Hey iATAN guys i need your help. A friend's car i am trying to help it fix, it has serious intermitten cut off and hard starting, it cut off at random, anywhere, anytime, at any speed. previous repairs; # 4 ignition coil. all spark plugs. air/gas filter. crankshaft position sensor. codes:p0320,po420 mileage; over 100000 miles. My search on the net uncover people with the same experince, but not how it was fix,Anybody with similar experience or insight will be would be greatly appreciated.

Andrews Sawiri
Technician
Best Auto Repairs
New York, New York, USA