1994 Cadillac Fleetwood Brougham
chevy LT1 350 fuel injected, with 4l60e trans, ok this fina be really confusing in im sorry, i replace everything still problem so when im done explaing problem and question maybe someone can HELP!!!, when cranking cadillac up the putting it in gear it takes off like a jet, BUT when coming to a red light or stop sign car does not down shift to 1st gear, 4th-2nd, and back up perfect, even 1st and up perfect TIL I STOP. now i took it to a shop in he read my check engine light it told his gadget MAF sensor, and 1ST/2ND SOLENOID.(replaced it), light still on. LONG STORY SHORT, in my car i can go in diagnose mode through climate control in it puts out same code after i replace solenoid. BUT if i drive car in that mode in override code, not just light pops off dash, but trans is perfect down shift to 1st back up. what can i start to look in to fix this strange problem?