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International Automotive Technicians Network
2001 Toyota 4Runner SR5 3.4L Pinging/detonation
Posted to Asian Driveability on 5/14/2012 11 Replies

Hello Toyota Techs! We have a 01 4runner with a 3.4, Its supercharged off the lot. Customer complains of Pinging or Detonation on moderate and heavy Accel. even when he uses Octane booster. The first thing I think of is EGR function,(or possible clogged ports)...

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  Related Documents & Media  2001 Toyota 4Runner SR5

 
Message Closed w/FIX

car Vehicle Data

2001 Toyota 4Runner SR5

VIN JT3HN86R21
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPinging/Detonation
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

2001 Toyota 4Runner SR5

VIN JT3HN86R21
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPinging/Detonation
OccursUnder Load