PLease HELP!! Engine vibration at low speed
03-15-2009, 12:48 PM
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2004 clk 500
PLease HELP!! Engine vibration at low speed
Hello Everyone,
I have been having a misfire problem with my car, it's a 04 CLk500 with 75k miles. I recently replaced the CAT at the dealer. The car ran a little better after, but when I drive the car while the engine is cold at low speeds, I feel the engine vibrating while it goes up in speed. So I figured maybe it might be old spark plugs. After I changed it, the car still ride the same. DO I have to change the COILs? How can I find out which coil is bad? Thanks a lot for yoru time
I have been having a misfire problem with my car, it's a 04 CLk500 with 75k miles. I recently replaced the CAT at the dealer. The car ran a little better after, but when I drive the car while the engine is cold at low speeds, I feel the engine vibrating while it goes up in speed. So I figured maybe it might be old spark plugs. After I changed it, the car still ride the same. DO I have to change the COILs? How can I find out which coil is bad? Thanks a lot for yoru time
