won't stay started on 1998 Ford Escort

ok this is a follow up of my ? that car starts but won't stay started well found out the MAF sensor was bad so got one put in and work on test run n my wife drive 2 work but on her way home started 2 do same as b4 n check 4 code got P0102 MAF circuit low imput n code P0731 but no description on that code so now do I take it back out n have them replace it or could it b something else

by in Lake Alfred, FL on November 15, 2010
1 answer 1 comment
ANSWER by on November 15, 2010
The P0731 = First gear incorrect ratio. Possible transmission problem. Is the car stalls when you put it in gear, or even in Park? Zee
COMMENT by on November 15, 2010
it starts but idles rough n backfires or dies but i was wondering i did drive it but it would never get up 2 speed as it only made it to 20 mph n power go up n down so i pull over had 2 b towed home thinking I'll take maf sensor back n have them replace as it is under warranty just seems strange it ran good n test drive n my wife driving 2 work
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