When does a blown engine become a problem?
When does a blown engine become a problem? The biggest problems arose between 107,000-153,000 miles. Instead of an A4, CR said a Lexus ES or an Acura TLX were far more reliable alternatives. Up next, the 2008 Ford F-350 fell on CR's blown engine list. The hulking 6.4-liter turbodiesel engine often showed problems around the 65,000-119,000 mile mark. What makes a Chevy engine have a problem? With a combination of the PCV valve the AFM and the valve cover design, you have the makings for a disaster. For vehicles with this issue, the problem can be traced the AFM pressure...