...pulled the maf wire before starting....then started it but it rough idle off ( car shut off

I leaning towards a b screwed up maf?

....and not sure what the ( not exceeded 22 mph?) code

Well...after fixing the bad terminals and all blinking light aren’t blinking anymore.....but still have a miss and car won’t go over 9 mph...and here’s the codes that came back after clearing them all A2 port- 121 and 153 , B2 port-122 , And A3 142 ( wheel sensor, no biggie )

..and the car shuts off after I pull the maf harness off

....found the problem with the grounded to earth codes.....water and bugs got to the connections on the blower fan.......took dash out and cleaned terminals, now the ecc lights are back to normal...I will put engine back together to start the car and see if that fixed anything else?......still havin...

Changed the old hoses....and cleared the codes ...check engine light didn’t come back on yet, but still not running right....it fires up nice , as soon as I touch the gas it hesitated and comes around to full throttle....only that stopped was the economy/sport/winter button stopped flashing, but sti...

..hello guys/gals.....I have a 1995 Volvo 850 turbo! And I just bought it with 150 , 000 miles on it, ran fine for a 5 days ......and all the sudden , the car idles normal but as son as you try to drive it seems to go into limp mode( not sure if car is equipped with it or not).....but there multiple...