Engine Mechanical problem
1993 Lexus LS 400 V8 Two Wheel Drive Automatic 238342 miles
I changed my spark plugs in order to get rid of what I thought was a burnt plug. Before I changed the plugs, at idle in park and drive the engine would putt at about an every 10 to 20 second interval. After changing the plugs and oil, it went away for about two days. Now it's back! Also I noticed that one of the rubber hoses that connects to the canister under the power steering pump collapses when the car is running. What do you think my problem is?