My car loses power (when i am on the gas pedal, it starts pulsing/jerking around), and sometimes, not all the time (i believe it would everytime if i kept driving), the epc light comes on, then it loses most of its power (some sort of system that saves the car ultimately). If i turn the car off and sit for a while, it goes away (again depending on how long a drive it for).This happened to be a couple of months ago, and i brought it to Garvey(VW dealer). It tripped a couple of codes...they didn't know what was wrong,so they reset them. Ended up bringing it back next day, they called aorund and no one knew. They cleaned the grounds and that worked...up until a couple weeks ago, it started off slow and began happening everytime i drove the car. I brought it back, it tripped the same codes, plus 2 more! This time it tripped a throttle body code. They still didn't know what to do (didn't feel safe using my money to guess on what to fix...even tho i got slammed twice already to find out that they didn't know what to do). We picked the car up, and they told us, after sitting in the parking lot all day, it runs crapy and the EPC light is on right from the start. PLUS, now my check engine light is on (it was NOT on when it went there) Does anyone have any suggestions? We were thinking about puting a whole new throttle body system in the car, but it is $600, so if there is a cheaper solution, i would love that =] Thank You
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Hello, I am thinking that the dealership is probably making recommendations, but cannot really guarantee that the item you fixed first will fix the vehicle. This is because many diagnostic flow charts direct a technician to replace a certain part and then "recheck" for proper operation. In this case, it leaves a real possibility that a known compromised part may be hiding another issue. I know this is tough to stomach as the vehicle owner! But in reality, if you can't 100% confirm a failure without a doubt, you are always following process and procedure of a shop manual with instruction to fix the vehicle. I can understand the lack of confidence, but your concern does indeed sound like a possible electronic throttle body issue. It's expensive, and the especially where I'm sitting I certainly cannot confirm such a repair will fix you car. The only thing you can really do is get a second independent opinion from another nearby repair shop and see if the diagnosis recommendation is consistent. Good luck!
