the engine knocks

Asked by May 17, 2015 at 04:43 PM about the 2001 Ford Ranger 4 Dr Edge 4WD Extended Cab SB

Question type: Maintenance & Repair

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2 Answers

65

Knocking could be caused by a number of problems One possibility is uneven or early combustion. It could also happen if you put the wrong octane level of gas in the car. There are also a number of mechanical problems that could cause this problem.

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Does it have a metalic sound? How long has it been going on? It could be a rod or main bearing, piston slap and more.

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