My truck is a 1500 SLT. The truck revs up from 1000 rpm to maybe 1200 when I am braking but only if I am braking from sixty mph and higher and drops below 1000 rpm to normal idle. Sometimes the engine starts to surge at idle and in park the rpm will surge up and down, but in drive I can tell the engine surging but the rpm do not fluctuate. I can stop the engine surging by pumping the brakes. No engine codes and I have checked the brake booster and it seems to be operating normally and holds vacuum. Check valve and line coming from the intake manifold looks to be good also. This is driving me crazy. It is not a huge issue, but I do not want it to become a bigger issue long term.
have the same problem?
Sunday, January 22nd, 2017 AT 9:58 AM