed and small throttle inputs
Increased response time in all cases
Less delay before upshifting when going from large throttle input (ie passing) to cruising
Lowered sensitivity at low speed and small throttle inputs
Increased response time in all cases
Less delay before upshifting when going from large throttle input (ie passing) to cruising
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628 Posts
How bout we "upgrade" the drive by "wire" system to a drive by "cable" system?
Maybe someone could connect a cable to the accelerator pedal, then our big toe = immediate throttle response in direct proportion to the big toe input, with no electronic hysteresis, or unintended acceperation. What a concept.
Maybe someone could connect a cable to the accelerator pedal, then our big toe = immediate throttle response in direct proportion to the big toe input, with no electronic hysteresis, or unintended acceperation. What a concept.
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