S4 is bucking and stalling. Check engine light and EPC light flash on and off. Whats wrong? HELP!!
#1
S4 is bucking and stalling. Check engine light and EPC light flash on and off. Whats wrong? HELP!!
It does not appear to be the TBB. Have not checked to F-hose but it seems more complex. No loss of power when running right. All of a sudden the car starts bucking and then dies. Restarts are difficult but then it eventually starts, only to stall once again. Any one know what might be the problem? I thought it might be low on gas, but it still does it on a full tank. Please help!!!!!
#4
In my case similar symptoms were preceeded by a TB failure...
check your DTC's for:
17943 P1545 Throttle Position Control Malfunction - Intermittent
17976 P1568 Idle Speed Control Throttle Position Mechanical Malfunction
My throttle body was replaced, car has not done this since.
/dan
17943 P1545 Throttle Position Control Malfunction - Intermittent
17976 P1568 Idle Speed Control Throttle Position Mechanical Malfunction
My throttle body was replaced, car has not done this since.
/dan
#5
Re: I had the samething happen to me, but my car didn't stall
My car felt like it was about to stall when I press on the gas hard and goes back to normal if I easy off it. My deal found a intercooler hose has poped off and the car was running rich. Before it happened my boost gauge showed 20psi. I say take the chip out and have the dealer check it out! And good luck!
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