Engine Size: 1.5L
Issue / Question:
My engine has a rough idle state (engine vibrating) all the time. Its idle state seems good between 700 to 750 rpms. It has new spark plugs, wires, rotor and cap. If the A/C is on, it gets worse. I checked the timing and it’s at 10 degrees btdc. Thanks, love the show.
It sounds like the motor mounts are compressed and flattened out and no longer able to absorb the harmonics. By lightly jacking up the engine and taking pressure off the mounts while the engine is running and transmission is in gear, you will be able to tell if a new set of mounts will take care of the problem.
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