Runs bad when warm

[toolfan]

MY sons 89 SHO runs fine till it warms up then it cuts out.I checked the codes and got 14,19 and 59.I'm an old hot rodder new to all the electronics.We replaced the mafm, no change.Also the fuel punp is loud. Please help. thanks

 

[jedhead]

Your crankshaft positions sensor is failing. Good info here.

http://www.shotimes.com/php-bin/modules.php?op=modload&name=News&file=index&catid=&topic=9

Bob

 

[toolfan]

thanks

thanks run much better