Engine shudder during acceleration
#1
Engine shudder during acceleration
Greetings,
I am new to this forum. I have a 2006 S60. When I slowly accelerate to 40 mph, the engine shudders for a second, then smooths out. I filled up my gas tank with a higher octane fuel, still shudders. What else would cause this. Plugs? Transmission?
I am new to this forum. I have a 2006 S60. When I slowly accelerate to 40 mph, the engine shudders for a second, then smooths out. I filled up my gas tank with a higher octane fuel, still shudders. What else would cause this. Plugs? Transmission?
#3
Warning messages
Thanks for the reply. I got a couple of messages. One said "Low coolant level...Safely Stop", which I did and added coolant. 30 minutes later, another message says "Transmission Service required". I'm going to mechanic to see about a tune up and transmission flush. I have 45000 miles. Hopefully that's all it needs.
#5
Cracked Radiator
Due to factory defect, radiator cracked and coolant was leaking into transmission, which explained low coolant level and red tint. When tranny was drained, it looked like red milk. Replaced radiator, flushed tranny, and replaced thermostat. Car runs well .....except! The shudder continues as I accelerate to 40 mph. I'm going back to mech and see what he thinks it might be. Funny he didn't mention it when he test drove after completing maintainence.
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#13
The front of the car reverberates. It only happens when I am accelerating at slower speeds to reach 40 mph. [example: Driving behind someone who is keeping a slow pace.When I reach 35 to 40 mph, the front end Shudders. If my foot is not on the pedal, everything is fine. If I am on the open highway or on a country road and I put a little more pressure to the gas pedal, everything is fine. Seems like it is coming from Transmission.
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