Computer problems

Computer: Engine Control Unit. It regulates all the aspects related to the engine's proper functioning.
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Depleted battery

Volkswagen Beetle 2002  200000 miles
My car's charge is depleted from one day to the other. I've already bought a new battery, replaced the alternator, starter, fuses and even confort module as indicated, but the solution is still to be found. I would like to know if it is necessary to change the computer, as I have just been told that the alarm remains activated and that its failure is in the computer. I would not like to buy a new one until I am completely sure that is the cause of the problem. What do you think about it? Thanks.
Ford from United States 9 years ago  
FO
3 reports 
Merv from United States 9 years ago
Something similar occurred to me. Try checking the crankshaft sensor.
arminta from United States 8 years ago
I have the same failure buddy. Try disconnecting the TPS.
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Fluctuating resting engine

Volkswagen Beetle 2000 2.0l 83000 miles
Revs fluctuate between 8-12 revs intermittently also can affects low gear when pulling off Doesn't stall at all no faults detected on computer.
Trinah from United Kingdom 8 years ago  
TR
6 reports 
Jenn from Canada 7 years ago
I have a 2003 beetle turbo. I was driving along everything going great. I come to a stop sign stop look and go. But when I went to go my engine light started flashing and my car barley made it. Any ideas
Chuckawitz from United States 7 years ago
Sounds like throttle position sensor
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Intermittent electrical (internal lights, locks, windows

Volkswagen Beetle 2012  120000 miles
When I bought the car (60,000 miles used, 6 years old) the check engine light would go on and off but the code reader returned nothing with any clues for an actual issue…really vague…also the interior light would go on and off when turned off completely randomly. The door locks also stopped working intermittently…sometimes would finally lock after some tries on the button when the auto lock tried to lock but couldn’t upon moving from drive…THEN the drivers side window went down when asked then mostly back up THEN finished closing on its own like it goes up and down a tiny bit when opening and… Read complete
dweezilpuff from United States 3 years ago  
DW
4 reports 

Died while driving won’t start

Volkswagen Beetle 2001  140000 miles
Just died won’t start. Replaced fuel pump still won’t start... obd2 code P0135 which I had before died. (Comes on and off).

Will a code show up for “crankshaft center sensor” or “camshaft sensor” on my code reader while just cranking engine over? How about bad computer?
I’m a backyard broken mechanic. Thanks
Mark from United States 4 years ago  
MA
1 report 
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