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#1
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hacking limp mode
anyway to hack newer cars.that what keeps me from buying one.Check engine was good enough,but having bread to see a stealership would suck
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
#2
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Not sure, best to just stay away from them.
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1990 190E 3.0L |
#3
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Define hack.
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#4
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lying to computer,with a resistor,or cutting circut
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
#5
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Short answer: no
Limp home is a failsafe, and it kicks in under a wide variety of circumstances. It is there to protect the engine and drivetrain from full failure...you would want to fix the root problem, not try and hack around it while ignoring the actual issue. Long answer: yes, if you are a software or electrical engineer who has more time than sense, I'm sure you could fab up a sensor spoof or something to tricking an entire canbus system that there is no problem.
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TC Current stable: - 2004 Mazda RALLYWANKEL - 2007 Saturn sky redline - 2004 Explorer...under surgery. Past: 135i, GTI, 300E, 300SD, 300SD, Stealth |
#6
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check engine light was good,but greed made them use limp mode to make money.I think thats evil of companies.They make enuff profitt with robotics,and cheap overseas labor
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
#7
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Anyone who could do this would already be smart enough to fix the problem
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#8
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Quote:
Other systems use similar protective logic. Traction control, cabriolet roof systems, and pneumatic locking are just a few examples of systems that will block function under certain circumstances. Some of us old-timers find it hard to accept but it really is to our advantage that these systems exist. |
#9
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Quote:
so buy a 48 willys. limp home is there for many reasons, ie you don't have to walk when it quits. |
#10
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I think the issues with modern vehicles are overrated in severity....overall new cars are just as reliable if not more so. Diagnostics is much easier with a laptop than with poking around the car throwing parts at things.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#11
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Warranty and lawyers.
I keed You can bypass anything. But whatever it was trying to protect will die in short order. |
#12
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Quote:
Quote:
In fact, the budget might be cut next year because apparently they no longer need to beat you down as you have convinced yourself that the world is out to get you. ( and that it is flat / we didn't land on the moon. ) As others have stated, limp exists to prevent further damage. It also exists in an effort to keep the car moving so it can be safely moved off the road. Would you rather have a car that just shuts off when there is a problem like an older car or one that makes every attempt to keep going? There are GM engines that shut off cylinders when the car is overheating in attempt to keep the car moving. This works because air is pumped through the cylinder when it isn't firing cooling it, then another cylinder is shut off and the cooled out turned back on. Do you really want to disable this feature? You do realize that fuel trims are a sort of limp that continues to adjust fuel mixtures as components age, this is something that a carb car won't do. Well unless you consider a sinking float making the mixture super rich a fuel trim. Modern cars are far more reliable than in years past. Yes, there are more things that can go wrong but for the most part they keep going. In the 1950's 60,000 miles was considered end of useful life, now a car with 200,000 is still considered to have useful life left. |
#13
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So they send . . . . Lawyers, Guns and Money. . . ? |
#14
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I guess the older one gets,he begins to see man's parasitic ways,he feeds of others of his kind.
I would rather be a hunter gatherier 25,000 years ago.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
#15
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There, I fixed it for you.
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!) |
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