I have had to problem of an EPC light coming on in my Jetta. I have ran codes fixed the brake sensor, gas pedal, and gas sensor in the engine. I am out of guesses what it could be. I can usually go about 100 miles untill it shifts hard and EPC light is on. i can normally drive the car a short distance before it dies. when i turn it off the car will not start until it sits for awhile then the EPC light goes off. Sometimes it will just die while i am driving the Battery, Engine and EPC light all come on.
When was the last time you changed your Air filter( A dirty filter can put MAF sensor out of range). How about the fuel filter (Fuel starvation). These filters should be changed every 30,000 miles . It is normal for all of the dash lights to come on if the engine stops running. Is the Jetta a Diesel or Gas. Perform The OBDII scan again to see if current faults are present. Do the cheapest fixes first. Also check oil often. The low oil sensor will trigger engine shut down if more than 1 quart low
SOURCE: Car dies and battery light comes on.
Will it crank over when it won't start? When It dies check for spark at the sparkplugs if none change the ignition module.
http://www.aceautomotive1.com FaQ and BLOG
SOURCE: 91 Saturn stalls while driving
check this out it may help you diagnose the issue.
http://www.troublecodes.net/GM/
http://www.youtube.com/watch?v=XQ9vtD_ssjg
http://www.saturnfans.com/forums/index.php
good luck
SOURCE: 2003 Ford Taurus, 90K, used car, engines shakes, ABS goes on
Are you getting any codes from the Check Engine Light? This sounds like it could have something to do with a sensor. Check your air filter and make sure it's clean. The tach on my 1999 doesn't really work, but it hasn't coincided with other driveability problems. The engine doesn't change in it's RPM's, the tachometer just stops working. Have your charging system checked. The shaking might be coming from bad fuel pump operation, clogged fuel filter, or dirty fuel injectors. Try putting an additive into your gastank to clean the injectors (a bottle of Seafoam is great for this). Try calling your local Autozone and see if they do free trouble code scanning. This might help lead you in a better direction.
SOURCE: Car dies after driving about a half mile, usually
Possibly fuel pressure regulator, have you done a pressure test on it? may also be partially plugged injector.
SOURCE: ck engine light on - no code
Check engine light with no codes usually means a PCM reset is happening. EBP shorting, ICP shorting, aftermarket "performance chip". PIDS need to be monitored to eliminate sensors. IDMs (Injector Driver Modules) can also cause this. IDM's are separate from the PCM/ECM (engine computer).
Testimonial: "THANKS! no custom chip- burned valve pasthru conect so will start over from there- now have code-P1280-P1293 Thanks Again- Eric"
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The first time it ever did it, my cruise control wouldnt set prior to the light coming on, but that was the only time it did that. All the codes i ever get back start with P's.
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