bjpembo
NAXJA Forum User
- Location
- Fort Smith, AR
browneee said:I got a 94 sport... it flashed "55" which indicates end of check "normal"... However when under load It pings ?
use a higher octane gas or octane booster when your towing. it's just a "labor knock" and many new trucks will do it right off the lot if you tow with 87 oct fuel, most owners manuals tell you its normal.