Q: I

asked by on November 02, 2017

MY CAR IS STALLING AND MAKING A RATTLING NOISE AS IF A ROLLER COASTER IS GOING UP .... THE CHECK ENGINE LIGHT IS FLASHING ESPECIALLY WHEN I ACCELERATE SPEEDS PAST 50 MPH OR IF I'M GOING UP A HILL OR REVERSING. CODES ARE READING PS0420 AND PS0430. I RECENTLY GOT A NEW ECM BECAUSE MY CAR WOULDNT SHUT ON AT ALL. $1800 FOR A WHOLE NEW COMPUTER SYSTEM AND NOW THESE CODES. . WILL IF CATCH FIRE? SHUT OFF ON ME? WHAT IS THE POSSIBLE PROBLEM AND HOW MUCH COULD IT RUN ME ESTIMATE VALUE? THANK YOU CEAIRIA

My car has 97000 miles.
My car has an automatic transmission.

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