× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1999 Chevrolet Express 2500 4.3L Hesitation, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 5/31/2006 7 Replies

van towed in for rough running and lack of power, mil lt on, scanned found po339, changed crank sensor after inspecting wiring and no change. vehicle has also developed a po300 misfire code somewhere along the way. low on power on hard acceleration and pinging...

7 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 2500

VIN 1GCFG25WZX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Stall, Misfire, MIL Lamp On
OccursHot, Under Load, on Accel

Trouble Codes

P0300Multiple Misfire Detected
P0339CKP Sensor ‘A’ Circuit Intermittent Signal
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 2500

VIN 1GCFG25WZX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Stall, Misfire, MIL Lamp On
OccursHot, Under Load, on Accel

Trouble Codes

P0300Multiple Misfire Detected
P0339CKP Sensor ‘A’ Circuit Intermittent Signal