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Q: MY VEHICLE ENGINE IS UNESTABLE IT ACCELERATE AND DECELERATE ALONE. on 2001 Volvo V70 XC

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
WHEN DRIVING THE VEHICLE IT ACCELERATES A LITLE AND DECELERATE MAKING IT A LITTLE UNESTABLE TO DRIVE AND THE DASH LIGHTS LIKE WHILE IT HAPENDS THEY GOES BRIGTHER WHEN ACCELERATE AND DARKER WHEN DECELERATE BUT IT DOES NOT SHOWS ANY CODES, WHAT CAN IT BE? IT LOOKS LIKE A SENSOR(OXIGEN , MAF) PLEASE HELP!!!!
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First thing to do is have the diagnostic codes checked. Once you get the codes we can help but without them it's a guessing game.
Thanks, I will put the computer to check codes and I will get back to you with them asap today..
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