PO335B code ? ..... revved the car pretty hard and , then had no tach....no power...it would boost but no power ....alot of back firing...then shut it off...waited a few mins or so...started it up again...ran fine ever since.... and if its the crank sensor...is a relearn totally nessesary? some say yes ...some say no ? thanks in advance,


Ray

 

the answer is yes.

 

how exactly is this performed? what needs to be done

 

Its a simple procedure but you need access to a Tech II or HP Tuners.

With HP Tuners all you have to do is click "Perform CASE relearn" and it guides you through the process.