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2000 Chevrolet Silverado 1500 5.3L Poor Fuel Economy
Posted to GM Driveability on 2/8/2001

Customer complaint of a drop of 3mpg (did not provide current mpg). Since no codes were stored, we pulled a spark plug on each bank. What came out was a DENSO, p/n [...] & [...], platnum tipped plugs. We suggested installing AC Delco plugs (p/n [...] & 41-952)...

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car Vehicle Data

2000 Chevrolet Silverado 1500

VIN 2GCEC19T5Y
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
Misc.Extra-Cab
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Silverado 1500

VIN 2GCEC19T5Y
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
Misc.Extra-Cab