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post #1 of 26 (permalink) Old 01-11-2005, 01:57 AM Thread Starter
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Talking Did anyone know this!

My check engine light came on a few weeks ago after a few runs down the dragstrip. It smelled like an oxygen sensor so thats what I figured it was. I went to have the rouble codes pulled and it turns out my cats are bad. No big deal right? Well here's what took me by suprise. The other code the car stored was one indicating my speed limiter had been reached! First of all, why does Ford have it set so low? And second, whats with the car telling on me? Eventually I'll get the speed limiter taken care of but I have other issues that need to be addressed before St. Louis in May. Just wondered if anyone knew that and figured someone might want to.
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post #2 of 26 (permalink) Old 01-11-2005, 03:08 AM
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in the future most likely all cars will be telling onppl. They want to install a "black box" like thing in y our car that record everything. Throttle position, speed, braking, cornering etc. They say its to "help"solve accidents
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post #3 of 26 (permalink) Old 01-11-2005, 06:50 AM
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never heard of it in an mn12...but it does keep people honest.

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post #4 of 26 (permalink) Old 01-11-2005, 07:15 AM
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The speed limiter is let there because of:
Average stock tires
Crappy driveshaft
Crappy brakes
Maybe torque converter

It's there for your safety...on a stock car.

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post #5 of 26 (permalink) Old 01-11-2005, 07:45 AM
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Quote:
Originally Posted by Grasshopper
The speed limiter is let there because of:
Average stock tires
Crappy driveshaft
Crappy brakes
Maybe torque converter

It's there for your safety...on a stock car.
The issue isn't the speed limiter. Its the fact that it is recorded when you reach the speed limiter.
Big Brother is watching.
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post #6 of 26 (permalink) Old 01-11-2005, 10:13 AM
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Yep, had that happen on the dyno last year.

As you can imagine I felt a little nervous taking my car in the lot and seeing a MIL right after a WOT blast and some tuning.

Some supercharged cars blow.......Others just pick up and move.
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post #7 of 26 (permalink) Old 01-11-2005, 07:11 PM
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Speed limiters are incorporated in todays computer controlled vehicles for two major reasons, both of which are for safety. Safety in that speed kills, and safety because of centrifical harmonics. Suspension and drive train components including tires, are designed around specific perameters. The drive train, including the drive shaft, can only take so many rpm's before it wants to fly apart from vibration and centrical force. Without going into geometrics ( which I can't ) it means an explosion. Since we have lead in our feet, car makers have put in a fail safe. It sucks to us, but safety is first. Would you crawl under your car to install headers without ramps or jack stands? Putting a code in the ECM is just a measurement, not a Rat Fink. Enjoy the ride!! We can improve the performance, as well as the safety designed into our vehicles.
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post #8 of 26 (permalink) Old 01-11-2005, 08:59 PM
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Off the topic maybe, but If there are speed limits why do they make cars go faster? Do they actually think a 400hp cobra or a 500hp viper is gonna go 55mph on a highway? (with common sense the answer would be no) And a top speed controlled at 100+? The question is WHY if we have SPEED limits?

Drag racing on a track is diff, Im talking street. And yes I understand most states have diff speedlimits but thats not what I am getting into
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post #9 of 26 (permalink) Old 01-11-2005, 11:41 PM
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I almost always drive the speed limit. Therefore, I have to derive driving satisfaction in two ways:

1. By reaching the speed limit in as short a time as possible.

2. By maintaining as much of that speed around corners as possible.

Unfortunately, our country is just too big to have an Autobahn-type highway system. There is far too much road to be maintained to the required level. The actual Autobahn is very well maintained, is smooth, level, and clean. If you tried driving at 130 or so MPH on most American roads, you wouldn't have much control at all, and chances are your ride wouldn't end well.

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post #10 of 26 (permalink) Old 01-11-2005, 11:46 PM
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alot of roads out here I could take 130 no prob.... there are countries where u can go 130 on the highway?
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post #11 of 26 (permalink) Old 01-12-2005, 12:12 AM
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Okay if they have speed limiters how did my speedo pass 120 mph. I was stuck on ice and got pissed and stood on it and it went past 120mph and the needle touched the bottom of the dash, however the car only moved an inch.

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post #12 of 26 (permalink) Old 01-12-2005, 08:44 AM
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I've had my car pegged to the limiter, and no MIL.. ??? I guess my car doesn't want to tell on me =)

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post #13 of 26 (permalink) Old 01-12-2005, 08:53 AM
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Quote:
Originally Posted by SloMo228

Unfortunately, our country is just too big to have an Autobahn-type highway system. There is far too much road to be maintained to the required level. The actual Autobahn is very well maintained, is smooth, level, and clean. If you tried driving at 130 or so MPH on most American roads, you wouldn't have much control at all, and chances are your ride wouldn't end well.
the road is not the problem, it's the people on it. in europe it's very hard to get a license, let alone have the cash to afford it. so they can have highways where you can go 130+ because they have much better drivers on them.

the code for "reaching top speed" will not set off a light, only emisions related stuff will, and it will only be read if you look for it or you have another code that's set off the idiot light.

