2003 Chevy Astro pinging

2003 CHEVROLET ASTRO
102,600 MILES • 6 CYL • 2WD • AUTOMATIC
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JAKE WADE
  • MEMBER
  • 1 POST
I just purchased the vehicle and the engine pings alot when accelerating...I've been using premium gas but doesn't help...engine appears to perform adequately, seems to warm up quickly but doesn't get hot...is it most likely the EGR valve? or should I have a complete tune up? OR what?
Jul 4, 2010 at 2:04 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
An engine with the wrong octane fuel or its overheating, a malfunctioned knock sensor and EGR valve not opening will cause the egnine to detonate/ping
Jul 4, 2010 at 7:05 PM
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