Recent content by Zac ravioli

Ive tested and adjusted the tps, cleaned the throttle body, replaced the iac valve, egr valve, crank sensor, o2 sensor, spark plugs, ignition coil, spark plug wires, most of the vacuum lines, and the fuel injectors. most of the things I've listened aren't directly trying to solve the issue but...

My stock 1989 Jeep Cherokee 4.0 with a 4speed automatic has been doing a rapid jerking/nudging while its maintaining speed only happens above 55mph and I have been trying to figure it out since I got it about a year ago. Rpm and gear doesn't affect it as long as im going above 55 the engine also...