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post #14 of 26 (permalink) Old 01-12-2005, 09:05 AM
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Quote:
Originally Posted by lightining rod
Okay if they have speed limiters how did my speedo pass 120 mph. I was stuck on ice and got pissed and stood on it and it went past 120mph and the needle touched the bottom of the dash, however the car only moved an inch.

There's a smart thing to do

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post #15 of 26 (permalink) Old 01-12-2005, 10:07 AM
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post #16 of 26 (permalink) Old 03-09-2005, 11:18 AM
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The "black boxes" are already in cars today. I know for sure almost every GM, the airbag module continuously records thingls like brake application, throttle position, steering wheel direction/angle, speed, etc. Upon airbag deployment, the module saves into permanent memory the last 5 seconds of information. This is retreived either thru the OBD II port, or via a special cable that goes directly to the airbag module. Ford also does this, though the recorded information is only like 1 second long. Most (all?) Ford vehicles (not ours) that have SCP and/or ISO information buses installed have this. I know for sure that 99+ Mustangs do. If you're not sure check your Owner's Mnaual, if your vehicle has this it will say so, with an excuse that the info is used by the engineers to analyze accident data. Well, it probably is, but that's not all it's used for. That could also be beneficial however, say you got into an accident and it wasn't your fault. The info in your airbag module's memory could prove you were not at fault.
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post #17 of 26 (permalink) Old 03-09-2005, 07:07 PM
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My car snitched on me about speed limiter, and rev limiter.

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post #18 of 26 (permalink) Old 03-09-2005, 07:15 PM
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Pardon me, but what does MIL stand for?

And are you saying that reaching the limiters will make the EEC throw codes?

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post #19 of 26 (permalink) Old 03-09-2005, 07:19 PM
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post #20 of 26 (permalink) Old 03-09-2005, 07:43 PM
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my step brothers 97 light comes on when u hit the speed limiter but my 96 doesnt

hahaha,

but yea, when they came out with odb2 (standard of diagnostic for onboard computers) that when a code is thrown it records what the car is doing at that point to help diagnose the problem,

so the snap on guy that comes to my work said that when he used to work for cadillac and the first car came in with a cel on, they looked and it said that the customer was going like 130 mph with the throttle at wot. so obviously they know how u drive and what caused the light to come on. but like i said, when that cel comes on it reccords exactly what the car is doing or what the driver input is, such as o2 readings, rpm, speed, throttle position etc..
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post #21 of 26 (permalink) Old 03-09-2005, 10:26 PM
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well im sure these black boxes will make the cops happy in the future. They will prob pass some kinda law like emissions where you have to get it checked and if it records you speeding u get a ticket.. I dunno if I ever find one ill rip it out

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post #22 of 26 (permalink) Old 03-09-2005, 10:28 PM
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My car told my wife there had been another women in my car having sex.............lol......of course I said the sensor must be bad


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post #23 of 26 (permalink) Old 03-09-2005, 10:31 PM
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Quote:
Originally Posted by SHADOW
My car told my wife there had been another women in my car having sex.............lol......of course I said the sensor must be bad
D**N!! I hate when they do that!! Thats why I removed the "sex sensor" from the interior! I replaced it with a "Your boyfriend is not looking at those girls" sensor. And that is all it ever tells my girlfriend.


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post #24 of 26 (permalink) Old 03-09-2005, 11:17 PM
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Quote:
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I replaced it with a "Your boyfriend is not looking at those girls" sensor. And that is all it ever tells my girlfriend.
What's the P/N on that, and can i get it from Dan (it may come in handy someday )

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post #25 of 26 (permalink) Old 03-09-2005, 11:24 PM
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lol Very rare, and hard to find early part. Sold as an "accessory" through Ford Parts departments. I don't think they sell the early chip anymore. Its been upgraded to a "Why would I want anyone but you honey" chip that is more useful in Mini-vans and SUV's.


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post #26 of 26 (permalink) Old 03-10-2005, 12:51 AM
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Quote:
Originally Posted by Traveler
lol Very rare, and hard to find early part. Sold as an "accessory" through Ford Parts departments. I don't think they sell the early chip anymore. Its been upgraded to a "Why would I want anyone but you honey" chip that is more useful in Mini-vans and SUV's.
ROFL i needed to read something funny

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