Q: I have a 1992 Chevrolet Corsica with a 3.1-liter, fuel-injected V-6 with 78,000 miles. When I apply the brakes and come to a stop at a stop sign, the engine surges and wants to move forward. It ...

Question: I have a 1999 Chevrolet Silverado S10 and, lately, the engine has been surging while at an idle. I was told this could be a “dirty ETV valve.” Does that sound right? What else might be the ...