RWDSTI Posted December 10, 2023 Share Posted December 10, 2023 Hey everyone I have a 1988 Jeep Comanche with a rough idle after I drive it for a bit. cold starts and driving it does fine but when I drive it to work by the time I get there the oil light is flashing and it sounds like its missing. I replaced the idle air control valve already and the previous owner did a head gasket. If anyone has an idea as to what could be the culprit that would be awesome. Link to comment Share on other sites More sharing options...
cruiser54 Posted December 10, 2023 Share Posted December 10, 2023 4 cylinder? 6 cylinder? You're gonna need to do some things to eliminate possibilities. You will not somehow find a "silver bullet" cure based on the info provided. Link to comment Share on other sites More sharing options...
Ωhm Posted December 10, 2023 Share Posted December 10, 2023 2 minutes ago, cruiser54 said: 4 cylinder? 6 cylinder? You're gonna need to do some things to eliminate possibilities. You will not somehow find a "silver bullet" cure based on the info provided. 6 cylinder Link to comment Share on other sites More sharing options...
RWDSTI Posted December 10, 2023 Author Share Posted December 10, 2023 yes 6 cylinder Link to comment Share on other sites More sharing options...
cruiser54 Posted December 10, 2023 Share Posted December 10, 2023 Ever replaced plugs, wires, cap and rotor? Ever tightened the intake manifold bolts? Closely inspected the vacuum line from the throttle body to MAP sensor on the firewall? Been to www.cruiser54.com and completed tips 1 through 5? Link to comment Share on other sites More sharing options...
RWDSTI Posted December 10, 2023 Author Share Posted December 10, 2023 5 minutes ago, cruiser54 said: Ever replaced plugs, wires, cap and rotor? Ever tightened the intake manifold bolts? Closely inspected the vacuum line from the throttle body to MAP sensor on the firewall? Been to www.cruiser54.com and completed tips 1 through 5? I have checked the vacuum lines and all seem good I'll go though everything else and get back with you thanks! Link to comment Share on other sites More sharing options...
cruiser54 Posted December 10, 2023 Share Posted December 10, 2023 good plan. Link to comment Share on other sites More sharing options...
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