Close
Q:

cly misfireing on 2001 Buick LeSabre

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I PULLED A CODE OF THE COMPUTER PO300 RANDOM/MULTIPLE CYL MISFIRE DETECTED. CAR HAS 120K. SERVICE ENGINE LIGHT ON.
(3) Answers
Get it fixed asap, could be leaking coolant in to engine through leaking upper intake manifold. Check your coolant level in overflow bottle and radiator (when cold) to verify. If it is a leaking intake could cause engine to hydrolock and more severe damage will result.